amniotic fluid

English Thesaurus

1. the serous fluid in which the embryo is suspended inside the amnion (noun.body)

hypernym	:	bodily fluid, body fluid, humor, humour, liquid body substance,
definition	:	the liquid parts of the body (noun.body)

part meronym	:	amniotic cavity,
definition	:	the fluid-filled cavity that surrounds the developing embryo (noun.body)