gestation (jes-ta's hun)

Syn.: fetation- 1. A carrying; that form of pa ive exercise in which the person is carried, as on horseback, in a vehicle, etc. 2. The action or proce of carrying young; the condition of being carried in the womb during the period between conception and birth, abdominal g. That form of ectopic g. in which the product of conception is lodged in the peritoneal cavity. cervical g. The temporary retention of the ovum within the canal of the cervix uteri after its expulsion from the body of the uterus in a case of abortion. See incomplete abortion, cornual g. G. in an ill-developed cornu of a bicornate uterus, double g. i. The coexistence of uterine and extrauterine g. 2. See twin g. ectopic g. G. (2d def.) in which the product of conception is carried elsewhere than within the cavity of the body of the uterus, extra-uterine g. Pregnancy at some outside the uterus, interstitial g., intramural g. A variety of tubal g., in which the ovum is developed in that portion of the oviduct that traverses the wall of the uterus, intraperitoneal g. See abdominal g. multiple g. See plural g. mural g. See interstitial g. ovarian g. That form of ectopic g. in which the product of conception is lodged in the ovary, plural g. G. with more than one embryo, prolonged g., protracted g. G. prolonged beyond the usual period. quadruple g. G. with four embryos. quintuple g. G. with five embryos. secondary abdominal g. That variety of extra-uterine g. in which the fetus, originally situated in the oviduct or elsewhere, has become lodged in the abdominal cavity in consequence of the rupture of the fetal sac. secondary g. G. in which the ovum has become dislodged from its original seat of implantation, and continues to develop in a new situation, triple g. G. (2d def.) with three embryos, tubal g., tubarian g. That form of ectopic g. in which the product of conception is lodged in the oviduct, tubo-abdominal g. That form of extra-uterine g. in which the fetal sac is formed partly of the abdominal extremity of the oviduct and partly of plastic exudation in the neighborhood, tubo-ovarian g. That form of extra-uterine g. in which the fetal sac is made up of the ovary and the abdominal end of the oviduct, tubo-uterine g. See interstitial g. twin g. G. with two embryos, uterotubal g. G. in which the ovum is developed partly in the uterine portion of the oviduct and partly within the cavity of the uterus. [Lat., gestatio, from gestare, to carry.]