Readers ask: What Is A Fossa In Anatomy?

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 bones contain a fossa?

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

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).

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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.

Is fossa a depression?

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.

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)

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


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.

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,.

What is a line in anatomy?

1. The connection between two points. 2. In anatomy, a long narrow band or streak that is distinct from the surrounding tissues by colour or texture.

What is notch in bone?

Notch is a cell–cell signaling pathway that is involved in a host of activities including development, oncogenesis, skeletal homeostasis, and much more.

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How many fossa are in the body?

The floor of the cranial cavity is divided into three distinct depressions. They are known as the anterior cranial fossa, middle cranial fossa and posterior cranial fossa. Each fossa accommodates a different part of the brain.

What is the head called in anatomy?

The human head is an anatomical unit that consists of the skull, hyoid bone and cervical vertebrae. The term “skull” collectively denotes the mandible (lower jaw bone) and the cranium (upper portion of the skull that houses the brain).

What is the fossa of the brain?

The posterior fossa is a small space in the skull, found near the brainstem and cerebellum. The cerebellum is the part of the brain responsible for balance and coordinated movements. The brainstem is responsible for controlling vital body functions, such as breathing.

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