amniorrhexis am·ni·or·rhex·is (ām’nē-ə-rěk’sĭs)
Rupture of the amnion.
amnioscope amnioscope am·ni·o·scope (ām’nē-ə-skōp’) n. An endoscope that allows the fetus and amniotic fluid to be observed directly through the intact amniotic sac.
amnioscopy amnioscopy am·ni·os·co·py (ām’nē-ŏs’kə-pē) n. Examination of the amniotic cavity and fetus using an optical instrument that is inserted into the amniotic cavity.
any vertebrate of the group Amniota, comprising the reptiles, birds, and mammals, characterized by having an amnion during the embryonic stage. noun any vertebrate animal, such as a reptile, bird, or mammal, that possesses an amnion, chorion, and allantois during embryonic development Compare anamniote amniote (ām’nē-ōt’) Any of the vertebrates that have an amnion during […]
- Amniotic cavity
amniotic cavity amniotic cavity n. The fluid-filled cavity surrounding the developing embryo.