inner membrane
61nictitating membrane — noun Date: 1713 a thin membrane found in many vertebrates at the inner angle or beneath the lower lid of the eye and capable of extending across the eyeball …
62unit membrane — noun Date: 1959 the limiting membrane of cells and various organelles viewed formerly as a 3 layered structure with an inner lipid layer and two outer protein layers and currently as a fluid phospholipid bilayer with intercalating proteins …
63basement membrane — 1. The noncellular membrane underlying the epidermal cells of the body wall that separates it from the body cavity. 2. (ARTHROPODA: Insecta) Applied also to the inner surface of the eye; the basilemma …
64nictitating membrane — a thin membrane, or inner or third eyelid, present in many animals, capable of being drawn across the eyeball, as for protection. [1705 15; NICTATE + ING2] * * * …
65hyaline membrane — 1. the membrane between the outer root sheath and the inner fibrous layer of a hair follicle. Called also glassy m. 2. a layer of eosinophilic hyaline material lining the alveoli, alveolar ducts, and bronchioles, found at autopsy in infants who… …
66nictitating membrane — noun Zoology a whitish membrane forming an inner eyelid in birds, reptiles, and some mammals. Origin C18: nictitating based on med. L. nictitat blinked , frequentative of nictare …
67tympanic membrane — eardrum the membrane at the inner end of the external auditory meatus, separating the outer and middle ears. It is formed from the outer wall of the lining of the tympanic cavity and the skin that lines the external auditory meatus. When sound… …
68nictitating membrane — /ˌnɪktəteɪtɪŋ ˈmɛmbreɪn/ (say .niktuhtayting membrayn) noun a thin membrane, or inner third eyelid, present in many animals, capable of being drawn across the eyeball, as for protection …
69mucous membrane — The moist, inner lining of some organs and body cavities (such as the nose, mouth, lungs, and stomach). Glands in the mucous membrane make mucus (a thick, slippery fluid). Also called mucosa …
70nictitating membrane — n. a transparent third eyelid hinged at the inner side or lower lid of the eye of various animals, serving to keep the eye clean and moist: it is vestigial in humans …
