31 terms

Biology: Bones

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Axial
Bones of skull vertebrae and thorax
Skull
Cranium (8) and facial portion (14)
Mandible
Lower jaw. Only moveable bone in skull
Hyoid
In throat. Attaches tongue
Vertebrae
Column of support for upper body. Flexible but strong to protect spinal cord. Hole foramen. Linked by ligaments
Vertebral disk
Disk of cartilage between individual vertebra
Cervical vertebra
7. Neck. Pivot for head
Thoracic vertebra
12. Posterior end of ribs attach.
Lumbar vertebra
Lower back. Between thorax and pelvic girdle. Largest
Sacral vertebra
Child 5. Adult fuse to form sacrum
Coccyx
Tailbone. Child 4 or 5
Bones of thorax
Sternum. Breast bone. 12 pair of ribs. (7 attached. 3 false. 2 float)
Appendicular skeleton
Main bones of arms legs hands feet. Many small bones for greater flexibility.
Girdles
Bones that attack appendages to axial skeleton
Pectoral girdle
Shoulder girdle. Clavicle and scapula
Clavicle
Collar bone. Attached to front sternum and scapula in back
Scapula
Shoulder blade.
Humorous
Upper arm
Ulna
Lower arm. little finger side
Radius
Lower arm. Thumb side
Carpal
Wrist. Two rows of four bones
Metacarpal
Hand. Five
Fingers
14 phalanges. Two thumb. Three each finger
Pelvic girdle
Hip. Strong bone ring that forms wall of basin called pelvis. Ilium. Ischium. Pubis. Provides solid region where muscles attach
Femur
Thigh. Largest and strongest bone
Tibia
Lower leg. Shin Ben. Weight bearing
Fibula
Lower leg. Back
Patella
Knee cap
Tarsal
Ankle. 7 because of patella
Metatarsal
Foot. Five. Instep
Toes
14 phalanges. 2 big toe. Three others