A cupula is a small, inverted cup or dome-shaped cap over a structure, including: *

Ampullary cupula The ampullary cupula, or cupula, is a structure in the vestibular system, providing the sense of spatial orientation. The cupula is located within the ampullae of each of the three semicircular canals. Part of the crista ampullaris, the cupula h ...

, a structure in the vestibular system, providing the sense of spatial orientation * Cochlear cupula, a structure in the cochlea * Cupula of the pleura, related to the lungs *The cervical

parietal pleura The pulmonary pleurae (''sing.'' pleura) are the two opposing layers of serous membrane overlying the lungs and the inside of the surrounding chest walls. The inner pleura, called the visceral pleura, covers the surface of each lung and dips be ...

in the thorax *A layer in the

otolith organs An otolith ( grc-gre, ὠτο-, ' ear + , ', a stone), also called statoconium or otoconium or statolith, is a calcium carbonate structure in the saccule or utricle of the inner ear, specifically in the vestibular system of vertebrates. The ...

* The ''cupula optica'', or optic cup, in embryological development of the eye * Cup-like structure fitted over the eye during

electrophysiology study A cardiac electrophysiology study (EP test or EP study) is a minimally invasive procedure using catheters introduced through a vein or artery to record electrical activity from within the heart. This electrical activity is recorded when the hear ...

* Suprapleural membrane

See also