| lamina limitans posterior corneae | A transparent homogeneous acellular layer between the substantia propria and the endothelial layer of the cornea; considered to be a highly developed basement membrane. Synonym: lamina limitans posterior corneae, membrana vitrea, Descemet's membrane, Duddell's membrane, entocornea, hyaloid membrane, lamina elastica posterior, limiting layers of cornea, membrana hyaloidea, posterior elastic layer, tunica vitrea, vitreous membrane. (05 Mar 2000) |
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| lamina lucida | The lightly staining layer of the basement membrane in contact with the plasmalemma of epithelial cells or other cells having an investment of basement membrane. (05 Mar 2000) |
| lamina medialis cartilaginis tubae auditivae | The broad medial portion of the cartilaginous part of the auditory tube. Synonym: lamina medialis cartilaginis tubae auditivae, lamina cartilaginis medialis tubae auditivae, medial cartilaginous layer, medial layer of cartilaginous auditory tube. (05 Mar 2000) |
| lamina medialis processus pterygoidei | The smaller and more medial of the two bony plates extending downward from the point of union of the body and greater wing of the sphenoid bone on either side. Ending inferiorly in the pterygoid hamulus. Synonym: lamina medialis processus pterygoidei, medial plate of pterygoid process. (05 Mar 2000) |
| lamina medullaris lateralis corporis striati | A thin, sharply defined layer of fibres separating the putamen from the globus pallidus. Synonym: lamina medullaris lateralis corporis striati. (05 Mar 2000) |
| lamina medullaris medialis corporis striati | A fibre layer separating the medial and lateral segments of the globus pallidus. Synonym: lamina medullaris medialis corporis striati. (05 Mar 2000) |
| lamina membranacea cartilaginis tubae auditivae | The connective tissue membrane that, with the lateral lamina, completes the lateral and inferior walls of the cartilaginous part of the auditory tube. Synonym: lamina membranacea cartilaginis tubae auditivae, membranous layer. (05 Mar 2000) |
| lamina modioli | A bony plate, the continuation of the modiolus and of the septum between the convolutions of the spiral canal of the cochlea extending upward toward the cupola, forming with the hamulus the helicotrema. Synonym: lamina modioli. (05 Mar 2000) |
| lamina muscularis mucosae | The thin layer of smooth muscle found in most parts of the digestive tube located outside the lamina propria mucosae and adjacent to the tela submucosa. Synonym: lamina muscularis mucosae, muscular layer of mucosa. (05 Mar 2000) |
| lamina of cricoid cartilage | A quadrate plate forming the posterior part of the cricoid cartilage. It resembles the shield of a signet ring, the arch of the cricoid representing the remainder of the ring. Synonym: lamina cartilaginis cricoideae. (05 Mar 2000) |
| lamina of lens | One of a series of concentric layers composed of the lens fibres that make up the substance of the lens. (05 Mar 2000) |
| lamina of mesencephalic tectum | The roofplate of the mesencephalon formed by the quadrigeminal bodies. Synonym: lamina tecti mesencephali, tectum mesencephali, lamina quadrigemina, quadrigeminal lamina, quadrigeminal plate. (05 Mar 2000) |
| lamina of Rexed | A division of the gray matter of the spinal cord into nine laminae (I-IX) and a gray area around the central canal (area X) based on cytoarchitectural features; the dorsal (posterior) horn is composed of laminae I-VI, the intermediate zone of lamina VII, and the ventral horn of laminae VIII and IX; general correlation of laminae with major nuclei: I, posteromarginal nucleus; II, substantia gelatinosa; III, IV, nucleus proprius (posterior); V, VI, nucleus proprius (anterior); VII, Clarke's nucleus, intermediolateral cell column; VIII, commissural nuclei, interneurons; IX, motor nuclei of ventral horn. (05 Mar 2000) |
| lamina of septum pellucidum | One of the two thin layers of the transparent septum, which extend from the corpus callosum to the fornix; often separated from each other by a space, the cavity of septum pellucidum. Synonym: lamina septi pellucidi. (05 Mar 2000) |
| lamina of thyroid cartilage | One of the paired (dextra et sinistra) thin quadrilateral plates of the thyroid cartilage that are joined anteriorly and form an open angle posteriorly. Synonym: lamina cartilaginis thyroideae. (05 Mar 2000) |