| amnio- (Greek: "bowl", or "lamb").Denotes a thin, transparent, tough membrane lining and the fluid-filled cavity contains the embryo of reptiles, birds, and mammals [amniotes]; the membrane around a fetus; diminutive of amnos, lamb; a bowl in which the blood of sacrificial victims was caught. Now used primarily to indicate the membrane surrounding the fetus in utero.amniocardiac: amniocele: amniocentesis: amniochorial: amniochorion: amniochorionic: amnioclepsis: amnioembryonic: amniogenesis: amniography: amnioma: amnion: amnionic: amnionitis: amniorrhea: amniorrhexis: amnioscope: amnioscopy: amniotic: amniotome: amniotomy: |