BIOB32H3 Lecture Notes - Xiphoid Process, Frontal Bone, Cranial Cavity
28 Mar 2013
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Document Summary
Skeletal system includes both: axial skeleton, skull, auditory ossicles and hyoid bone, vertebral column, thoracic cage, appendicular skeleton, pectoral and pelvic girdles, upper and lower limbs. Focus: the individual bones of the skull cranial bones: one occipital bone, foramen magnum, two parietal bones, one frontal bone, frontal sinuses. Facial bones: maxillary bones, mandible, palatine bones, nasal bones, vomer. Maxillae: largest facial bones, form the upper jaw and most of the hard palate. Palatine and nasal bones: palatine bones, small l shaped bones, form the posterior hard palate and floor of the nasal cavity, nasal bones, superior border of external nares. Vomer, zygomatic and lacrimal bones: vomer, inferior portion of the nasal septum, zygomatic bone, temporal process articulates with zygomatic process of temporal bone, lacrimal bones, smallest bones of the face, sit medially in orbit. Mandible and hyoid bones: mandible, bone of the lower jaw, hyoid, suspended by stylohyoid ligaments, supports the larynx.
