opera trice (operatris)

[F. opératrice = It. opera trice, Sir T. Elyot , The Govern our, iii. 23. an operation by laparotomy, with use of the clamp, and charopercle (ō-per'kl), n. [L. operculum: see oper ring of the end of the pedicle. - Tripier's operation, culum.] An operculum. a modification of Chopart's mediotarsal amputation, in which the os calcis is sawed off horizontally. Vermale's opercula, n. Plural of operculum . operation, the ordinary double-flap method of amputa tion by transfixion and cutting from within outward: ap- plicable to any limb. - Von Graefe's operation for cat- aract, a modified linear extraction of the cataract, com- bining a peripheral linear incision in the cornea and an iridectomy. - Wardrop's operation for aneurism, lig a- tion of a main branch of the artery beyond the aneurism, leaving a circulation, however, through another branch.- Wheelhouse's operation for stricture, the division of the stricture on a grooved probe pa ed through the stric- ture from an opening made into the urethra in front of it. - Whitehead's operation for excision of hem or- rhoids, the excision of a circular strip around the anus, including the tumors. -Whitehead's operation for ex- cision of the tongue, excision through the mouth, using only sci ors. - Wolfe's operation for ectropium, an operation by transplantation of a flap from a distance, without a pedicle. - Wood's operation for the radical cure of inguinal hernia, the closing of the hernial canal by subcutaneous sutures through the tendinous structures forming its boundaries. - Wutzer's operation for the opercular (ō-per'kū-lär), a. [ bounding the operculum below and more or le behind: the sub operculum; (3) one between the suboperculum and the operculum on the one hand and the pre operculum in front: the interopercu lum, which is connected by a ligament with the lower jaw; and (4) an entirely separate element in front of the operculum and connected with the suspensorium of the lower jaw: the pre operculum, Head of Perch, showing Opercular Apparatus, a, operculum; 6, suboper culum; c, pre operculum The first, second, and fourth of d, inter operculum. opercular these are united into a more or le movable lid which covers the gills. All four are developed in the typical teleosts, but one or more are wanting in some fishes. See cut under teleost. Opercular fi ure, the pomatic fi ure of a monkey's brain. See pomatic. - Opercular flap, a backward prolongation of the opercle of many fishes, as the sunfishes, in some of which it attains a great size. See Lepomis. - Opercular gill. See gill1. Operculata (ō-per-kū-lātä), n. pl. [NL., neut. pl. of L. operculatus, covered with a lid: see oper is specifically applied to those pulmonate gastropods which culate.] Shells which are operculate. The have an operculum developed from the upper back portion of the foot, closing the shell when the animal is withdrawn into it. The chief family is Cyclos to midæ. See cuts under Ampullariidæ and Macluritidæ. operculate (o-per'kū-lāt), a. [= F. operculé = Sp. Pg. opercula do, operculated (0-pėrʼkū-lā-ted), a. [ operculiferous (ō-per-ku-lif'e-rus), a. [L. operculum, a lid, + ferre = E. bear1.] Operculigerous. 4123