| EBM | electrophysiologic behavior modification; epidermal basement membrane; evidence-based medicine; expr... |
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| ECMO | enteric cytopathic monkey orphan [virus]; extracorporeal membrane oxygenation |
| ELM | external limiting membrane; extravascular lung mass |
| EMA | electronic microanalyzer; emergency medical assistance, emergency medical assistant; endothelial mon... |
| FAMA | Fellow of the American Medical Association; fluorescent antibody to membrane antigen |
| lateral cartilaginous layer | The narrow lateral portion of the cartilaginous part of the auditory tube. Synonym: lamina lateralis cartilaginis tubae auditivae, lamina cartilaginis lateralis tubae auditivae, lateral cartilaginous layer, lateral layer of cartilaginous auditory tube. (05 Mar 2000) |
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| lateral layer of cartilaginous auditory tube | The narrow lateral portion of the cartilaginous part of the auditory tube. Synonym: lamina lateralis cartilaginis tubae auditivae, lamina cartilaginis lateralis tubae auditivae, lateral cartilaginous layer, lateral layer of cartilaginous auditory tube. (05 Mar 2000) |
| latticed layer | A cortical cell layer in the hippocampus. (05 Mar 2000) |
| layer | 1. One who, or that which, lays. 2. [Prob. A corruption of lair] That which is laid; a stratum; a bed; one thickness, course, or fold laid over another; as, a layer of clay or of sand in the earth; a layer of bricks, or of plaster; the layers of an onion. 3. A shoot or twig of a plant, not detached from the stock, laid under ground for growth or propagation. 4. An artificial oyster bed. See: Lay to cause to lie flat. Source: Websters Dictionary (01 Mar 1998) |
| layer of Bechterew | A band of horizontal myelinated fibres in the most superficial part of the third layer of the isocortex. Synonym: Bechterew's band, layer of Bechterew, line of Bechterew, line of Kaes. (05 Mar 2000) |
| layer of piriform neurons | The layer of Purkinje cells between the molecular and granular layers of the cerebellar cortex. Synonym: stratum neuronorum piriformium, ganglionic layer of cerebellar cortex, layer of piriform neurons, Purkinje's layer, stratum gangliosum cerebelli. (05 Mar 2000) |
| layer of rods and cones | The layer of the retina next to the pigment layer and containing the visual receptors. See: retina, granular layers of retina, neuroepithelial layer of retina. Synonym: bacillary layer. (05 Mar 2000) |
| fusiform layer | Layer 6 of the cortex cerebri. Synonym: multiform layer, polymorphous layer, spindle-celled layer. (05 Mar 2000) |
| longitudinal layer of muscular coat | The outer, longitudinal layer of the smooth muscle of the muscular coat. Nomina Anatomica lists longitudinal layers of muscular coats (stratum longitudinale tunicae muscularis...) of the following: 1) colon (... Coli ); 2) rectum (... Recti ); 3) small intestine (... Intestini tenuis ); 4) stomach (... Gastrici ). Synonym: stratum longitudinale tunicae muscularis gastricae, stratum longitudinale tunicae muscularis. (05 Mar 2000) |
| adamantine membrane | The primary enamel cuticle, consisting of two extremely thin layers (the inner one clear and structureless, the outer one cellular), covering the entire crown of newly erupted teeth and subsequently abraded by mastication; it is evident microscopically as an amorphous material between the attachment epithelium and the tooth. Synonym: cuticula dentis, adamantine membrane, dental cuticle, membrana adamantina, Nasmyth's cuticle, Nasmyth's membrane, skin of teeth. (05 Mar 2000) |
| allantoid membrane | An embryonic diverticulum of the hindgut of reptiles, birds, and mammals; in man its blood vessels give rise to those of the umbilical cord. (12 Dec 1998) |
| alveolocapillary membrane | The pulmonary diffusion barrier. (05 Mar 2000) |
| alveolodental membrane | <anatomy> Fibrous connective tissue surrounding the root of a tooth that separates it from and attaches it to the alveolar bone. (12 Dec 1998) |
| anal membrane | The dorsal portion of the embryonic cloacal membrane after its division by the urorectal septum. Anterior atlanto-occipital membrane, the fibrous layer that extends from the anterior arch of the atlas to the anterior margin of the foramen magnum. Synonym: membrana atlanto-occipitalis anterior. (05 Mar 2000) |
| anisotropic membrane | This type of synthetic membrane has an asymmetric pore structure: a thinfilm with tight pores backed by a thicker film with wider pores. Thistype of membrane is used for ultrafiltration andreverse osmosis, the porous side faces the feed stream and the tight-pored side faces the product stream. (09 Oct 1997) |