INTESTINAL VILLI
\ɪntˈɛstɪnə͡l vˈɪla͡ɪ], \ɪntˈɛstɪnəl vˈɪlaɪ], \ɪ_n_t_ˈɛ_s_t_ɪ_n_əl v_ˈɪ_l_aɪ]\
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Minute fingerlike or tonguelike processes projecting from the free surface of the mucous membrane of the small intestine. They consist of a central part, or core, formed by a projection of the mucous membrane and a few longitudinally arranged muscular fiber cells from the muscularis mucosae. The core of the v. contains a closely set network of blood vessels and one or more lacteal trunks with a cecal termination near the free end of the v.
By Smith Ely Jelliffe
Word of the day
Proto Oncogene Proteins c erbB 2
- cell surface protein-tyrosine kinase that is found to be overexpressed in significant number adenocarcinomas. It has extensive homology can heterodimerize EGF EPIDERMAL GROWTH FACTOR), 3 receptor (RECEPTOR, 3) and the 4 receptor. Activation of erbB-2 receptor occurs during heterodimer formation with a ligand-bound erbB family members. EC 2.7.11.-.