a cell forming part of a reticulum; spec. a relatively undifferentiated, often pluripotential cell associated with reticular fibres in loose…

literal. A small rounded swelling or bulge: (a) each of the minute rounded cells of various fungi or microbes, as the yeast-plant and certain…

a relatively undifferentiated cell that participates in the renewal or regeneration of tissue, esp. epithelial tissue; (also) a chromophobe cell…

A cell within a cell, or a subdivision of a cell (in various senses).

a cell forming a pedicel, esp. that supporting the antheridium in certain green algae of the class Charophyceae.

= cnidoblast n. at cnida, n.

a cell of exceptional structure or form found in certain algæ and fungi.

any of the cells forming the intermediate layer of squamous epithelium, characterized by numerous intercellular connections (desmosomes) appearing…

Embryology and Physiology. A type of cell involved in the formation of blood vessels; spec. a precursor of an endothelial cell.

any cell forming part of a palisade, esp. that of a leaf.

Botany. Each of a group of six cells or segments.

a narrow, elongated cell; spec. one in the blood of some lower vertebrates analogous to the platelet in mammals; frequently attributive (cf. spindle-…

An embryonic or poorly differentiated neuron.

a cell forming part of the body of an organism; spec. a somatic cell (as opposed to a germ cell).

In early use: any of several kinds of inflammatory cell with abundant cytoplasm, found in connective tissue. Later: spec. a fully differentiated…

†(a) Zoology a compartment of the inner surface of the reticulum of a ruminant (obsolete rare); (b) Histology a reticular, reticuloendothelial, or…

(a) a cell in the stem of an organism (nonce-use); (b) a cell of a multicellular organism which is capable of giving rise to indefinitely more…

Used attributively, in the possessive, and with of-adjunct to designate: (a) (a cell of) an inner layer of large cuboidal cells, one cell thick…

Histology. Any of the relatively undifferentiated cells that form the lowest layer of the epidermis or other epithelium. Frequently attributive.

(in certain invertebrates) any of certain cells at the posterior end of the embryo from which germ cells develop.

A cell normally found in the bone marrow that is derived from the myeloblast and that is the precursor of the granulocytes of the circulating blood.

a small organ of balance and orientation in some aquatic invertebrates, consisting of a sensory vesicle or cell containing statoliths.

A cell filled with metachromatic granules, which is derived from a stem cell in bone marrow and occurs in connective tissue, where it releases…

Originally: a type of nucleated, spindle-shaped cell found in non-mammalian vertebrates which serves the same function in blood clotting as the blood…

A cell which refracts light to cause iridescence, found in the skin of fishes, cephalopods, and certain other animals.

Biology and Medicine. A cell which gives rise to another by differentiation.

any cell whose function appears to be to support or nourish another cell, esp. an ovum.

An amacrine cell (see B. below).

each of the cells or cysts containing statoliths.

A mononuclear cell; a monocyte or lymphocyte.

Pathology. A small oval cell with a darkly staining nucleus and scanty cytoplasm, thought to resemble an oat grain, characteristic of small cell…

A primitive precursor of a white blood cell, normally confined to the bone marrow; spec. the earliest recognizable precursor of the granulocytic…

one of the embryonic cells giving rise to the prototroch in the trochophore larva of marine annelids.

A type of connective tissue cell which is specialized for the synthesis and storage of fat (predominantly as triglyceride).

Biology and Medicine. A polynuclear cell; spec. a polymorphonuclear leucocyte.

an inactive fibroblast.

A cell lacking a distinct nucleus.

= pericyte, n.

attributive. = Reed–Sternberg, n.

= satellite cell at satellite, n. 8.

An immature monocyte.

Any of various flattened branching cells found within the walls of capillary blood vessels.

A cell intermediate in development between a myeloblast and a myelocyte. Cf. earlier premyelocyte, n.

A specialized neuroglial cell characteristic of the neurohypophysis (posterior part of the pituitary gland).

A non-sexual reproductive cell in a mesozoan.

(plural) undifferentiated embryonic cells of the sympathetic nervous system which give rise to sympathoblasts; also used as singular.

A cell having the property of absorbing and retaining solid particles.

Biology and Medicine. = precursor, n. 4. Also progenitor cell.

attributive. Designating a type of giant cell characteristic of Hodgkin's disease, typically having two mirror-image nuclei with prominent…

Zoology. A submarginal part; esp. a submarginal cell in an insect's wing.

a cell of the islets of Langerhans which produces the hormone somatostatin.

= mast cell, n.

Medicine. A squamous cell (see squamous, adj. 8).

An epithelial cell in the kidney with many branching tentacle-shaped processes that interlock with those of other such cells, enveloping the…

a eukaryotic cell which has undergone transformation (transformation, n. 3i).

(a) A transformed bacterium (see transform, v. 1f). (b) = transformed cell n. at transformed, adj. b.

a bacterium or plant cell bound by its plasma membrane, the cell wall being deficient or lacking and the whole having a spherical form.

A parenchymal cell of the pineal gland.

A cell, esp. a lymphocyte, that is capable of producing an immune response.

Any cell in the anterior pituitary which secretes prolactin; a mammotroph.

A lactotroph (prolactin-secreting cell) of the mammalian adenohypophysis.

A small bacterial cell containing no nuclear material, produced during cell division in a particular strain of Escherichia coli.

(in certain organisms, esp. cyanobacteria) an immature or incipient heterocyst.

A fibroblast showing some morphological and functional characteristics of a smooth muscle cell; a contractile fibroblast.

A hybrid cell produced artificially by the fusion of two cells of which one lacks a nucleus; an organism developed from such a cell. Also attributive…