innermost

The innermost sanctuary or shrine in ancient temples, whence oracles were given

n thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)

thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)

n the short part of the esophagus extending downward from the diaphragm to the stomach n the innermost of the two layers of the pericardium

the innermost of the two layers of the pericardium