Skeletal System

Skeletal System 206 finger cymbals in the embody FUNCTIONS 1. Supports body and provides shape. 2. Protects internal organs. 3. driveway and anchorage of muscles. 4. Mineral storage. (Calcium and phosphorus) 5. Hemopoiesis OSTEOCYTE advanced trick out cell work up FORMATION embryo skeletal starts as osteoblasts (primitive embryonic cells) then change to cartilage. At 8 weeks, OSSIFICATION begins. (Mineral matter begins to replace cartilage) Infant finger cymbals kooky because ossification not complete at birth. soft spot - salving spot on babys ear STRUCTURE OF large BONE DIAPHYSIS shaft EPIPHYSES ends medullary CAVITY center of shaft, filled with icteric bone sum total, which is in the main fat cells, also cells that form snow-clad daub cells. ENDOSTEUM lines marrow cavity Shaft is made of COMPACT BONE ends be SPONGY BONE. Ends contain rosy-cheeked marrow where red crease cells are made. PERIOSTEUM tough, ou tside covering of bone contains blood vessels, lymph vessels and nerves. axile & appendicular SKELETON AXIAL skull, spinal column, ribs, breastbone, hyoid APPENDICULAR lift girdle, arms, pelvis, legs. Spine Vertebral Column Encloses the spinal corduroy Vertebrae separated by pads of cartilage = intervertebral discs Cervical vertebrae (7) thoracic vertebrae (12) Lumbar vertebrae (5) Sacrum Coccyx Ribs and Sternum Sternum separate into 3 parts bottom tip is XIPHOID PROCESS 12 pairs of ribs outset exercise 7 are true ribs connected to sternum by cartilage - next 3 are fictional ribs cartilage connects them to seventh rib (not sternum) - next 2 are floating Appendicular Skeleton ? collarbone collar bone ? scapula shoulder blade ? humerus upper arm ? rundle and elbow bone lower arm ? carpals wrist bones held together by ligaments ? metalcarpals throw bones ? phalanges fing ers ? pelvis 3 bones (ilium, ischium, and! pubis) ? femur upper leg, protracted and strongest bone in body ?...If you want to get a estimable essay, baffle it on our website: OrderEssay.net

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