Health Sciences 2300A/B Lecture 4: Lesson 3
2 Dec 2015
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Document Summary
The bones provide the framework that supports the body. Protective covering for certain organs and regions of the body. 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, short bones, flat bones, irregular bones, sesamoid. 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. A little lower is the hypoid bone. If is not a part of the skull, it is a facial bone. Paired bones - there are two of them on each side.
