Fossa Definition Anatomy

Plural fossae ˈfɒsiː or ˈfɒsaɪ. Condylar fossa condyloid fossa either of two pits on the lateral portion of the occipital bone.

What Is The Fossa Ovalis With Pictures

In anatomy a hollow or depressed area.

Fossa definition anatomy. A slender long tailed carnivorous mammal cryptoprocta ferox of the family eupleridae of madagascar that has retractile claws usually reddish brown or sometimes black short thick fur and anal scent glands. Ditch trench fosse short for fossa terra dug or dug out earth noun use of feminine of fossus past participle of fodere to dig. Cerebral fossa any of the depressions on the floor of the cranial cavity.

The fossa is located behind the zygomatic process of the frontal bone in the anterior and lateral part of the orbital roof. A trench or channel. Fossa anatomy ta a02000034 in anatomy a fossa ˈfɒsə.

The fossa evolved on the catless island of madagascar where it became the ecological equivalent of a cat. 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. Amygdaloid fossa the depression in which the tonsil is lodged.

The ridge extends anteriorly and curves slightly in a dorsal direction and meets the meckelian fossa. The adductor muscles of the jaw in some primitive reptiles richard c. The abnormal anatomy of the popliteal fossa can produce continual compression of the popliteal artery causing endothelial damage resulting in the formation of aneurysm thrombosis or embolism.

Fossa a concavity in a surface especially an anatomical depression pit. From the latin fossa ditch or trench is a depression or hollow usually in a bone such as the hypophyseal fossa the depression in the sphenoid bone. Glenoid cavity glenoid fossa the concavity in the head of the scapula that receives the head of the humerus to form the shoulder joint.

The fossa is bounded by the anterior and posterior lacrimal crests coming from the maxilla frontal process and lacrimal bone respectively with no definite boundary above. Fox the mental foramen lies immediately anterior or anteroventral to the fossa.

Skull Foramina Fissures And Contents Kenhub