The cytotrophoblast, deep inside, consists in an inner irregular layer of ovoid, single- nucleus cells. This is also where intensive mitotic activity takes place. In the periphery the syncytiotrophoblast forms a syncytium, i.e., a multi-nucleic layer without cell boundaries that arises from the fusion of cytotrophoblast cells.
Define Aryl group. Aryl group synonyms, Aryl group pronunciation, Aryl group translation, English dictionary definition of Aryl group. n. A compound containing benzene or another aromatic hydrocarbon, or a univalent group derived from such a compound by removal of a hydrogen atom attached...
DACTYL. A metrical foot of one strong stress and two weak. DENOTATION. The literal sense of a word or its strict dictionary definition, as opposed to connotation which refers to the attitudes, emotions and values which may be usually evoked by the word, or which may be evoked by it in a specific context.