vagina

(vaj-i’nah) (LJ. 1. A sheath. 2. The canal from the slit of the vulva to the cervix uteri which receives the penis in copulation. In the virgin adult it is 2 to 24 inches on the anterior wall, 3 to 3} inches on the posterior wall. The anterior and posterior walls are in contact. Its upper extremity embraces the cervix uteri, the posterior wall reaching the cervix higher up than does the anterior wall. Anteriorly and posteriorly there are a median ridge and the columnz vaginz, and Tunning out from the column a on either side are transverse folds or τυρα. The Aymen is a crescentic or circular mucous fold which constricts its entrance. When the hymen is ruptured, warty eminences mark its site—the caruncula myrtiformes. The vagina has three coats: 1. Outer, or fibro-elastic. 2. Middle, or muscular. 3. Mucous, οἵ - internal. The circular muscular fibers near the entrance constitute the vaginal sphincter. v. bul’bi, the capsule of Tenon. v. cellulo’sa, the connective-ti ue sheath of a nerve or muscle. v. cor’dis, the pericardium. v. fem’or is, the fascia lat a of the thigh. v. fibro’sa tend in’is, the fibrous sheath of a tendon. vagi’nes fix’ura. Same as _ ragi no fixation. V. muco’sa, a synovial sheath. v. muco’sa ten’din is, a vaginal synovial membrane. v. mus’culi rec’ti abdom’in is, the sheath of the rectus. vagi'ng ner'vi op’tic i, the sheaths of the optic nerve. v. oc’uli, Tenon’s capsule. v. pi’li, a hair-sheath. v. proces’sus stylo i’dei, the vaginal proce of the temporal bone. v. synovia'lis, a synovial sheath.