Basal cell nevus
basal cell nevus
basal cell nevus n.
A hereditary disease characterized by lesions of the eyelids, nose, cheeks, neck, and axillae that are usually benign and that appear as uneroded papules histologically indistinguishable from basal cell epithelioma.
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- Basal conglomerate
a conglomerate deposited on an erosion surface and constituting the bottom layer of a stratigraphic series.
- Basal disk
the flattened basal surface by which coelenterate polyps attach to the substrate. Historical Examples The basal disk is even narrower and is not splayed out round the edges. Freshwater Sponges, Hydroids & Polyzoa Nelson Annandale The basal disk is then turned round and fixed to the new support. Freshwater Sponges, Hydroids & Polyzoa Nelson Annandale […]
- Basal ganglion
any of several masses of gray matter in each cerebral hemisphere.
- Basal granule
basal granule basal granule n. See basal body. Historical Examples At the point where they become continuous with the cell-body there is usually a deeply staining “basal granule.” Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 Various
- Basal lamina
basal lamina basal lamina n. The ventral division of the lateral walls of the neural tube in the embryo, containing the neuroblasts that give rise to the somatic and visceral motor neurons. Also called ventral plate of neural tube. Historical Examples The reason why the basal lamina is here small is because it contains the […]