lam'ina, pi. lam'ina

[L.] i. thin plate or flat layer. 2. The neurapophysis, or flattened portion of either side of a vertebral arch. 3. One of the folds, about 500 in number, of the horse's hoof, forming the matrix from which the horn, or crust, of the hoof is developed. 4. In botany, the expanded portion of a leaf. plate in the floor of the pars central is of the lateral ventricle, adherent to the superior surface of the thalamus. brane, Henle's membrane, the transparent, nearly structurele inner layer of the chorioid in contact with the pigmented layer of the retina. tube, a broad strip on the ventral surface. Ruysch's membrane, the middle layer of the chorioid, composed of a very close capillary network. a. cerebral ventricle. layer, the thin epithelial layer lining the roof of the third and also of the fourth ventricle. bone; a horizontal lamina from which are suspended the lateral ma , or labyrinth, on either side and the lamina perpendicular is in the center; it fits into the ethmoidal notch of the frontal bone and supports the olfactory lobes of the cerebrum, being pierced with numerous openings for the pa age of the olfactory nerves. portion of the sclera through which pa the fibers of the optic nerve. thelium along the margin of the gum, in the embryo, from which the enamel organ is developed. serrated edge of the lamina spiral is o ea. Bowman's membrane, a thin stratum, of the cornea ' lying immediately beneath the outer layer of stratified epithelium between it and the subs tanti a propria. Descemet's membrane, membrane of Demours, a thin structurele membrane between the subs tanti a propria and the endothelial layer of the cornea. outer compact layer of the cranial bones. inter pubic us. the cartilaginous layer (usually o iiied) at the symphysis pubis. 537 fus'ca [L. fusc us, brown] [BNA], brown layer, a lamina. n layer of loose, pigmented connective ti ue on the ler surface of the sclera, connecting it with the >rioid. la'mine. inter'na [BNA], inner table of the skull, the inner. npact layer of the cranial bones. Ulatera'Us^l.media'liSr proceB'su8pterygoid'ei[BNA], 3 external and internal pterygoid plates, two bony ites extending downward from the point of union of laminec'to my. B body and greater wing of the sphenoid bone on her side, laminitis am'inse medulla'res [BNAJ, (i) layers of white subince seen on section of the cerelaellum; (2) layers of ite substance seen on section of the thalamus, the ex•nal being between the internal capsule and the outer lamnec'to my. iface, the internal between the lateral and mesial Lamotte's' clei. lam'pas lam'inae medulla'res thal'ami, the medullary layer the thalamus, sheets of white fibers, covering the rface and separating the nuclei of the thalamus, lamp'black. rmed by the fibers of the thalamic radiation. modi'oU [BNA], plate of the modiolus, a bony,. lam pro phon i a ite, the continuation of the modiolus and of the sepm between the convolutions of the spiral canal of 3 cochlea extending upward toward the cupola, form with the hamulus the helicotrema. lamprophon'ic. l papyra'cea [BNA], paper plate or papyrus, orbital Lamus. ite of the ethmoid bone, os planum; a thin plate of me bounding externally the ethmoidal labyrinth on;her side and forming a portion of the inner wall of e orbit. perpendicula'ris [BNA], perpendicular or vertical. ite of the ethmoid bone; a thin plate of bone, projectlamziekte j above the horizontal plate to form the crista gall i d depending from it between the two lateral ma es; articulates with the crest of the sphenoid, the vomer, e cart i lag i not is nasal septum, the nasal spine of the 3ntal, and the nasal bones. quadrigem'ina[BNAl,quadrigeminal layer, alayer L, rmed by the quadrigeminal bodies, resting on the:atum griseum centrale, and separating it from the lanain rface of the mesencephalon; a crucial fi ure marks lana the four eminences on the surface called corpora: Ladrigemina. 1. reticula'riB, reticular plate, membrana reticular is., rostra'lis [BNA], rostral lamina or layer, the thin rminal portion of the rostrum of the corpus callosum lance ing down in front of the anterior commi ure to the terior perforated substance and the subcallosa gyrus. ' spira^Us os's ea [B NA], o eous spiral lamina, a I. uble plate of bone winding spirally around the modiodividing the spiral canal of the cochlea incomj;tely into two, scala tympani and scala vestibuli; tween the two plates of this lamina the fibers of the chlear nerve reach the organ of Corti. 1. spira'Iis 8ecunda'ria» secondary spiral plate, a ridge the outer wall of the first turn of the cochlea oppot se the lamina spiral is. „ supra chorioid'ea [BNA], supra chorioid layer, a irer of loose, pigmented connective ti ue on the outer rface of the chorioid, resembling and attached to the nina fusc a of the sclera. 1. Bupraneuropor'ica, the part of the membranous roof the diencephalon covering the foramen of Monro, 1. term in a'lis [BNA], terminal plate, 1, cinerea, t^rmly thin plate pa ing upward in front of the optic chiasm id forming the anterior wall of the third ventricle. I. tra'gi [BNA], 1. of the tragus, a 1 ongitudinala, rved lamina of cartilage, the beginning of the cartijinous portion of the external auditory meatus. [. vasculo'sa [BNA], vascular layer, the outer portion the chorioid containing the largest blood-ve els. 1. vifrea [L. vitrewi, gla y], Bruch's membrane, the ner layfir of the chorioid, 1. basal is. 'inar. Arranged in plates or laminae relating to; ly lamina. [nana (lam-i-na'rf-ah). The base of the thallus lan'cet ' Laminaria cloustoni, sea girdle, seastafl, a, seaeed of the coasts of North America and of estem Europe; formerly employed, when dried, a tent for dilating the canal of the cervix uteri! id sinuses. 'inated. Laminar. LANCET 'tion. i. An arrangement in the form of plates or laminae. 2. Embryotomy by removing the head in slices. An alkaloid from Lamium album, the white-flowered dead-nettle, the salts of which are said to be hemostatic when taken internally or by hypodermic injection. + ]L. lamina G. ektome, excision.] Removal of one or more laminas of the vertebrae. (lam-in-i'(eOtis). i. Inflammation of any lamina. 2. Pounder in horses, inflammation of the laminae of the hoof. Laminectomy drops. Tinctura ferri chlorid i (N.P.). A [Fr.] slight inflammation and swelling of the fleshy ridges on the roof of the mouth of the horse. A fine soot, obtained from burning resin or oil. (lam-pro-fo'ni-ah) [G. lampros, clear, bright, + phone, voice.] Marked clearne or distinctne of voice. Clear voiced. A (la'mus). genus of bugs of the family ReduviidcB, resembling Conorhinus, L. meg is'- tus, a species which is the carrier of Tryp a no soma cruz i, the pathogenic agent of South American trypanosomiasis. (lahm'zek-teh) [D. lam, lame, + A ziekte, sickne .] disease of cattle in South Africa, marked by a waddling gait, arching of the back, and paralysis of the muscles of deglutition in chronic forms the animal loses; weight; there are no characteristic postmortem appearances. (lan'ah-in). Trade name of a prepared lanolin. kerol (lah'nah ke'rol). Trade name of a bactericidal preparation, said to be an oxidized diphenyl compound, used in the treatment of skin diseases. [L. lance a, a. slender spear,] i. To incise a part, as an absce or boil. 2. A lancet. Lancer eaux's diabe'tes (lahn-s6-ro') [Etienne Lo»- cereaux, Paris i an physician, 1 82 9-1 910.] Diabetes mellitus accompanied with extreme emaciation, often a ociated with pancreatic diseaseL.'s meth'od, treatment of internal aneurysm by subcutaneous injections of gelatin. L.*s nephri'tis, rheimiatic interstitial nephritis Thumb-lancet. A [Fr. lancette.] surgical knife with a short, wide, sharp-pointed, two-edged blade, gum 1., a 1. used for incising the gum over the crown of an erupting tooth, spring one the blade of 1., which is set in the handle with a spring, thumb 1., a, 1. with short flat blade which folds back, when closed, between two plates of the handle.