What is a fossa in the body?
Table of Contents
What is a fossa in the body?
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 medically?
depression
Medical Definition of fossa : an anatomical pit, groove, or depression the temporal fossa of the skull the fossa in the liver for the gallbladder.
Which bones have a fossa?
In the Skull:
- Cranial fossa. Anterior cranial fossa. Middle cranial fossa. Interpeduncular fossa.
- Hypophyseal fossa.
- Temporal bone fossa. Mandibular fossa. Jugular fossa.
- Infratemporal fossa.
- Pterygopalatine fossa.
- Pterygoid fossa.
- Lacrimal fossa. Fossa for lacrimal gland. Fossa for lacrimal sac.
- Mandibular fossa.
How many Fossas are there in the human body?
Skull
| Bone | Cranial fossa | Number |
|---|---|---|
| sphenoid | middle cranial fossa | 2 |
| sphenoid | middle cranial fossa | 2 |
| temporal | middle cranial fossa | 2 |
| temporal | posterior cranial fossa | 2 |
Where do Fossas live in Madagascar?
Endemic to Madagascar, fossas are found throughout the island, though in the Central Highlands, it is only in certain areas, like the Andringitra Massif. This species inhabits all forested areas on Madagascar, from mountainous areas down to the coastal lowlands.
Where is the mandibular fossa located?
temporal bone
The mandibular fossa is the cavity in the temporal bone that enables interaction with the mandibular condyle. The mandibular fossa of the temporal bone borders with articular tubercle in the front and is separated from the external acoustic meatus by the tympanic part of the bone on the backside.
What is Fossa used for?
FOSSA builds the infrastructure for modern teams to be successful with open source. FOSSA’s flagship product helps teams track the open source used in their code and automate license scanning and compliance.
What family is the fossa in?
Malagasy carnivores
Fossa/Family
The fossa has features in common with three different families of carnivores: Herpestidae (mongooses), Viverridae (civets and their relatives), and Felidae (cats). Recent molecular studies have put the fossa in the Eupleridae family, a group that consists of Malagasy carnivores.
How big is a fossa?
21 lbsAdult
Fossa/Mass
Where is mandibular fossa?
Each mandibular fossa or glenoid fossa forms the temporal component of the TMJ. It is a concave area on the inferior border of the squamous part of the temporal bone that is also referred to as the articular fossa.
What did the fossa evolve from?
Mongoose
Fossa Classification and Evolution The Fossa belongs to the Malagasy Carnivores group which are thought to have descended from Mongoose-like ancestors that arrived on Madagascar from Africa up to 24 million years ago.
What does a fossa look like?
The fossa is Madagascar’s top predator, and it looks like a mashup between a cat, a dog, and a mongoose. Fossas have slender bodies, muscular limbs, and short, reddish-brown coats. They have small, cat-like heads, short, dog-like muzzles, and large, rounded ears.