72. Cells


See also 44. BIOLOGY .

auxesis
growth, especially owing to an increase in cell size. Cf. merisis . — auxetic, adj.
basophile
a cell or tissue that stains easily. — basophilic, basophilous, adj.
chromatolysis
the breakdown of the protoplasm that contains the genes in the cell nucleus.
cytochemistry
the branch of cytology that deals with the chemistry of living cells. — cytochemical, adj.
cytology
the branch of biology that studies the structure, function, multiplication, and life history of cells. — cytologist, n. cytologie, cytological, adj.
cytolysis
the degeneration of cells. — cytolytic, adj.
cytoplasm
the protoplasm of a cell, not including the nucleus. — cytoplasmic, adj.
cytotechnology
the study of human cells, especially to detect signs of cancer. — cytotechnologist, n. cytotechnologic, adj.
ectoplasm
the outer part of the cytoplasm of a cell. Cf. endoplasm . — ectoplasmic, adj.
embryogeny
the formation and growth of an embryo. — embryogenic, embryogenetic, adj.
endoplasm
the inner part of the cytoplasm of a cell. Cf. ectoplasm . — endoplasmic, adj.
epigenesis
the formation of a cell as a new product and not as the result of development from some existing cell. — epigenetic, adj.
karyology
a branch of cytology dealing with the structure of cell nuclei, especially chromosomes. — karyologic, karyological, adj.
karyoplasm
the substance forming the nucleus of a cell. — karyoplasmic, karyoplasmatic, adj.
karyotype
the aggregate of morphological characteristics of the chromosomes in a cell. — karyotypic, karyotypical, adj.
lysis
the destruction of cells by the action of certain lysins. See also 197. HEALTH . — lytic , adj .
merisis
any form of growth, especially as a product of cell division. Cf . auxesis .
mitosis
the normal process of cell division. — mitotic , adj .
monad
any simple, single-cell organism. — monadic, monadical, monadal , adj .
neutrophile
a cell or tissue that accepts a stain from a neutral solution. — neutrophilous , adj .
osmosis
the process by which fluids pass through a semipermeable membrane into a solution of lower concentration to equalize the concentration on both sides of the membrane. — osmotic , adj .
phagocytosis
the action of phagocytes in ingesting and destroying cells.
trophoplasm
the form of protoplasm that constitutes the nutritive element of a cell. — trophoplasmic, trophoplasmatic , adj .
trophotropism
the movement of cells in relation to food or nutritive matter. — trophotropic , adj .

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