Fossa vs. Foramen — What's the Difference?

A shallow depression or hollow.

In anatomy and osteology, a foramen (; plural foramina, or foramens ) is an open hole that is present in extant or extinct amniotes. Foramina inside the body of animals typically allow muscles, nerves, arteries, veins, or other structures to connect one part of the body with another.

A large nocturnal reddish-brown catlike mammal of the civet family, found in the rainforests of Madagascar.

An opening or orifice, as in a bone or in the covering of the ovule of a plant.

A small cavity or depression, as in a bone.

(skeleton) An opening, an orifice, or a short passage, especially in a bone.

A catlike carnivorous mammal (Cryptoprocta ferox) of Madagascar, having reddish-brown fur, a long tail, long whiskers, and retractile claws.

A small opening, perforation, or orifice; a fenestra.

(anatomy) A pit, groove, cavity, or depression.

A natural opening or perforation through a bone or a membranous structure

(astronomy) A long, narrow, shallow depression on the body of an extraterrestrial body, such as a planet or moon.

A large nocturnal reddish-brown catlike mammal (Cryptoprocta ferox) of the civet family, endemic to the rainforests of Madagascar. It is slender, long-tailed and has retractile claws and anal scent glands.

A pit, groove, cavity, or depression, of greater or less depth; as, the temporal fossa on the side of the skull; the nasal fossæ containing the nostrils in most birds.

A concavity in a surface (especially an anatomical depression)

Monotypic genus of Madagascar civets closely related to palm civets

Largest carnivore of Madagascar; intermediate in some respects between cats and civets