| theca externa | <embryology> The external fibrous layer of the theca of a well-developed vesicular ovarian follicle; the cells and fibres are arranged in a concentric fashion. Synonym: theca externa. (05 Mar 2000) |
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| epicondylalgia externa | <rheumatology> Inflammation at the lateral epicondyle (bony process of the humerus) of the elbow and the tendons insertions. It has earned the name tennis elbow because of the common occurrence of this condition in tennis players (constant dorsiflexion of the wrist). See: medial epicondylitis. (13 Jan 1998) |
| tunica externa | <anatomy> The outer of two or more enveloping layers of any structure, specifically, the outer fibroelastic coat of a blood or lymph vessel. Synonym: tunica extima. (05 Mar 2000) |
| tunica externa oculi | The outer layer of the eyeball composed of the sclera and cornea. Synonym: tunica fibrosa bulbi, tunica externa oculi. (05 Mar 2000) |
| tunica externa thecae folliculi | <embryology> The external fibrous layer of the theca of a well-developed vesicular ovarian follicle; the cells and fibres are arranged in a concentric fashion. Synonym: theca externa. (05 Mar 2000) |
| facies externa | The outer convex surface of either the frontal or the parietal bone. Synonym: facies externa. (05 Mar 2000) |
| facies externa ossis frontalis | The convex outer surface of the frontal bone. Synonym: facies externa ossis frontalis. (05 Mar 2000) |
| facies externa ossis parietalis | The convex outer surface of the parietal bone. Synonym: facies externa ossis parietalis. (05 Mar 2000) |
| fascia spermatica externa | The outer fascial covering of the spermatic cord; it is continuous at the superficial inguinal ring with the fascia covering the external oblique muscle. See: aponeurosis of external abdominal oblique muscle. Synonym: fascia spermatica externa. (05 Mar 2000) |
| lamina externa cranii | The outer compact layer of the cranial bones. Synonym: lamina externa cranii. (05 Mar 2000) |
| membrana | Synonym: biomembrane. Origin: L. (05 Mar 2000) |
| membrana abdominis | <anatomy> The smooth serous membrane which lines the cavity of the abdomen, or the whole body cavity when there is no diaphragm, and, turning back, surrounds the viscera, forming a closed, or nearly closed, sac. Alternative forms: peritonaeum. Origin: L. Peritoneum, peritonaeum, Gr, fr. To stretch all around or over; around + to stretch. Source: Websters Dictionary (01 Mar 1998) |
| membrana adamantina | 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) |
| membrana adventitia | The outermost connective tissue covering of any organ, vessel, or other structure not covered by a serosa; instead, the covering is properly derived from without (i.e., from the surrounding connective tissue) and does not form an integral part of such organ or structure. Synonym: tunica adventitia, membrana adventitia. Origin: L. Adventicius, coming from abroad, foreign, fr. Ad, to + venio, to come (05 Mar 2000) |
| membrana atlanto-occipitalis anterior | anterior atlanto-occipital membrane |