LAMINA

(Lat.), n. f. Lasm(la3m)'i2n-a3. Fr., lame. Ger., L., Platte, Pldttchen. 1. A thin layer or lamella; as used by Haeckel, any one of the layers which overspread the whole germ (e. g., the epiblast). In the no of of a soliped, a plate-like structure upon the anterior face of the third phalanx. [L.] 2. The flat expanded portion of a leaf or petal. 3. The lamella (q. v., 2d def.) of agarics. [B, 1, 19, 121, 123 (a, 35).] Abdominal laminae. See Lateral mesoblastic PLATES. Basal 1. of the placenta. See Placental DECIDUA serotina. Bowman's 1. See Bowman's LAYER. Dorsal laminae. The dorsal ridges of the embryo. [L.] Embryonic terminal 1. The wall which closes the primary fore-brain in front. [Edinger (a, 29).] External medullary 1. The outer of two white laminae in the nucleus lentiform is. [a, 29.] Fibro cutaneous 1. See Parietal MESOBLAST. Fibro-intestinal 1. See Visceral MESOBLAST. Gray 1. See L. cinerea. Inferior 1. of the lemniscus. See Inferior LEMNISCUS. Inner medullary 1., Internal medullary 1. Lat., I. medullar is inlerna. Ger., innersle L., L. medullar is des Thalamus. A layer of fibres which pa from the thalamus to the red nucleus. [Edinger (a, 29).] Involuted medullary 1. Lat., 1. medullar is involuta. See L. medullar is. L. acce or i a. See FOLIUM acce orium. L. apothecii. See L. pro liger a. Laminae arcuatae cerebelli. Bundles of white fibres which pa from the lamina a medulla res and appear to unite neighboring gyri in the cerebellum. [L, 332 (a, 29).] Laminae arcuatae cerebri, Laminae arcuatae gyrorum. See Arciform FIBRES. L. ascendens o is palati. See Vertical PLATE of the palate. L. axil is. See Axial PLATE. L.. cacuminis (vermis superior is). See FOLIUM cacuminis. L. cart i lag in is cricoideae. The flat, plate-like, posterior portion of the cricoid cartilage. [L, 333.] Lamina cart i lag in is thyreoideae. The alee of the thyreoid cartilage. [L.] L. cellulosa submucosa. See Submucous areolar TISSUE. L. central is. See FOLIUM centrale.L*. chorioidea. 1. See Chorioid PLEXUS. 2. See SEPTUM lucidum.'L.. chorioidea inferior. The chorioid plexus of the fourth ventricle. [I, 3 (K).] L. chorioidea lateral is. See Chorioid PLEXUS of the lateral ventricle. I,, chorioidea superior. See SEPTUM lucidum. L. ciliaris. Fr., lame ciliare. See Ciliary ZONE. L. ciliaris retinae. See ZONULA of Zinn. L. cinerea. Fr., lame cendree (ou grise), lamelle grise. Ger., graue Platte (oder Schicht). Syn.: eminent i a cinerea, corpus cinereum. A thin layer of gray matter situated between the corpus callosum and the optic chiasm, connected with the tuber cinereum superiorly and with the anterior perforated spaces laterally. It forms a part of the inferior boundary of the third ventricle. [I, 3 (K).] Cf. STRATUM cinereum. L. cinerea convoluta. See TUBER cinereum. L. cinerea fo ae rhomboidal is. A layer of gray substance in the floor of the fourth ventricle. [L, 115 (a, 29).] L. cinerea terminal is. See L. cinerea. L. conarii. Ger., unteres Mark blatt der Zirbeldruse. Of Schwalbe, the inferior lamella of the rece us conarii. [I, 17 (K).J Lamia; concharum. The internal surfaces of the lateral ma es of the ethmoid bones. Thev are plate-like, united above with the cribriform plate, are perforated and grooved for branches of the olfactory nerve, and from them spring the middle and superior turbinated bones. [L, 31, 142, 333]. L. coiinectens. The posterior cerebral commi ure. [I, 3 (K).] L. cornea. Fr., lame cornee (1st def.). Ger., Horns treif (1st def.). 1. A circumscribed thickening of the membrane lining the lateral ventricle of the brain at a point opposite the vena corp or is striati. [I, 72 (K).] 2. See PONS Tarini.'L,. cornea tasnia;. See T^ENIA fornicis. L. Cortii. See MEMBRANA tectoria. Laminae cranii extern a. The outer table of the cranial bones. [L.] Laminae cranii intern a (seu U", blue; U8, lull; U, full; U5, urn; U', like u (German). [s. 573]