Question: What Does Fossa Mean In Anatomy?

What is a fossa in human anatomy?

Fossa – A shallow depression in the bone surface. Here it may receive another articulating bone or act to support brain structures. Examples include trochlear fossa, posterior, middle, and anterior cranial fossa.

What does fossa mean?

(Entry 1 of 2): an anatomical pit, groove, or depression.

Where is the fossa in the body?

The fossa is located behind the zygomatic process of the frontal bone in the anterior and lateral part of the orbital roof. fossa for the lacrimal sac A vertical groove, some 5 mm deep and about 14 mm high, formed by the frontal process of the maxilla and lacrimal bones and which contains the lacrimal sac.

What is difference between Fossa and cavity?

is that cavity is a hole or hollow depression while fossa is (anatomy) a pit, groove, cavity, or depression, of greater or less depth or fossa can be a carnivorous mammal endemic to madagascar,.

Are fossa cats?

The fossa is the largest mammalian carnivore on Madagascar and has been compared to a small cougar, as it has covergently evolved many cat -like features. Fossa (animal)

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Fossa
Family: Eupleridae
Genus: Cryptoprocta Bennett, 1833
Species: C. ferox
Binomial name

14 

What is the fossa function?

In addition to its contents, the middle cranial fossa acts as a potential space for infection and hemorrhage. The complex anatomy of this region makes it a difficult area for surgeons to traverse, but also provides access to various areas of the brain for a variety of procedures.

What is a Subscapular fossa?

The subscapular fossa is a landmark of the scapula. As the name implies, it is on the deep side of the scapula. The subscapular fossa of the scapula is of functional importance because it is the origin for: the subscapularis muscle (one of the four rotator cuff muscles).

Where is the Pterygopalatine fossa?

The pterygopalatine fossa (PPF) is a small, clinically inaccessible, fat-filled space located in the deep face that serves as a major neurovascular crossroad between the oral cavity, nasal cavity, nasopharynx, orbit, masticator space, and the middle cranial fossa.

How do you use fossa in a sentence?

In many cases a mass of stool may be felt in the left iliac fossa. At less than 90 degrees of abduction the deltoid muscle force creates a shear vector in the glenoid fossa. Care was taken to ensure that there was no constriction at the popliteal fossa.

Which bones have a fossa?

The anterior cranial fossa consists of three bones: the frontal bone, ethmoid bone and sphenoid bone. It is bounded as follows: Anteriorly and laterally it is bounded by the inner surface of the frontal bone.

Where is Infratemporal fossa located?

The infratemporal fossa is a complex area located at the base of the skull, deep to the masseter muscle. It is closely associated with both the temporal and pterygopalatine fossae and acts as a conduit for neurovascular structures entering and leaving the cranial cavity.

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Which bones contain a fossa?

The middle cranial fossa consists of three bones – the sphenoid bone and the two temporal bones.

What is foramen Rotundum?

The foramen rotundum (plural: foramina rotunda) is located in the middle cranial fossa, inferomedial to the superior orbital fissure at the base of greater wing of the sphenoid bone. It transmits the maxillary branch of trigeminal nerve (V2), artery of foramen rotundum, and emissary veins.

What is skull base?

At the base of the skull is bone that supports 4 brain components—the frontal lobe, temporal lobe, brain stem, and cerebellum. The skull base offers support from the bottom of the brain. Think of it as the floor of the skull, where the brain sits. Five bones make up the skull base.

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