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2. Fossa (anatomy) - Wikipedia

   en.wikipedia.org/wiki/Fossa_(anatomy)

   In anatomy, a fossa (/ ˈ f ɒ s ə /; [1] [2] pl.: fossae (/ ˈ f ɒ s iː / or / ˈ f ɒ s aɪ /); from Latin 'ditch, trench') is a depression or hollow, usually in ...

3. Mandibular fossa - Wikipedia

   en.wikipedia.org/wiki/Mandibular_fossa

   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 it from the external acoustic meatus. The fossa is divided into two parts by a narrow slit, the petrotympanic fissure (Glaserian fissure).

4. Anatomical terms of bone - Wikipedia

   en.wikipedia.org/wiki/Anatomical_terms_of_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. [15] A meatus is a short canal that opens to another part of the body. [16] An example is the external auditory meatus. A fovea (Latin: pit) is a small pit, usually on the head of a ...

5. Middle cranial fossa - Wikipedia

   en.wikipedia.org/wiki/Middle_cranial_fossa

   The middle cranial fossa is formed by the sphenoid bones, and the temporal bones. It lodges the temporal lobes, and the pituitary gland. [1] [2] It is deeper than the anterior cranial fossa, is narrow medially and widens laterally to the sides of the skull. It is separated from the posterior cranial fossa by the clivus and the petrous crest.

6. Posterior cranial fossa - Wikipedia

   en.wikipedia.org/wiki/Posterior_cranial_fossa

   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 .

7. Iliac fossa - Wikipedia

   en.wikipedia.org/wiki/Iliac_fossa

   The iliac fossa is bounded above by the iliac crest, and below by the arcuate line. It is bordered in front and behind by the anterior and posterior borders of the ilium. The iliac fossa gives origin to the iliacus muscle. [1] The obturator nerve passes around the iliac fossa. [2] It is perforated at its inner part by a nutrient canal.

8. Chiasmatic groove - Wikipedia

   en.wikipedia.org/wiki/Chiasmatic_groove

   Anatomical terms of bone [ edit on Wikidata ] The chiasmatic groove ( chiasmatic sulcus , optic groove , prechiasmatic sulcus ) is a transverse [ 1 ] groove upon the superior aspect of the body of sphenoid bone [ 1 ] [ 2 ] : 509 within the middle cranial fossa .

9. Tuberculum sellae - Wikipedia

   en.wikipedia.org/wiki/Tuberculum_sellae

   The tuberculum sellae (or the tubercle of the sella turcica) is a slight [1] median elevation upon the superior aspect of the body of sphenoid bone (that forms the floor of the middle cranial fossa [2]: 508-509 ) at the anterior boundary of the sella turcica (hypophyseal (pituitary) fossa) [2]: 509 and posterior boundary of the chiasmatic groove.