basement membrane

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Related to basal lamina: connective tissue, Hemidesmosomes

basement membrane

n.
A thin noncellular layer located between epithelial cells and the connective tissue that underlies them, composed of collagen and other proteins and having a variety of functions including support and filtration.

base′ment mem`brane


n.
a thin, extracellular membrane underlying epithelial tissue.
[1840–50]
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References in periodicals archive ?
Mitotic activity, annulate lamellae, invasion of the basal lamina of blood vessels at the Virchow-Robin space, and necrosis.
Granulosa cells, which have an irregular basal lamina, showed an increase in lipid vacuoles.
Additionally, the shape ofthe basal lamina on movable chelal finger with only one rounded vestigial teeth (2 in nymphs) without dental canal on weak lamina in O.
Type A spermatogonia at the basal lamina of seminiferous tubules, as well as primary spermatocytes in the leptotene and pachytene stages of prophase I, were also observed in the seminiferous epithelium.
Two areas showed microinvasion of the dermis with loss of the basal lamina. There were also significant acute and chronic inflammatory responses in the deep dermis representing an underlying abscess.
The internal limiting membrane (ILM) is the basal lamina of the inner retina, formed by Muller cells.
HEVs are distinctive microvascular segments located mainly in the interfollicular area of these tissues and consist of tall and cuboidal endothelial cells (ECs) surrounded by a thick basal lamina and a prominent perivascular sheath.
atrobrunneus consists of a pseudostratified epithelium resting on a basal lamina, followed by a muscle layer, a layer of hepatic cells, and irregularly distributed muscles, lined externally by a membrane termed external membrane.
show different changes in Fasciola gigantica adult fluke after 24 hrs incubation with 20 [micro]g/mlTCBZ, the oral sucker showing sever swollen tegument with sloughing in which the tegument had been stripped off to expose the basal lamina beneath Fig2 (a).
The basal plasma membrane (facing the hemocoel) is supported by a conspicuous basal lamina that is elaborately infolded to form invaginations closely associated with mitochondria.