Skeletal System n Fill in the skeletal body
Skeletal System
n. Fill in the skeletal body on the back page of your packet. Use pages 134 in your text book.
Terminology 126 n 1. aurn 2. –poiesis n 3. brachin 4. ossn 5. burso n 6. –genesis n 13. axn 15. frontn 17. corac- 7. arthr(o)8. carp 9. cervic 10. dia 11. cox(a), pelv 12. dactyl, digit 14. fov 16. scolio 18. condyl-
aur n poiesis brachi oss burs(o) genesis ax front arthr(o) ear production arm bone bursa born, beginning axis forehead joint
carp cervic dia cox, pelv dactyl, digit fov scolio corac condyl wrist pertaining to the neck through, across hip, hip joint finger, toes pit twisted crows beak knob
Introduction n. How many bones do you think are in the human body? n 206 n. Largest Bone? n. Femur n. Smallest Bone? n. Ossicles (ear bones)
Functions (5) n 1. Support Body
n 2. Protect organs
n 3. Attachment of muscles
n 4. Hemopoieses n. The bones make blood cells from embryonic month 5 on…
n 5. Mineral Storage n. Ca 2(PO 4)3
Anatomy n. There are basically four types of bones.
n 1. Long Bones ne. g. n. Femur n. Radius nulna nhumerus
n 2. Short bones ncarpals
n 3. Flat Bones
n 4. Irregular Bones
Parts of a long bone n. Please color code the femur. Color code letters a-g.
Epiphysis n. A. Ends of the bone (Proximal and distal)
Epiphyseal plate n. A 1: Cartilage growth plates on bone ends. n(Growth plate)
n (hyaline) cartilage on end of bone n b bone trabeculae of spongy bone n c red marrow cavity n d epiphyseal plate (hyaline cartilage)
n a Epiphyseal plate made of hyaline cartilage is responsible for long bone growth. Note: The direction of growth is toward the diaphysis (shaft of long bone). Also Note: The newly forming spongy bone (below the growth plate) is not clearly organized as the older spongy bone in the epiphysis above the growth plate.
Diaphysis n. B. Shaft of the bone, middle part.
Articular Cartilage layer to reduce pain n. C. and friction.
Periosteum n. D. Living layer surrounding bone. n. Nourishing and growth in width.
Spongy bone n Looks like a sponge. n Mostly in the epiphysis n Contains red marrow (Makes RBC’s)
Compact Bone n. Close together in diaphysis. n. Organized into concentric layers.
Medullary Cavity n. Hole in the middle of the bone. n. Filled with yellow marrow (fat for energy storage)
Surface features: (3) n 1. Projections n 2. Depressions n 3. Openings
Projections n. For attachments
Depressions n. For joints to fit together.
Openings n. For blood vessels and nerves.
Osseous Tissue
Matrix
Osteocyte n. Mature bone cells. n. Maintain bones and assist and repair.
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