any cell situated at the base of a multilayered tissue, as at the lowest layer of the epidermis.
The antheridium consists at first of a basal cell and a terminal one.
Elements of Structural and Systematic Botany Douglas Houghton Campbell
B, Formation of the first spore-mother-cell (sm), from the basal cell (a) of one of the rows of spores.
Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 Various
basal cell n.
A type of cell found in the deepest layer of the epithelium.
- Basal cell epithelioma
noun See basal cell carcinoma
- 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.
- 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 […]