basal-
101basal plates — 1. (ECHINODERMATA: Crinoidea) A cycle of 5 aboral calyx plates in primitive stalked crinoids; see radial plates. 2. (NEMATA) The circular base of the cephalic framework, composed of an annular structure with posteriorly directed rim, the …
102basal ring — (NEMATA) The annular structure that extends posteriorly from the outer margin of the basal plate of the cephalic framework …
103basal window — (BRYOZOA: Gymnolaemata) In Cheilostomata, the subcentral, uncalcified section of an encrusting colony s exterior basal zooidal wall …
104basal cell carcinoma — (= BCC; rodent ulcer) Common carcinoma derived from the basal cells of the epidermis. Often a consequence of exposure to sunlight and much more common in those with fair skin; rarely metastasises …
105basal ganglia — Three large subcortical nuclei of the vertebrate brain: the putamen, the caudate nucleus and the globus pallidus. They participate in the control of movement along with the cerebellum, the corticospinal system and other descending motor systems.… …
106basal disk — Anat. the flattened basal surface by which coelenterate polyps attach to the substrate. Also called pedal disk. * * * …
107basal plate — (Subclass Branchiura): Spine studded, plate like structure on basal segment of each maxilla. (spines: alike, unlike; close together, well separated; blunt, curved, scale like, sharp). (Syn. maxillary plate) [Stachowitsch, 1992] …
108basal cell carcinoma — (BCC) the commonest form of skin cancer. Although classified as a malignant tumour, it grows very slowly. BCC usually occurs on the central area of the face, especially in fair skinned people; the prevalence increases greatly with exposure to… …
109basal ganglia — several large masses of grey matter embedded deep within the white matter of the cerebrum. They include the caudate and lenticular nuclei (together known as the corpus striatum) and the amygdaloid nucleus. The lenticular nucleus consists of the… …
110basal cell ameloblastoma — a rare form of ameloblastoma microscopically resembling a basal cell carcinoma of the skin …
