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In anatomy, a fossa (/ ˈ f ɒ s ə /; pl.: fossae (/ ˈ f ɒ s iː / or / ˈ f ɒ s aɪ /); from 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).
A fossa (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. A meatus is a short canal that opens to another part of the body. An example is the external auditory meatus. A fovea (Latin: pit) is a small pit, usually on the head of a bone.
The popliteal fossa (also referred to as hough or kneepit in analogy to the cubital fossa) is a shallow depression located at the back of the knee joint. The bones of the popliteal fossa are the femur and the tibia. Like other flexion surfaces of large joints ( groin, armpit, cubital fossa and essentially the anterior part of the neck ), it is ...
The mandibular fossa, also known as the glenoid fossa in some dental literature, is the depression in the temporal bone that articulates with the mandible. Structure [ edit ] In the temporal bone , the mandibular fossa is bounded anteriorly by the articular tubercle and posteriorly by the tympanic portion of the temporal bone, which separates ...
The Posterior cranial fossa is colored in blue, yellow, and red. The posterior cranial fossa is the part of the cranial cavity located between the foramen magnum, and tentorium cerebelli. It is formed by the sphenoid bones, temporal bones, and occipital bone. It lodges the cerebellum, and parts of the brainstem .
A cranial fossa is formed by the floor of the cranial cavity . There are three distinct cranial fossae: [1] Anterior cranial fossa ( fossa cranii anterior ), housing the projecting frontal lobes of the brain [2] Middle cranial fossa ( fossa cranii media ), separated from the posterior fossa by the clivus and the petrous crest housing the ...
Pterygopalatine fossa. Left maxillary sinus opened from the exterior. In human anatomy, the pterygopalatine fossa ( sphenopalatine fossa) is a fossa in the skull. A human skull contains two pterygopalatine fossae—one on the left side, and another on the right side. Each fossa is a cone-shaped paired depression deep to the infratemporal fossa ...
The cubital fossa, antecubital fossa, chelidon, or inside of elbow is the area on the anterior side of the upper part between the arm and forearm of a human or other hominid animals. It lies anteriorly to the elbow (antecubital) (Latin cubitus) when in standard anatomical position. The cubital fossa is a triangular area having three borders.