MEMBRANE

n. Me2m'bran. Gr., /urji'iyf, v^v. Lat., membrana (from membrum, a member). Fr., m. Ger., M., Membran, Haut. It., Sp., membrana. 1. A thin expansion of ti ue; a sheetlike organized structure. 2. In the pi., in obstetrics, see Foetal ENVELOPES. Accidental m. Fr., m. acc i dentelle. See False m. Adventitious in. Lat., membrana adventitia. Fr., m. advent ice. See ADVENTITIA (1st def.). Albugineous m. See ALBUGINEA. Albumin in. [Ascherson]. See Hap toge no us m.Amphiblestroid m. Lat., membrana a mph i blest rodes. Fr., m. amphiblestro'ide. The retina. [D, 90.] An his to us m. Fr., m. anhiste. See DECIDUA. Animal in 's. The foetal envelopes. [A, 37.] Arachnoid m. See ARACHNOID. Araneous ni. of the eye. See Hyaloid m. and ARACHNOID of the eye. Articular synovial in. A synovial m. lubricating a diarthrodial articulation. These m's cover the inside of the capsule of the joint and any contained ligaments. They do not pa over the cartilages of the joint, but are firmly adherent to them; they do not therefore form a closed cavity, as was formerly supposed. [C.] Ascherson's in. See Hap toge no us m. Basal m., Basement m. Lat., membrana basiluris (propria). Fr., m. basal, m. basilaire. Ger., Basal mem bran. See MEMBRANA propria. Basement m. of a hair follicle. See Vitreous m. (1st def.). Basement m. of a serous m. A distinct m. lying under the endothelium of a serous m. [Bizzo zero (C).] Basement m. of Bowman (in the skin). See MEMBRANA propria. Basement in. of the chorioid. See Brucli's m. Basis m. Ger., Grund mem bran. See Intermediate DISC. Blastodermic m. Lat., membrana blastodermic a. Fr.,?ii. blastoderm i que. See BLASTODERM. Bowman's in. See Bowman's LAYER. Branchiostegal m. The portion of the gills of fishes supported by the branchiostegal rays. [L.] Bruch's m. ii ., membrana Bruchii. The external layer of the chorioid. [L.] Bursal synovial in. See BURSA mucosa. Caducous in. Lat., membrana caduca. Fr., m. caduque. See DECIDUA. Capsular in. Lat., membrana capsular is. Fr., m. capsulaire. Ger., Kapselmembran. 1. See CAPSULE of a cartilage-cell. 2. See Mother-CELt.. 3. See Capsular LIGAMENT. 4. The m. inclosing the crystalline lens in foatal life. [L.] Capsular in. of the knee. Lat., membrana capsular is genu. Fr., m. capsulaire du genou. Ger., Kapselmembran des Knies. See Capsular LIGAMENT of the knee. Capsulo-pupillary in. Lat., membrana capsulo-pupillar is. Fr., m. capsulo - pupillaire. Ger., Kapselpupillarmembran. See MEMBRANA pupillar is. Cell-m. See under CELL. Cerebral m's. See DURA, ARACHNOID, and PIA. Chalaziferous in. See MEMBRANA chalazifera. Chorio-capillary m. Lat., membrana chorio-capillaris. Ger., Cho rio cap ill are Membran. See MEMBRANA ruyschiana. Chorioid in. Lat., membrana chorioides (seu chorioidea). Fr., m. chorioide. 1. See CHORIOID. 2. See Chorioid PLEXUS. Corti's in. Lat., membrana Cortii. Fr., m. de Corti. Ger., CortCsche Haut. See ORGAN of Corti. Cos to coracoid m. See Costo-coracoid FASCIA. Crico-thyreoid m. Lat., membrana crico-thyreoidea. Fr., m. cricothyreoidienne, m. cricothyroidienne. The ligamentous in. which connects the thyreoid and cricoid cartilages. [C.] Croupo-purulent in. A membranous exudation occurring in diphtheria, especially of the throat and air pa ages, under which the mucous m. and in many cases the underlying ti ues are interrupted by haemorrhages and infiltrated with pus. [D, 3.] Croupous m. Fr., m. croupeux. Ger., croupose Membran. A m. resulting from fibrinous exudation, usually upon mucous m's, and occurring most commonly upon the mucous m's of the tonsils, gums, throat, and air pa ages. It may be either homogeneous or reticulated, resembles freshly coagulated fibrin, and at first adheres closely to the underlying ti ue. As the inflammation continues, retrogre ive changes in the membrane take place, it becomes loosened, and falls off. [D, 3.J Cuticular m. See Cuticidar LAYER. Debove's m. See Sub epithelial ENDOTHELIUM. Demours'sm., Descemet's m. See M. of Descemet. Diphtheritic in. See Croupo-purulent m. Drum-m. See MEMBRANA tympani. Dutrochet's in. Fr., m. de Dutrochet. See MEMBRANA chalazifera. Dysmenorrhcfial in. The m. detached in membranous dysmeno'rrhosa. [a, 34.] Egg-m. See under EGG. Elastic m. A m. composed largely of elastic ti ue; it is often fenestrated. [J.] Electric m. The finely fibrillated or homogeneous m. on which rests the nerve-membrane in the disc of the electric organ of the skate. [J. 124.] Elytroid in. Fr., m. eli/tro'ide. The external fibres of the cremaster muscle covering the testis. [L, 87 (a. 39).] See also TUNICA vaqinalis. Enamel m. (of the teeth). Fr., TO. de Vemail. See CUTICULA O, no; O", not; O", whole; Th, thin; Th2, the; U, like oo in 287 [s. 739]