Notes in Osteology

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Published	11/19/2024	Conisists of the sternum, 12 pairs of ribs, and 12 thoracic vertebrae which function is to protect the internal organs of the thorax (heart, lungs etc…
Published	11/19/2024	1-7: Rib (directly) articulates with the sternum (true ribs) 8-10: Rib terminates as costal cartilage (False ribs) 11-12: Does not have any anterior a…
Published	11/19/2024	Sternal angle - the junction between the manubrium and the sternal body important anatomical landmark marking the superior limit of t…
Published	11/19/2024	(post/ant) lateral: Lesser wing of sphenoid(post/ant) medial: Limbus of sphenoid (a bony ridge that forms the anterior border of the chiasmatic s…
Published	11/19/2024	Cranial Nerve I, the olfactory nerve, runs through the (olfactory foramina of the) cribriform plate of the ethmoid bone
Published	11/19/2024	Cranial Nerve II, the optic nerve, passes through the optic canal. This canal is located in the sphenoid bone and allows the optic nerve to extend fro…
Published	11/19/2024	Cranial Nerve III (CN III), the oculomotor nerve, passes through the superior orbital fissure. This fissure is located between the greater and lesser …
Published	11/19/2024	Cranial Nerve IV (CN IV), the trochlear nerve, passes through the superior orbital fissure. After emerging from the brainstem, it travels to the orbit…
Published	11/19/2024	Cranial Nerve V (CN V), the trigeminal nerve, has three main branches, each passing through different openings:Ophthalmic branch (V1): Passes through …
Published	11/19/2024	Ophthalmic branch (V1): Passes through the superior orbital fissure.
Published	11/19/2024	Maxillary branch (V2): Passes through the foramen rotundum.
Published	11/19/2024	Mandibular branch (V3): Passes through the foramen ovale.
Published	11/19/2024	Cranial Nerve VI (CN VI), the abducens nerve, passes through the superior orbital fissure. It innervates the lateral rectus muscle, which is responsib…
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