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Axial Skeleton
trunk, skull, hyoid bone, vertebral column, ribs and sternum
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Appendicular Skeleton
Pectoral girdle, upper limb bones, pelvic girdle, and lower limb bones.
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Long Bones
longer than they are broad (bones of the arm, forearm, fingers, thigh, and leg.)
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Short Bones
more or less equal in all deminsions (bones of the wrist and ankle)
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Flat Bones
appear to be compresses in one deminsion (cranium and sternum)
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Irregular Bones
dont fit in to any other category (floor of skull, facial bones, vertebrae, and pelvic and pectoral girdles.)
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Epiphysis
proximal and distal end of the bone
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Diaphysis
THe shaft of the bone
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Hyoid Bone
Floating bone (no direct bony attachments) at junction of the floor of the mouth and the neck
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True ribs
first 7 pair of ribs. (attaches to sternum with own cartilage)
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false Ribs
ribs 8 through 12 (dont attach to sternum with own cartilage)
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Floating Ribs
ribs 11 and 12 dont attach to sternum.
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Process
a general term for a projection from the surface of the bone.
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Tubercle
a relatively small bump on a bone
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Tuberosity
a relatively large bump on a bone
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Trochanter
a large bump (on femur)
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Spine
a short sharp projection
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Head
a hemispheric projection that articulated with another bone
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Neck
a constriction below the head
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Condyle
an irregular, smooth surface that articulates with another bone
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Epicondyle
a bump on a condyle
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Crest
an elevated ridge of bone
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Line
ab elevation smaller than a crest
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Facet
a smooth flat surface
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Canal or Meatus
a deep hole
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Fossa
a shallow surface depression in a bone
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Notch
a deep cutout in a bone
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Groove or Sulcus
an elongated depression
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Fissure
a long deep cleft in a bone
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