Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
abactinal | remote from the actinal area (of a radiate animal). |
abactinally | (Adv.) ABACTINAL, pertaining to the surface or end opposite to the mouth in a radiate animal. |
acoelomate | an animal that lacks a coelom, for example platyhelminths (flatworms). |
actinal | pertaining to the part of a radiate animal which contains the mouth. |
actinally | (Adv.) ACTINAL, pertaining to the part of a radiate animal which contains the mouth. |
actiniform | having a radiate form, like a starfish. |
ambulacral | of or pertaining to ambulacra; avenuelike; as, the ambulacral ossicles, plates, spines, and suckers of echinoderms. |
ambulacrum | a radial band in the shell of an echinoderm, bearing rows of pores through which the tube-feet protrude. |
amphistomous | having a sucker at either end, as some worms. |
angiostomatous | narrow-mouthed; with a mouth that is not distensible. |
angiostomous | narrow-mouthed; with a mouth that is not distensible. |
antenna | (Lat.) either of a pair of sensory appendages on the heads of insects, crustaceans, and some other arthropods. |
antennal | of or like antennae. |
antennary | having antennae. |
antenniferous | bearing antennae. |
antennular | of or like an antennule. |
antennule | one of a first or smaller pair of antennae in crustaceans. |
antlia | (Lat.) the suctorial proboscis of certain insects. |
antliate | having an antlia, the suctorial proboscis of certain insects. |
arthromere | an arthropod body segment. |
arthromeric | relating to an arthromere. |
axonemal | relating to an axoneme, part of a cilium. |
axoneme | a central strand of a locomotor organelle such as a cilium or flagellum. |
bivalvate | of molluscs, having two valves. |
bivium | (Lat.) in echinoderms, the two rays enclosing the madreporite. |
bothrium | (Lat.) a groove on a tapeworm. |
brachycerous | of insects, having short antennae. |
cavitary | containing a body cavity; as, the cavitary or nematoid worms. |
cephalothoracic | relating to the cephalothorax. |
cephalothorax | the body, or head with thorax, of spiders, crustaceans, etc. |
cephalous | having a head. |
cercus | (Lat.) a sensory appendage of an insect. |
cervicum | the flexible region between the head and prothorax in insects. |
chaeta | (Lat.) a bristle or seta of seaworms. |
chaetal | relating to a chaeta, a bristle or seta of seaworms. |
chelicera | the first pair of appendages of a chelicerate arthropod. |
cheliceral | relating to the chelicerae. |
cheliferous | bearing pincers or claws. |
cheliform | shaped like a chela or pincer. |
cheliped | one of the pair of legs carrying the chelae (claws) in arthropods. |
chitin | a substance consisting of polysaccharide which forms most of the hard outer skeletons of arthropods and of the cell-walls of fungi. |
chitinoid | of or like chitin. |
chitinous | of or like chitin. |
chrysalid | a pupa, esp of a moth or butterfly, enclosed in a firm case or cocoon. |
chrysalidal | like a chrysalid. |
chrysalis | a pupa, esp of a moth or butterfly, enclosed in a firm case or cocoon. |
ciliation | the state of having cilia, hairlike lashes borne by a cell. |
clitellar | relating to the clitellum. |
clitellum | (Lat.) in annelids, a swelling of the body towards the head of the animal, where the gonads are located. |
clypeal | relating to the clypeus, the frontal plate of the head of an insect. |
clypeus | (Lat.) the frontal plate of the head of an insect. |
cnidoblast | a stinging thread cell containing a nematocyst. |
coelenteron | a coelenterate's saclike body cavity. |
coelomate | having a coelom; (noun) an animal having a coelom. |
coenosarc | the common soft tissue which unites the polyps of a compound hydroid. |
colleterial | as in colleterial gland, a glue-secreting organ found in insects. |
conchiolin | a fibrous protein substance that forms the basic structure of the shell of molluscs. |
connivent | of insect or plant parts, converging and touching, but not united or fused. |
connivently | (Adv.) CONNIVENT, converging and touching, but not united or fused. |
corbicula | (Lat.) the pollen basket of bees, consisting of the dilated posterior tibia with its fringe of long hairs. |
cornicle | a wax-secreting organ on an aphid's abdomen. |
corniculum | (Lat.) a small hornlike part or process. |
coxa | (Lat.) the first joint of the leg of an insect or crustacean. |
coxal | relating to the coxa, the first joint of the leg of an insect or crustacean. |
cribellar | relating to a cribellum, a sievelike spinning organ of certain spiders. |
cribellum | (Lat.) a sievelike spinning organ of certain spiders. |
ctene | (Greek) a comblike swimming organ in the Ctenophora. |
ctenidium | (Lat.) a comblike respiratory gill of molluscs. |
cuticula | (Lat.) the outer hard covering of an insect. |
dactylus | (Lat.) the leg joint of certain insects. |
dealate | divested of its wings; (noun) an animal divested wings. |
dealated | of an insect, divested of its wings. |
dermatome | the lateral wall of a somite from which the dermis is produced. |
dermatomic | relating to a dermatome, the lateral wall of a somite from which the dermis is produced. |
diact | having two rays; (noun) a sponge spicule having two rays that develop in different directions from a single point of origin. |
diactinal | having two rays. |
diactine | having two rays; (noun) a sponge spicule having two rays that develop in different directions from a single point of origin. |
dioptrate | of insects, having the compound eye divided transversely. |
diploblastic | having ectoderm and endoderm but no mesoderm, as in coelenterates. |
dipnoous | having both lungs and gills. |
dipteral | having two wings only; belonging to the order Diptera. |
dipterous | having two wings, as certain insects; belonging to the order Diptera. |
dorsibranchiate | having gills on the back. |
edriophthalmian | of crustaceans, with stalkless eyes. |
edriophthalmic | of crustaceans, with stalkless eyes. |
edriophthalmous | of crustaceans, with stalkless eyes. |
elytral | relating to the elytrum, a beetle's wing-case. |
elytriform | having the form, or structure, of an elytron. |
elytrigerous | bearing elytra. |
elytroid | of or like an elytron, a beetle's forewing. |
elytron | (Greek) each of the horny forewings of a coleopterous insect, which form protective sheaths for the hindwings. |
elytrous | of or like an elytron, a beetle's forewing. |
elytrum | (Lat.) each of the horny forewings of a coleopterous insect, which form protective sheaths for the hindwings. |
encephalous | having a head. |
endopod | a branch of a crustacean limb. |
endopodite | the internal or principal branch of the locomotive appendages of Crustacea. |
endostyle | a fold of the endoderm, which projects into the blood cavity of ascidians. |
enteron | (Greek) a body cavity in coelenterates. |
epicuticle | the outermost layer of cuticle of an insect exoskeleton. |
epicuticular | relating to the epicuticle. |
epiphragm | the disc with which certain molluscs close the aperture of their shell. |
epistome | the region between the antennae and the mouth, in Crustacea. |
equivalve | having valves of similar size and form. |
exarate | of a pupa, having the appendages free from the body. |
exocuticle | the middle layer of an insect's cuticle. |
exopod | the outer branch of a crustacean limb. |
exopodite | the outer branch of a crustacean limb. |
exopoditic | of or like an exopodite, the outer branch of a crustacean limb. |
exoskeletal | relating to an exoskeleton. |
exoskeleton | an external skeleton. |
eyestalk | one of the movable peduncles which, in the decapod Crustacea, bear the eyes at the tip. |
fenestra | (Lat.) a translucent spot eg on an insect's wing. |
flagellar | of or relating to a flagellum, a whip, a whiplike organ. |
flagellum | (Lat.) a whip, a whiplike organ. |
frenular | of or relating to a frenulum, a small stiff hair on the hindwings of some insects. |
frenulum | (Lat.) a small stiff hair on the hindwings of some insects, serving to bond hind and front wings. |
frustule | the siliceous two-valved shell of a diatom. |
funicle | any of certain filamentary anatomical structures, eg a section of an insect's antenna. |
furca | any forklike structure esp in insects. |
gladius | (Lat.) the internal shell, or pen, of cephalopods. |
gnathite | in arthropods, an appendage used as a jaw. |
gonopod | either of a pair of appendages that are the external reproductive organs of insects. |
gonopore | a genital pore in insects and some invertebrates. |
haemocoel | the central body cavity of many invertebrates. |
haemolymph | the blood-like fluid of invertebrates. |
haltere | (Greek) the rudimentary hindwing of a fly. |
haustellum | the sucking organ or proboscis of an insect or crustacean. |
hectocotylus | a tentacle in certain male cephalopod molluscs, such as the octopus, that is specialized for transferring spermatozoa to the female. |
hemelytral | relating to the hemelytron, the insect forewing. |
hemelytron | an insect forewing thickened at the base, membranous at the apex. |
hemelytrum | an insect forewing thickened at the base, membranous at the apex. |
hemerythrin | an iron-containing respiratory pigment in the blood of various chiefly marine invertebrates. |
hemielytral | relating to the hemielytron, the insect forewing. |
hemielytron | the forewing of plant bugs and related insects, having a thickened base and a membranous apex. |
hemocoel | the central body cavity of many invertebrates. |
hemolymph | the circulatory fluid of various invertebrate animals. |
hepatopancreas | a glandular structure (as of a crustacean) that combines the digestive functions of the vertebrate liver and pancreas. |
hexactinal | having six rays. |
hindwing | the rear wing of eg an insect. |
holoptic | of an insect, having the eyes meeting at the midline. |
homeomery | the state of being homoeomeric, having all the somites alike. |
homoeomeric | having all the somites alike. |
homoeomery | the state of being homoeomeric, having all the somites alike. |
hypopharynx | an appendage or thickened fold on the floor of the mouth of many insects that resembles a tongue. |
hypostome | any of several structures associated with the mouth in different invertebrates. |
implex | (Lat.) in arthropods, an in-turning of the integument where muscles are attached. |
incurrent | carrying an inflowing current. |
indusial | of or like an indusium, the protective cover of insect's wing. |
indusiate | having an indusium, a protective covering. |
indusium | the protective cover of an insect's wing. |
inequivalve | having the valves of the shell of a mollusk unequal in size. |
inequivalved | having the valves of the shell of a mollusk unequal in size. |
interambulacral | of or like an interambulacrum. |
interambulacrum | in sea urchins, a radial band between ambulacra. |
interramal | between rami or branches; esp between the mandibles, or rami of the lower jaw. |
invertebral | invertebrate. |
ligula | (Lat.) a tonguelike part or organ; the anterior part of an insect's labium or lower lip. |
limacel | (Lat.) a slug's reduced, usually embedded, shell. |
loma | (Lat.) a membranous fringe or flap in the southwestern US, a hill with a broad flat top |
lophophorate | of or like a lophophore, a ring of ciliated tentacles round the mouth of some sedentary marine animals. |
lophophore | a ring of ciliated tentacles round the mouth of some sedentary marine animals. |
madreporite | in echinoderms, a perforated plate serving as opening to the stone canal. |
madreporitic | of or like madreporite, in echinoderms, a perforated plate serving as opening to the stone canal. |
maxilliped | one of the mouth appendages of Crustacea, situated next behind the maxillae. |
maxillipedary | like a maxilliped, one of the mouth appendages of Crustacea. |
maxillipede | one of the mouth appendages of Crustacea, situated next behind the maxillae. |
maxillula | in crustaceans, a maxilla of the first pair. |
meroistic | applied to the ovaries of insects when they secrete vitelligenous cells, as well as ova. |
mesoglea | a gelatinous layer between the endoderm and ectoderm of a coelenterate. |
mesogleal | relating to the mesoglea. |
mesogloea | a gelatinous layer between the endoderm and ectoderm of a coelenterate. |
mesothorax | the middle segment of the thorax in insects. |
metameral | relating to a metamere, a serial division or segmentation of a body. |
metamere | one of the similar body segments into which earthworms, crayfish, and similar animals are divided longitudinally. |
metasoma | the posterior part of an arachnid's abdomen. |
metathoracic | relating to the metathorax. |
metathorax | the last or posterior segment of the thorax in insects. |
microtube | a very small tube, as found in an axoneme. |
monact | the spicule of a sponge that has a single-spiked structure. |
monactinal | of a sponge, having single-rayed spicules. |
monactine | the spicule of a sponge that has a single-spiked structure. |
monothalamous | of an animal or protist, having a shell, test, or skeleton with a single chamber. |
myotome | a segment of the body formed by a region of muscle. |
nematoblast | a stinging thread cell containing a nematocyst, aka cnidoblast. |
nematocyst | an older name for a cnidoblast, a stinging cell in eg jellyfish. |
nematocystic | of or like a nematocyst, a stinging cell in eg a jellyfish. |
nephridial | of or pertaining to a nephridium, a segmental tubule. |
nephridium | in invertebrates and lower chordates, an organ serving the function of a kidney. |
notal | pertaining to the notum, the dorsal aspect of the thorax in insects. |
notum | (Lat.) the dorsal aspect of the thorax in insects. |
obtect | of an insect, having wings and legs immovably pressed against the body in a hard chitinous case. |
obtected | of an insect, having wings and legs immovably pressed against the body in a hard chitinous case. |
ocellar | of the nature of an ocellus, a small simple eye found in many invertebrates. |
ocellus | (Lat.) a small simple eye found in many invertebrates; an eyelike marking. |
octamerous | having eight parts or organs. |
odontophoral | of or like an odontophore, the rasping apparatus in molluscs. |
odontophoran | of or like an odontophore, the rasping apparatus in molluscs; (noun) an odontophore. |
odontophore | the rasping apparatus in molluscs. |
odontophorous | of or like an odontophore, the rasping apparatus in molluscs. |
ommateum | (Lat.) a compound eye. |
ommatidial | relating to an ommatidium. |
ommatidium | a simple element of a compound eye. |
ommatophore | an eyestalk, as in snails. |
ommatophorous | of or like ommatophore, an eyestalk, as in snails. |
onycha | (Greek) an ingredient in ancient Jewish incense; the nail-like operculum of a mollusc. |
onychium | a pulvillus (a minute cushion on the feet) in insects. |
oocyst | an encysted form of some sporozoan zygotes. |
oothecal | pertaining to an ootheca, the firm-walled egg-case of some molluscs and insects. |
opercular | belonging to the operculum; (noun) the opercular bone. |
operculate | relating to the operculum. |
operculated | relating to the operculum. |
opercule | an anatomical part that serves as a lid or cover. |
operculum | (Lat.) an anatomical part that serves as a lid or cover. |
opisthosoma | the abdomen of a spider or other arachnid. |
osculum | (Lat.) the excretory organ of a sponge. |
osmeterium | a forked process behind the head of certain caterpillars, giving out a foul smell. |
otocystic | relating to an otocyst, an auditory cyst or vesicle. |
ovariole | one of the egg-tubes forming an insect's ovary. |
ovipositor | the organ with which many insects and some other animals deposit their eggs. |
pallial | of or pertaining to the pallium or mantle of a mollusc. |
palp | a sense organ attached to mouthparts of certain insects and crustacea; (verb) to sense by touch. |
palpal | relating to a palp, an elongated sense organ, usually near mouth, in insects, mollusks, crustaceans. |
palpus | (Lat.) a sense organ attached to mouthparts of certain insects and crustacea. |
paraglossa | one of a pair of small appendages of the lingua or labium of certain insects. |
paraglossal | relating to the paraglossae, small appendages of the lingua or labium of certain insects. |
paraglossate | relating to the paraglossae, small appendages of the lingua or labium of certain insects. |
paragnathism | having equal mandibles. |
paragnathous | having equal mandibles. |
parapodial | relating to a parapodium, one of the lateral appendages of an annelid. |
parapodium | a jointless muscular lateral appendage occurring in pairs in polychaete worms. |
pedicellaria | each of numerous organs like small pincers on the outside of an echinoderm. |
pedipalp | one of the second pair of appendages of an arachnoid. |
pedipalpus | one of the second pair of appendages of an arachnoid. |
pentact | a five-rayed sponge spicule. |
pentactinal | relating to a pentact. |
peraeon | (Greek) the thorax of some crustaceans. |
peraeopod | each of the eight walking limbs of a crustacean such as a crab or lobster, growing from the thorax. |
pereion | (Greek) the thorax of some crustaceans. |
pereiopod | each of the eight walking limbs of a crustacean such as a crab or lobster, growing from the thorax. |
pereon | the thorax of some crustaceans. |
pereopod | each of the eight walking limbs of a crustacean such as a crab or lobster, growing from the thorax. |
periostracum | the horny outer layer of a mollusc's shell. |
periplast | an intercellular substance; the ectoplasm of flagellates. |
periproct | the region surrounding the anus, particularly of echinoderms. |
perisarc | the outer, hardened integument which covers most hydroids. |
perisarcal | relating to the perisarc, the outer, hardened integument which covers most hydroids. |
perisarcous | relating to the perisarc, the outer, hardened integument which covers most hydroids. |
perradial | situated around the radii, or radial tubes, of a radiate. |
perradius | the primary radius of a coelenterate. |
pleonal | relating to the pleon, the abdomen of crustaceans. |
pleonic | relating to the pleon, the abdomen of crustaceans. |
pleuron | (Greek) an external, lateral body part of arthropods. |
podite | a walking leg of a crustacean. |
poditic | relating to a podite, a walking leg of a crustacean. |
podomere | a walking leg of a crustacean, a podite. |
poiser | the balancer of dipterous insects. |
polyact | of a marine animal, having many rays or tentacles. |
polyactinal | of a marine animal, having many rays or tentacles. |
polyactine | of a marine animal, having many rays or tentacles; (noun) the spicule of a polyactinal sponge. |
polypodous | having many legs or similar appendages. |
preocular | placed just in front of the eyes, as the antennae of certain insects; (noun) a scale in front of the eye of a reptile or fish. |
prepupal | relating to the stage before the pupa. |
prescutum | (Lat.) the first of the four pieces composing the dorsal part, or tergum, of a thoracic segment of an insect. |
presternum | the anterior segment of the sternum. |
proboscis | an elongated organ, usually associated with the mouth. |
proctodaeal | relating to the proctodaeum, the posterior portion of the alimentary canal, esp in insects and embryos. |
proglottic | relating to the proglottis. |
proglottid | a segment of a tapeworm. |
proglottidean | of or like a proglottis, a segment of a tapeworm. |
proglottis | a segment of a tapeworm. |
proleg | an insect larva's abdominal leg. |
promuscidate | like or having a promuscis. |
promuscis | a proboscis, esp an insect's. |
pronotal | relating to a pronotum, the back of an insect's prothorax. |
pronotum | the back of an insect's prothorax. |
propodeon | in some Hymenoptera, the first abdominal segment. |
propodeum | in some Hymenoptera, the first abdominal segment. |
prosternum | the sternum of the prothorax of insects. |
prostomial | relating to the prostomium, that portion of the head of an annelid situated in front of the mouth. |
prostomium | that portion of the head of an annelid situated in front of the mouth. |
prothorax | the first or anterior segment of the thorax in insects. |
protopod | a part of a crustacean appendage. |
pseudimago | a stage in the development of certain insects, such as the May flies, intermediate between the pupa and imago. |
pterin | (Greek) any of a group of substances occurring in butterfly wings. |
pulmobranch | a lung-book. |
pulmobranchiate | relating to a pulmobranch, a lung-book. |
pulvillus | (Lat.) one of the minute cushions on the feet of certain insects. |
pupa | (Lat.) an insect in the usually passive stage between larva and imago. |
pupal | of or pertaining to a pupa, or the condition of a pupa. |
puparial | relating to a puparium, the last larval skin of the pupa. |
puparium | (Lat.) the last larval skin of the pupa. |
pupigerous | bearing a puparium. |
pupiparous | bearing, or containing, a pupa. |
pygidial | of or like a pygidium, the posterior division of the body in trilobites. |
pygidium | in trilobites, the posterior division of the body, formed by fusion of the telson with one or more posterior pleurae. |
pyrenoid | a transparent body found in the chromatophores of certain Infusoria. |
radula | (Lat.) a mollusc's tongue, that is studded with tiny teeth. |
rayless | without rays. |
raylessly | (Adv.) RAYLESS, without rays. |
resilin | an elastic substance in the cuticles of many insects. |
retinular | relating to the retinula, a pigmented cell in some arthropod compound eyes, from which the rhabdom arises. |
rhabdoid | a rodlike body. |
rhabdolith | a calcareous rod in some Protozoa. |
rhabdom | (Greek) a fourfold rod in the compound eye of an arthropod. |
rhabdomal | of or like a rhabdom, a fourfold rod in the compound eye of an arthropod. |
rhabdome | (Greek) a fourfold rod in the compound eye of an arthropod. |
rhabdomere | one of the several parts composing a rhabdom. |
rhabdus | (Greek) a rodlike sponge spicule. |
rhynchocoel | the cavity in which the proboscis of a nemertine lies. |
ringent | having gaping liplike parts such as the shells of certain bivalves. |
sclere | a sponge spicule. |
sclerotisation | the cross-linking of chitin protein molecules to harden an insect's shell. |
scolecoid | like a scolex, the head of a tapeworm. |
scolex | (Greek) the head of a tapeworm. |
scopula | (Lat.) a brushlike tuft of hairs on legs of some spiders. |
scopulate | like a scopula, a little tuft of hairs. |
scrobe | a groove eg for the reception or concealment of a limb or other appendage of an insect. |
scrobicular | relating to or surrounded by scrobicules. |
scrobicule | a small pit or depression, as around the tubercles of a sea urchin. |
serricorn | having serrated antennae; (noun) a beetle with serrate antennae. |
shard | a piece of broken pottery; a beetle's elytrum or wing-case. |
sharded | (Arch.) sheltered under dung. |
sinupallial | of certain bivalve molluscs, having an indented pallial line for the retraction and expansion of the pallial siphons. |
sinupalliate | of certain bivalve molluscs, having an indented pallial line for the retraction and expansion of the pallial siphons. |
siphonet | an aphid's honeydew tube. |
siphuncle | the tube which runs through the partitions of chambered cephalopod shells. |
spermatheca | a receptacle for storing spermatazoa in insects. |
spermathecal | of or like a spermatheca, a receptacle for storing spermatazoa in insects. |
sphaeridium | a minute spheroidal body on the surface of a sea urchin, perhaps a sense organ. |
spicula | (Lat.) a spike or splinter. |
spiculum | (Lat.) a little spine; a snail's dart. |
spinneret | the silk-spinning organ of an insect or spider. |
spinnerette | the silk-spinning organ of an insect or spider. |
spinnerule | one of the numerous small spinning tubes on the spinnerets of spiders. |
spiracle | a breathing hole in eg insects. |
spiracular | of or pertaining to a spiracle. |
spiraculum | a breathing-hole; a vent, orifice. |
spiraster | a coiled sponge spicule with radiating spines. |
sternite | the sternum of an arthropod somite. |
sternitic | relating to the sternite, the sternum of an arthropod somite. |
subcosta | the subcostal nervure or vein of an insect's wing. |
subimago | a stage in the development of certain insects, such as mayflies, intermediate between the pupa and imago. |
submentum | the basal part of the labium of insects. |
subumbrella | the concave undersurface of a jellyfish. |
subumbrellar | relating to the subumbrella, the concave undersurface of a jellyfish. |
swimmeret | a crustacean's abdominal appendage used in swimming. |
tailfan | a fanlike swimming organ at the end of some crustaceans. |
tentacled | having tentacles. |
tentacular | of or pertaining to a tentacle or tentacles. |
terebrant | boring, having a piercing ovipositor; (noun, facetious) a bore. |
tergal | relating to the tergum, an insect's upper or dorsal surface, esp of a body segment. |
tergite | the back plate of a somite. |
tergum | (Lat.) an insect's upper or dorsal surface, esp of a body segment. |
tetract tetractinal tetractine | a four-rayed sponge spicule. |
thoracal | relating to the thorax. |
thorax | (Lat.) in insects, the second body region, between the head and abdomen, where the legs and wings are attached. |
torulus | (Lat.) the socket of an insect's antenna. |
tracheolar | of or like a tracheole, one of the minute delicate endings of a branched trachea of an insect. |
tracheole | one of the minute delicate endings of a branched trachea of an insect. |
triact | three-rayed; (noun) a three-rayed sponge spicule. |
triactinal | three-rayed. |
triactine | three-rayed. |
triaxial | having three axes; (noun) a triaxial sponge spicule. |
triradial | three-rayed. |
triradiate | three-rayed. |
triradiately | (Adv.) TRIRADIATE, three-rayed. |
trivalved | having three valves. |
trophi | (Lat.) the mouthparts of an insect. |
tylote | a cylindrical sponge spicule. |
typhlosole | a fold of the wall which projects into the cavity of the intestine in bivalve mollusks, certain annelids, starfishes, and some other animals. |
uncinal | relating to an uncinus, a hooklet, a marginal tooth of a mollusc's radula. |
uncinus | (Lat.) a hooklet, a marginal tooth of a mollusc's radula. |
uniramose | esp. of the appendages of crustaceans, consisting of a single branch. |
uniramous | esp. of the appendages of crustaceans, consisting of a single branch. |
urite | an abdominal segment in insects. |
uropod | any one of the abdominal appendages of a crustacean, esp one of the posterior ones. |
uropodal | of or pertaining to a uropod, any one of the abdominal appendages of a crustacean. |
uropodous | of or pertaining to a uropod, any one of the abdominal appendages of a crustacean. |
zoaea | a larval stage in certain crustaceans. |
zoea | (Lat.) a larval stage in certain crustaceans, esp decapods. |
zoeal | pertaining to a zoea, a larval stage in certain crustaceans. |
zoeform | like a zoea, the larval stage of certain crustaceans. |
zoocytium | (Greek) a zoothecium, the tubular sheath of certain social infusorians. |
zoodendrium | the branched stalk connecting the members of the colony in certain colonial Infusoria. |
zooea | (Lat.) a larval stage in certain crustaceans, esp decapods. |
zooeal | of or like a zooea, a larval stage in certain crustaceans. |
zygocardiac | denoting certain paired lateral ossicles in the gastric mill of Crustacea. |