Ostmann's pad of fat (Ostmann fatty bodies) is a thin triangular layer of fatty tissue found in the

Eustachian tube The Eustachian tube (), also called the auditory tube or pharyngotympanic tube, is a tube that links the nasopharynx to the middle ear, of which it is also a part. In adult humans, the Eustachian tube is approximately long and in diameter. It ...

of the ear. It is seen on the lateral side of the cartilaginous part of Eustachian tube. Its function is to keep the tube closed and thereby protect it from reflux of nasopharyngeal secretions. The pad of fat is named after the German otologist Paul Ostmann. In patulous tube syndrome, the Ostmann's pad of fat cannot be visualized using radiological methods.

References

Otology {{otorhinolaryngology-stub