COLLUM UTERI
\kəlˈʌm jˈuːtəɹˌi], \kəlˈʌm jˈuːtəɹˌi], \k_ə_l_ˈʌ_m j_ˈuː_t_ə_ɹ_ˌi]\
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A narrow, cylindrical, and flattened portion of the uterus, which terminates it inferiorly, and opens into the vagina by the Os Uteri or Os Tincae. This neck is perceptible on examination per vaginam, until near the end of utero-gestation. As the uterus enlarges, however, it becomes shorter and wider, so that a manifest difference exists between its condition at seven and nine months.
By Robley Dunglison
Word of the day
Procollagen Proline Dioxygenase
- mixed-function oxygenase that catalyzes hydroxylation prolyl-glycyl-containing-peptide, usually in protocollagen, hydroxyprolylglycyl-peptide. The enzyme utilizes molecular oxygen with a concomitant oxidative decarboxylation of 2-oxoglutarate to succinate. EC 1.14.11.2.