Protoplasmic astrocyte
protoplasmic astrocyte n.
An astrocyte found in the gray matter of the brain, having few fibrils and numerous branching processes.
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noun 1. Biology. the contents of a cell within the cell membrane, considered as a fundamental entity. the primordial living unit or cell. 2. a person or thing that is formed first; original; prototype. 3. the hypothetical first individual or one of the supposed first pair of a species or the like. noun 1. a […]
- Protopodite
noun, Zoology. 1. the basal portion of a two-branched crustacean leg or other appendage.
- Protopope
noun 1. the ranking priest in a cathedral of the Eastern Church.
- Protoporphyria
protoporphyria pro·to·por·phyr·i·a (prō’tō-pôr-fēr’ē-ə) n. Enhanced fecal excretion of protoporphyrin.
- Protoporphyrin
/ˌprəʊtəʊˈpɔːfɪrɪn/ noun 1. a type of porphyrin that, when combined with an iron atom, forms haem, the oxygen-bearing prosthetic group of the red blood pigment haemoglobin protoporphyrin pro·to·por·phy·rin (prō’tō-pôr’fə-rĭn) n. A metal-free porphyrin that combines with iron to form the heme of iron-containing proteins.