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
the basal disk is liberated and the tentacles contract, dragging the column, which still lies pr-ne, along as they do so.
freshwater sponges, hydroids & polyzoa nelson annandale
Read Also:
- Basal ganglion
any of several m-sses 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 […]
- Basal layer
basal layer basal layer n. the outermost layer of the endometrium, which undergoes only minimal changes during the menstrual cycle. the deepest layer of the epidermis.
- Basal layer of ciliary body
basal layer of ciliary body basal layer of ciliary body n. the inner layer of the ciliary body of the eye, continuous with the basal layer of the choroid.