n. [ Neuro- + Gr. koi^los a hollow. ] (Anat.) The central canal and ventricles of the spinal cord and brain; the myelencephalic cavity. [ 1913 Webster ]
n. [ Neuro- + cord. ] (Zool.) A cordlike organ composed of elastic fibers situated above the ventral nervous cord of annelids, like the earthworm. -- Neu`ro*cor"dal a. [1913 Webster]
a. [ Neuro- + epidermal. ] (Anat.) Pertaining to, or giving rise to, the central nervous system and epidermis; as, the neuroepidermal, or epiblastic, layer of the blastoderm. [ 1913 Webster ]
‖n. [ NL., fr. Gr. ney^ron ligament + gli`a glue. ] (Anat.) The delicate connective tissue framework which supports the nervous matter and blood vessels of the brain and spinal cord; called also Kölliker's reticulum. It is composed of cells which are not neurons. Once thought to serve merely a supporting funciton, they are now believed to have important metablolic functions. Among them are the astrocytes, ependymal cells, oligodendroglia cells, and microglia cells. Stedman. [ 1913 Webster +PJC ]
n. [ Neuro- + keratin. ] (Physiol. Chem.) A substance, resembling keratin, present in nerve tissue, as in the sheath of the axis cylinder of medullated nerve fibers. Like keratin it resists the action of most chemical agents, and by decomposition with sulphuric acid yields leucin and tyrosin. [ 1913 Webster ]
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