Health Sciences 2300A/B Chapter Notes - Chapter 7: Sphenoid Bone, Lesser Petrosal Nerve, Anterior Cranial Fossa
17 Oct 2016
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Document Summary
The bones provide the framework that supports the body. Provides sites for muscle and tendons attachment. Protective covering for certain organs and regions of the body. Bones assistant in movement by attaching muscles to bones when they contract they provide movement. Certain bones contain red bone marrow - which produces new blood cells (hemopoietin tissue) Bone acts as a storage medium and buffer for calcium in the blood - related to homeostasis. Bones can be classified according to either the type of bone tissue: compact bones, spongy bone (trabecular) The general morphology of the bone: long bones- mainly in the upper and lower limbs, short bones found in the wrist, flat bones. Irregular bones: sesamoid imbedded in a tendon. Contains foramina for passages of nerves and vessels. Cranium and facial bones: frontal - unpaired, parietal - paired, temporal - paired, occipital - unpaired, sphenoid -unpaired, ethmoid unpaired. Facial - nasal, maxillae, zygomatic, mandible, lacrimal, palatines, conchae, vomer.
