9-Letter Words Ending: YST

• An isolated crystal having a different origin than the igneous rock in which it is found; the mineralogical equivalent of a xenolith.

• The gall bladder.

• A cyst that develops from a sporoblast and from which sporozoites develop

• A larval stage in many trematode worms

• A structure in Ascosphaera fungi within which the asci form

• An organ of balance found in some aquatic invertebrates, consisting of a sac-like structure containing a statolith and numerous innervated setae.