Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
acellular | not containing or made up of cells. |
acrasin | a substance secreted by the cells of a slime mould. |
adipocyte | a fat cell. |
agamete | an asexual reproductive cell. |
akaryote | a cell that does not have a nucleus. |
akaryotic | of or like an akaryote, a cell that does not have a nucleus. |
amebocyte | a cell, like a leukocyte, having amoeboid form. |
ameloblast | enamel-producing cell of tooth. |
amitosis | direct cell division, without mitosis. |
amitotic | relating to amitosis, direct cell division, without mitosis. |
amitotically | (Adv.) AMITOTIC, relating to amitosis, direct cell division, without MITOSIS. |
amoebocyte | a cell, like a leukocyte, having amoeboid form. |
amphiaster | the structure that occurs in a cell undergoing mitosis, consisting of a spindle with an aster at each end. |
anaphase | the stage of meiosis in which daughter chromosomes move towards the nuclear spindle. |
aneuploid | a cell or individual with missing or extra chromosomes. |
apocrine | denoting a gland whose product is formed by the breakdown of its cells. |
apoptosis | the natural self-destruction of cells in a growing organism. |
apoptotic | relating to apoptosis, the natural destruction of cells in a growing organism. |
archesporial | of or like an archesporium, a primitive cell or group of cells from which a mother cell develops. |
archesporium | a primitive cell or group of cells from which a mother cell develops. |
astrocyte | a much-branched, star-shaped neuroglia cell. |
astrocytic | relating to an astrocyte, a much-branched, star-shaped neuroglia cell. |
astrosphere | another name for a centrosome. |
athrocyte | a cell having the ability to move and store foreign matter. |
athrocytosis | of a cell, having the ability to absorb and store foreign matter. |
auxocyte | any cell undergoing meiosis esp an oocyte or spermatophyte. |
basophilia | of white blood cells, the state of having an affinity for stains. |
binucleate | having two nuclei; as, binucleate cells. |
binucleated | having two nuclei; as, binucleate cells. |
biophor | weismann's hypothetical unit of living matter. |
biophore | weismann's hypothetical unit of living matter. |
blastocyst | a mammalian blastula in which some differentiation of cells has occurred. |
blastomere | one of the segments first formed by the division of the ovum. |
blastomeric | like a blastomere. |
blastula | (Lat.) a hollow sphere of cells, one cell thick, formed in the cleavage of a fertilized ovum. |
blastular | relating to the blastula, a hollow sphere of cells, one cell thick, formed in the cleavage of a fertilized ovum. |
blepharoplast | a basal body esp of a flagellated cell. |
caryotin | a readily stained substance in the nucleus of a cell made up of DNA, RNA and proteins, aka chromatin. |
caveola | a tiny pit in a cell membrane > CAVEOLAE. |
caveolar | relating to a caveola, a tiny pit in a cell membrane > CAVEOLAE. |
celliferous | bearing cells. |
cellule | a minute cell, cavity, or pore. |
celluliferous | bearing little cells. |
centriole | a rodlike body (usu one of a pair) in animal cells. |
centrosome | a minute, self-duplicating structure near the interphase nucleus, from which the fibres of the spindle radiate at mitosis. |
centrosomic | like a centrosome. |
choanocyte | a cell in which the flagellum is surrounded by a sheath of protoplasm. |
chondriosome | an old name for a mitochondrion, a minute body generating atp in the cytoplasm of a cell. |
chondroblast | a cell that forms cartilage. |
chromidium | an algal cell in a lichen. |
chromosome | a threadlike body containing the genetic material in the cell nucleus. |
ciliated | having cilia, fine hairlike structures on the surface of a cell. |
cnida | (Greek) a nematocyst, a stinging cell in jellyfish. |
coccoid | a spherical cell or body. |
coccoidal | like a coccoid, a spherical cell or body. |
conjugant | one of a pair of cells undergoing conjugation. |
cytaster | a star-shaped structure formed in the cytoplasm of a cell prior to the onset of cell division. |
cyte | in biology, a cell. |
cytochrome | any of a group of substances in living cells, of great importance in cell oxidation. |
cytogenesis | the formation of cells. |
cytogeny | the formation of cells. |
cytoid | cell-like. |
cytokinesis | division of the cytoplasm of a cell, occurring at the end of mitosis or meiosis. |
cytokinetic | relating to cytokinesis, division of the cytoplasm of a cell. |
cytologic | relating to cytology, the study of living cells. |
cytological | relating to cytology, the study of living cells. |
cytologically | (Adv.) CYTOLOGICAL, relating to cytology, the study of living cells. |
cytology | the study of living cells. |
cytolysin | an agent that dissolves cells esp by breaking down their outer membrane. |
cytolysis | the dissolution of cells esp by breaking down their outer membrane. |
cytolytic | relating to the dissolution of cells esp by breaking down their outer membrane. |
cytomegalic | having greatly enlarged cells. |
cytomembrane | one of the cellular membranes including those of the plasma membrane, endoplasmic reticulum, nuclear envelope, and Golgi apparatus. |
cytometric | relating to cytometry, the counting of cells. |
cytopathic | producing pathological changes in cells. |
cytophilic | of eg antibodies, having an affinity for cells. |
cytoplasm | the protoplasm of a cell surrounding the nucleus. |
cytoplast | the intact cytoplasm of a single cell. |
cytoplastic | of or relating to a cytoplast, the intact cytoplasm of a single cell. |
cytosol | the fluid portion of cell material. |
cytosolic | relating to the cytosol, the fluid portion of cell material. |
cytosome | the part of a cell outside the nucleus. |
cytostatic | tending to retard cellular activity and multiplication (noun) a substance tending to retard cellular activity |
cytostatically | (Adv.) CYTOSTATIC, tending to retard cellular activity and multiplication. |
cytotaxis | movement of cells due to external stimulus. |
cytotoxic | of or like a cytotoxin, a substance damaging to cells. |
desmosomal | relating to a desmosome, a small thickened patch on the membrane of a cell. |
desmosome | a small thickened patch on the membrane of a cell. |
deutoplasm | the food material, such as yolk or fat, within an egg or cell. |
deutoplasmic | of or like deutoplasm, the food material, such as yolk or fat, within an egg or cell. |
deutoplastic | of or like deutoplasm, the food material, such as yolk or fat, within an egg or cell. |
diplonema | a less common name for diplotene, a stage of meiotic prophase (cell division). |
diplont | an animal or plant body containing diploid nuclei. |
diplontic | relating to a diplont, an animal or plant body containing diploid nuclei. |
diplosis | a method of chromosome formation. |
diplotene | the fourth stage of the prophase of meiosis, in which the chromosomes clearly double. |
dithecal | having two thecae or sheaths. |
dithecous | having two thecae or sheaths. |
ectomere | the more transparent cells, which finally become external, in many segmenting ova, as those of mammals. |
ectomeric | like an ectomere, the more transparent cells, which finally become external, in many segmenting ova, as those of mammals. |
embryoid | a embryo-like structure produced in tissue culture. |
endocytic | involved absorption of cells. |
endocytosis | the process by which a living cell takes up molecules bound to its surface. |
endocytotic | relating to endocytosis. |
endogenous | produced or growing from within. |
endogenously | (Adv.) ENDOGENOUS, produced or growing from within. |
endogeny | increase by internal growth. |
endoplasm | the protoplasm in the interior of a cell. |
endoplasmic | as in endoplasmic reticulum, a series of flattened membranous tubules and cisternae in the cytoplasm of eukaryotic cells. |
endoplastic | as in endoplasmic reticulum, a series of flattened membranous tubules and cisternae in the cytoplasm of eukaryotic cells. |
endosarc | endoplasm. |
energid | the nucleus and active cytoplasm of a cell. |
epibolic | relating to epiboly, the process by which one set of cells spreads over and surrounds another by dividing more rapidly, as in gastrulation. |
epiboly | the process by which one set of cells spreads over and surrounds another by dividing more rapidly, as in gastrulation. |
erythroblast | a cell in bone marrow that develops into an erythrocyte. |
erythroblastic | of or like an erythroblast. |
eucaryon | the highly organised cell nucleus, surrounded by a membrane. |
eucaryot | an organism whose cells have a eukaryon, a highly organised nucleus. |
eucaryote | an organism whose cells have a eukaryon, a highly organised nucleus. |
eucaryotic | of or like a eucaryote, an organism whose cells have a eukaryon, a highly organised nucleus. |
eukaryon | the highly organised cell nucleus, surrounded by a membrane. |
eukaryot | an organism whose cells have a eukaryon, a highly organised nucleus. |
eukaryote | an organism whose cells have a eukaryon, a highly organised nucleus. |
eukaryotic | of or like a eukaryote, an organism whose cells have a eukaryon, a highly organised nucleus. |
exocytic | outside biological cells. |
exocytose | to secrete a substance from within a cell. |
exocytosis | the release of cellular substances contained in cell vesicles. |
exocytotic | relating to exocytosis, the release of cellular substances contained in cell vesicles. |
fibroblast | a cell in connective tissue from which connective tissue is formed. |
fibroblastic | of or like a fibroblast. |
gametangial | relating to a gametangium, an organ or cell in which gametes are produced. |
gametangium | an organ or cell in which gametes are produced. |
gonidial | pertaining to, or containing, gonidia, algal cells in lichen. |
gonidic | relating to a gonidium, an algal cell in lichen. |
gonocyte | a gamete-producting cell. |
granulocyte | a kind of white blood cell. |
granulocytic | of or like a granulocyte, a kind of white blood cell. |
hepatocyte | an epithelial parenchymatous cell of the liver. |
heterocyst | a cell larger than the others, and of different appearance, occurring in certain algae related to nostoc. |
heterocystous | of or like a heterocyst. |
heterogamete | male and female sex cells are different. |
histoblast | a cell or group of cells forming the primary element or unit of tissue. |
homeotypic | denoting or relating to the second nuclear division of meiosis, which resembles mitosis. |
homoblasty | the state of being homoblastic, derived from similar cells. |
homoeotypic | denoting or relating to the second nuclear division of meiosis, which resembles mitosis. |
hyalogen | a substance found in animal cells. |
hybridoma | a hybrid cell produced by the fusion of an antibody-producing lymphocyte with a tumor cell. |
idioblast | a plant cell that differs from neighbouring cells in the same tissue. |
inosine | a type of molecule making up a cell. |
intercell | between cells. |
interkinesis | the resting stage between two divisions of mitosis. |
intermitotic | occurring or existing between mitoses; capable of dividing again. |
interphase | the interval between the end of one meiotic or mitotic division and the start of another. |
intracellular | existing, occurring, or functioning within a cell. |
intracellularly | (Adv.) INTRACELLULAR, existing, occurring, or functioning within a cell. |
karyogamic | relating to karyogamy. |
karyogamy | a process of fusion of the nuclei of two cells; the second step in syngamy. |
karyokinesis | division of the cell nucleus. |
karyokinetic | relating to karyokinesis, division of the cell nucleus. |
karyologic | relating to karyology, the study of cell nuclei. |
karyological | relating to karyology, the study of cell nuclei. |
karyologist | a practitioner of karyology, the study of cell nuclei. |
karyology | the study of cell nuclei. |
karyoplasm | nucleoplasm. |
karyoplasmic | of or like karyoplasm, nucleoplasm. |
karyosome | a spherical aggregation of chromatin in a resting nucleus during mitosis. |
karyotin | a readily stained substance in the nucleus of a cell made up of DNA, RNA and proteins, aka chromatin. |
leptotene | the first stage of meiotic prophase in which long, slender, single-stranded chromosomes develop. |
leucoblast | an immature cell which will develop into a leucocyte. |
linin | (Greek) a substance which forms the network of a cell nucleus. |
lipocyte | a fat cell. |
liposomal | relating to a liposome, a naturally occurring liquid globule in the cytoplasm of a cell. |
liposome | a naturally occurring liquid globule in the cytoplasm of a cell. |
lithite | a calcareous body secreted by an animal cell. |
locular | of eg an ovary, divided into compartments by septa. |
loculate | of eg an ovary, divided into compartments by septa. |
loculated | of eg an ovary, divided into compartments by septa. |
lymphokine | any of various substances secreted by T cells. |
lysate | a product of lysis, the disintegration or destruction of cells. |
lyse | to undergo lysis, disintegration or destruction of cells. |
lysigenetic | caused by the breaking down of cells. |
lysigenic | caused by the breaking down of cells. |
lysigenous | caused by the breaking down of cells. |
lysin | a substance that causes breakdown of cells. |
lysis | the disintegration or destruction of cells; (Med.) gradual recovery from disease. |
lysosomal | of or like a lysosome, a saclike part of a cell. |
lysosome | a saclike part of a cell. |
lytic | relating to lysis, the disintegration or destruction of cells. |
lytically | (Adv.) LYTIC, relating to lysis, the disintegration or destruction of cells. |
macromere | a large blastomere, one of the segments first formed by the division of the ovum. |
meiocyte | a cell that divides by meiosis to produce four haploid spores. |
melanoblast | a cell that is a precursor of a melanocyte or melanophore. |
melanocyte | an epidermal cell that can produce melanism. |
merisis | (Greek) growth by cell division. |
mesosome | a convoluted invagination of the cell wall in some bacteria. |
metaphase | the stage of mitotic or meiotic nuclear division when the chromosomes become attached to the spindle fibres. |
micromere | a small cell formed by unequal division of an ovum or embryo, eg in sea urchins. |
microsome | a minute granule or drop in cytoplasm. |
microtubular | of or like a microtubule. |
microtubule | any of the relatively rigid structures in the cytoplasm of many plant and animal cells. |
microvillar | of or like a microvillus, a microscopic projection from the surface of a cell wall. |
microvillous | of or like a microvillus, a microscopic projection from the surface of a cell wall. |
microvillus | a microscopic projection from the surface of a cell wall. |
mitogen | a substance that causes cells to divide. |
mitogenetic | relating to mitogens, a substance that causes cells to divide. |
mitogenic | causing cell division. |
mitogenicity | the state of being mitogenic. |
mitosis | (Greek) an elaborate process of cell-division involving the arrangement of chromosomes in definite figures. |
mitotic | relating to mitosis, cell division. |
mitotically | (Adv.) MITOTIC, relating to mitosis, cell division. |
mononuclear | having only one nucleus; (noun) a mononuclear cell. |
monovular | having one ovule. |
morula | (Lat.) a solid spherical mass of cells resulting from the cleavage of an ovum. |
morular | of or like a morula, a solid spherical mass of cells resulting from the cleavage of an ovum. |
mucopeptide | another name for peptidoglycan. |
multicell | having or made up of many cells. |
multicelled | having many cells. |
multipolar | having many poles, eg of nerve cells. |
murein | a peptidoglycan found in cell walls. |
myeloblast | an immature cell of bone marrow. |
myeloblastic | of or like a myeloblast. |
myotube | a cylindrical cell that develops from a myoblast. |
myxameba | a cell produced by a spore. |
myxamoeba | a cell produced by a spore. |
myxocyte | a large cell found in mucous tissue. |
nastic | growing because of internal cell pressures rather than environmentally. |
neoblast | in many of the lower animals, such as worms, any of the large amoeboid cells that play an important part in the phenomena of regeneration. |
neuroblast | an embryonic nerve cell. |
neuron | (Greek) a nerve cell. |
neuronal | of or like a neuron. |
neurone | a nerve cell. |
neuronic | of or like a neuron. |
nucleal | of or like a nucleus. |
nuclein | a colourless amorphous substance of varying composition, obtained from cell nuclei. |
nucleinic | relating to nuclein, a colourless amorphous substance of varying composition, obtained from cell nuclei. |
nucleoid | the DNA-containing area of certain cells. |
nucleolar | of or pertaining to the nucleolus of a cell. |
nucleolate | having a nucleus or nucleolus. |
nucleolated | having a nucleus or nucleolus. |
nucleole | a minute rounded body within the nucleus of a cell, associated with RNA synthesis. |
nucleolus | a minute rounded body within the nucleus of a cell, associated with RNA synthesis. |
nucleoplasm | the protoplasm in the nucleus of a cell. |
nucleoplasmatic | relating to nucleoplasm, the protoplasm in the nucleus of a cell. |
nucleoplasmic | relating to nucleoplasm, the protoplasm in the nucleus of a cell. |
oocyte | an ovum before it matures and begins to divide. |
organelle | a specialized part of a cell that acts like an organ. |
osteoblast | one of the protoplasmic cells which occur in the osteogenetic layer of the periosteum, and from or around which the matrix of the bone is developed; an osteoplast. |
osteoblastic | of or like an osteoblast. |
pepsinogen | a substance in the mucous membrane of the stomach which converts into pepsin in a slightly acid medium. |
peptidoglycan | a polymer in the cell walls of procaryocytes. |
periblast | in meroblastic eggs, the margin of the blastoderm merging with the surrounding yolk. |
perikaryal | relating to the perikaryon, the cell body of a neuron containing the nucleus. |
perikaryon | the cell body of a neuron containing the nucleus. |
periplasm | the region inside the wall of a biological cell. |
peroxisomal | of like a peroxisome. |
peroxisome | an organelle containing enzymes. |
phagosome | part of a biological cell. |
pinocytotic | relating to pinocytosis, drinking by cells. |
pinocytotically | (Adv.) PINOCYTOTIC, relating to pinocytosis, drinking by cells. |
plasmagel | cytoplasm in the form of a gel, esp surrounding the plasmasol in an amoeboid cell. |
plasmagene | a self-reproducing structure like the mitochondria. |
plasmagenic | of or like a plasmagene. |
plasmapheresis | the process of separating plasma from red blood cells in blood from donor, and returning red blood cells to donor. |
plasmasol | cytoplasm in the form of a sol, esp in a pseudopodium. |
plasmodesm | a strand of living cytoplasm connecting two cells. |
plasmodesma | a strand of living cytoplasm connecting two cells. |
plasmogamy | a process of fusion of the cytoplasm of two cells; the first step in syngamy. |
plasmolyse | to undergo plasmolysis, the removal of water from a cell by osmosis. |
plasmolysis | the removal of water from a cell by osmosis. |
plasmolytic | relating to plasmolysis. |
plasmolytically | (Adv.) PLASMOLYTIC, relating to plasmolysis. |
plasmolyze | to undergo plasmolysis, the removal of water from a cell by osmosis. |
plasmon | the total of the genetic material in a cell. |
plastogamy | a process of fusion of the cytoplasm of two cells, the first step in syngamy. |
polygenic | of or relating to polygeny. |
polysomy | a condition in which one or more extra chromosomes are present in the cells of the body. |
potline | a row of electrolytic cells. |
premeiotic | taking place before meiosis. |
procaryotic | like a procaryote. |
pronuclear | relating to a pronucleus. |
pronucleus | the nucleus of a germ-cell after meiosis and before fertilization. |
prophase | the first stage in cell division, during which chromosomes form the chromatin of the nucleus. |
prophasic | relating to prophase, the first stage in cell division. |
proplastid | a precursor of a cell plastid. |
protoplasm | the complex translucent colourless colloidal material comprising the living part of a cell. |
protoplasmic | of or like protoplasm. |
protoplast | living material within a cell divided into discrete structures; the protein of which cells are composed. |
pseudopod | a process protruding from the cell of a protozoan, etc, used for movement or feeding. |
pseudopodal | of or like a pseudopod. |
pseudopodial | of or like a pseudopod. |
pycnosis | the shrinkage of the stainable material of a nucleus into a deeply staining knot, usually a feature of cell degeneration. |
pyknosis | the shrinkage of the stainable material of a nucleus into a deeply staining knot, usually a feature of cell degeneration. |
pyknotic | relating to pyknosis, the shrinkage of the stainable material of a nucleus into a deeply staining knot. |
retinula | (Lat.) a pigmented cell in some arthropod compound eyes, from which the rhabdom arises. |
ribosomal | relating to a ribosome. |
ribosome | a small particle, found in large numbers in all cells and composed of RNA and protein, on which protein synthesis takes place. |
sclereid | a thick-walled cell. |
sclereide | a thick-walled cell. |
sclerenchyma | plant tissue consisting of cells with thick lignified walls. |
somatogenic | caused from within the body or by the cells of the body. |
spermatid | a cell that develops directly into a spermatozoon. |
spermatoblast | a sperm-producing cell. |
spermatoblastic | of or like a spermatoblast, a sperm-producing cell. |
spherocyte | an abnormal red-blood cell that is spherical rather than disc-shaped. |
spheroplast | a bacterium or yeast cell that is modified, as by enzymatic action, so that there is partial loss of the cell wall and increased osmotic sensitivity. |
spirem | in mitosis, the coiled thread formed by nuclear chromatin. |
spireme | in mitosis, the coiled thread formed by nuclear chromatin. |
sporocyte | a diploid cell that divides by meiosis to produce four haploid spores. |
stomatal | pertaining to a stoma, one of the minute apertures between the cells in many serous membranes. |
stomatous | pertaining to a stoma, one of the minute apertures between the cells in many serous membranes. |
subcell | a subdivision of a cell. |
subtilisin | an extracellular protease created by a soil bacillus. |
summerwood | wood with smaller and thicker-walled cells than springwood. |
syncytial | relating to a syncytium, a mass of protoplasm with many nuclei but no clear cell boundaries. |
syncytium | a mass of protoplasm with many nuclei but no clear cell boundaries. |
synizesis | a stage of meiosis in some species in which all the chromosomes contract together. |
telophase | the last phase of mitosis in which the chromosomes of the daughter cells are grouped in separate nuclei. |
telophasic | relating to telophase, the last phase of mitosis in which the chromosomes of the daughter cells are grouped in separate nuclei. |
thermonasty | nastic movement in response to heat or temperature change. |
tissue | a group of cells with a specific function in the body of an organism; anything woven (verb) to weave or interweave |
tissuey | of or like tissue > TISSUIER, TISSUIEST. |
trichocyst | a lasso cell. |
trichocystic | of or like a trichocyst, a lasso cell. |
trophoblast | the outermost layer of cells in the morula that attaches the fertilized ovum to the uterine wall and acts as a nutritive pathway. |
trophoblastic | of or like a trophoblast. |
trophoplasm | the nutritive substance of cell. |
turgency | a balance of osmotic pressure and cell-wall elasticity. |
turgor | (Lat.) a balance of osmotic pressure and cell-wall elasticity. |
ubiquinone | a quinine used involved in the transfer of electrons during cell respiration. |
unciliated | without cilia. |
unicellular | having or consisting of a single cell. |
unicellularity | the state of being unicellular. |
vacuolar | relating to a vacuole, a cellular cavity. |
vacuolate | having vacuoles. |
vacuolated | having vacuoles. |
vacuole | a small cavity or vesicle in organic tissue; esp a membrane-bound space containing fluid in the cytoplasm of a cell. |
volutin | a substance found in granular form in the cytoplasm of various cells. |
xenotropic | reproducing or replicating only in cells other than those of the host species. |
zooblast | an animal cell. |
zygoid | pertaining to a zygote. |
zygote | a cell formed by union of two gametes; a fertilized egg. |
zygotene | the second stage of the prophase of the first meiotic division, in which homologous chromosomes begin to pair. |
zygotic | pertaining to a zygote, a cell formed by the union of two gametes. |
zygotically | (Adv.) ZYGOTIC, pertaining to a zygote, a cell formed by the union of two gametes. |
zymosan | an insoluble fraction of yeast cell walls. |