Lamina

(lam'-in-ah)., a plate or scale: Lamina. A descriptive term used to designate foliated structure. Also, any thin layer of bone, membrane, or other ti ue. L., Arcuate (of the cerebellum), a bundle of fibers uniting the contiguous convolutions of the cerebellum. L., Arcuate (of the cerebrum), a band of fibers uniting adjacent convolutions of the cerebrum. L. ascendens (of the palate bone), the vertical plate of the palate. L. axil is, the primitive streak of the blastoderm. L., Basal (of the placenta), the decidua serotina. L., Bowman's, the structurele membrane between the anterior layers of epithelium and the fibrous ti ue of the cornea of the eye. L. cacuminis, a narrow band connecting the posterior superior lobes of the cerebellum. L. of Cerebellum, the layers of white matter, covered externally with gray substance, that arise from the central white axis of the •cerebellum. L. chrotalis, the dermal plate or covering. L. cinerea. the connecting layer of gray matter between the corpus callosum and the optic chiasma; the term a. L. cinerea convoluta, the tuber cinereum. L. conarii, the lower lamella of the rece of the pineal gland. L. concharum, the inner surface of the lateral ma es of the ethmoid bone. L. connect ens, the posterior cerebral commi ure. L. connectiva, the colloderma, q. v. L. cortis, the membrana tectoria of the internal ear. L. cornea, a thickened band of the ependyma of the lateral ventricle covering the taenia semicircular is. L., Cribriform, the cribriform plate of the ethmoid. See also L. cribrosa of the Temporal Bone. L. cribrosa (of the choroid), in lower animals that portion of the choroid which is perforated for the pa age of the optic nerve. L. cribrosa (of the fascia lat a), the cribriform fascia covering the saphenous opening. L. cribrosa anterior, the anterior perforated space. L. cribrosa anterior inferior, the anterior part of the inferior fo ula, through which branches of the cochlear nerve pa . L. cribrosa media, the middle part of the inferior fo ula transmitting the branches of the auditory nerve going to the saccule. L. cribrosa posterior, the posterior perforated space. L. cribrosa of the Sclerotic, the perforated lamina through which the optic nerve enters the globe of the eye. L. cribrosa of the Temporal Bone, a small laminated bone forming the boundary of the internal auditor meatus. L. of the Cricoid Cartilage, the flat posterior plate of the cricoid cartilage.