The Skull its landmarks DTH23 Part A 4 of 5.pptx

The Skull and its Landmarks Part 4 of 5 Julie Watson The Cranium – The Sphenoid Bone 3 What is the Sphenoid Bone Unpaired bone Most complex bone due to its irregular shape Known as wasp/butterfly bone due to its shape 4 Sto...

The Skull and its Landmarks Part 4 of 5 Julie Watson The Cranium – The Sphenoid Bone 3 What is the Sphenoid Bone Unpaired bone Most complex bone due to its irregular shape Known as wasp/butterfly bone due to its shape 4 Stone, 2019 Anatomical Structure - there are four main parts 5 Image from Ken hub 6 7 8 Foramina and Bony Landmarks of the Sphenoid Bone 9 Why are these Foramen important? Foramen Rotundum: Transmits the maxillary division of the trigeminal nerve from the middle cranial fossa into the Pterygopalatine fossa Foramen Ovale: Transmits the mandibular division of the trigeminal nerve from the middle cranial fossa to the Infratemporal fossa Foramen Spinosum: Transmits the middle meningeal vessels and the meningeal branch of the mandibular division of the trigeminal nerve 10 You Tube clip for this section https://www.youtube.com/watch?v=LYkASTl_e1c (Sphenoid Bone) 11 Not long now! End of Part 4 12 Anchor.hope.edu