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/əˈpendəmə/ Noun, pl. epyendymas 1. The thin epithelial membrane lining the ventricular system of the brain and the spinal cord. Ependyma is one of the four types of neuroglia in the central nervous system. It is involved in the production of cerebrospinal fluid (CSF). ( 2. The thin membrane of glial cells lining the ventricles of the brain and the central canal of the spinal cord. (Google Dictionary) 3. Thin epithelial membrane lining the ventricles of the brain and the spinal cord canal. ( Word origin: From Ancient Greek ἐπένδυμα (ependuma), from ἐπενδύειν (ependuein), from ἐπί (epi, “over”) + ἐν (en, “on”) + δύειν (duein, “to...

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Noun 1. A skin fold of the upper eyelid, covering the inner corner (medial canthus) of the eye. ( 2. A skin fold of the upper eyelid, typical to East Asians. ( 3. A vertical fold of skin over the nasal canthus; normal for Mongolian peoples; sometimes occurs in Down’s syndrome. ( 4. A vertical fold of skin on either side of the nose, sometimes covering the inner canthus; a normal characteristic in persons of certain races, but anomalous in others. (Dorland’s Medical Dictionary for Health Consumers) Syn: Epicanthic fold, epicanthal fold, plica palpebronasalis, palpebronasal fold, or simply eye fold Word origin: Gk, epi + kanthos, lip of a...

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/ˌepiˈkärdēəm/ Noun, pl. epicardia 1. Describes the outer layer of heart tissue. When considered as a part of the pericardium, it is the inner layer, or visceral pericardium, continuous with the serous layer. ( 2. A serous membrane that forms the innermost layer of the pericardium and the outer surface of the heart. (Google Dictionary) 3. The innermost of the two layers of the pericardium. ( Word origin: From Greek; epi- outer, cardium...

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