X A&P - Chp 7 - Bones Flashcards
Foramen Magnum
Where spinal cord exits skull
Sutures in skull
Harden in adults
Parts of Skull
Frontal
Occipital
Parietal
Temporal
Fontanelle
Soft part of cartilage that hasn’t hardened yet
Trabeculae
Inner structural tissue inside bone. lightweight, strong
Axial Skeleton
TRUNK
Head, Spine, Thorax
Appendicular Skeleton
Appendeges, legs, arms
Vertebraes
Cervical - 7
Thoracic - 12
Lumbar - 5
Sacrem
Arm bones
Radius (thumb side)
Ulna (pinky side)
Humerous (funny bone, upper arm bone)
Heel Bone
Calcaneus
Leg bone (upper)
Femur
Leg bone (lower 2)
Tibia (main)
Fibula
Arm (upper)
Humerous
Arm (lower 2)
Radius (main)
Ulna
Costal Cartilage
Soft cartilage of the ribs
Acromium Process
Landmark Bone, front side of bone above scalpula. 2 finger breadths below for deltoid muscle injection location
Calcaneous
Heel bone
Illiac Crest
Crest of Illim bone where bone marrow is taken from
Sinus Cavity
in bone, lined with mucous membrane
Kyphosis
hump back
Lordosis
curve in lower back. ie. pregnant women
Scoliosis
curved spine
End of bone
Epiphysis
shaft of bone
diaphysis
Spongy Bone
Cancellous
Compact Bone
Cortical
Antlers made of
hair
Tusks made of
teeth
Periosteum
connective tissue membrane covering a bone
Function of Bone
- Protecting underlying structures
- movement and locomotion
- storage of minerals (calcium, phosphate)
- Hematopoesis (formation of blood cells in Red bone marrow)
Parathyroid Homone PTH
Bad, stimulates Osteoclasts, breaks down bone
Osteosarcoma
bone cancer
Bone marrow creates new blood ?
daily
RBC live for ? days
120
Aplastic Anemia
bone marrow dies
Patella
knee cap
Greater Trochanter
opposite femoral head. smaller of two bulges. hip bond that we can palpate
Osteons
cylinders that veins travel through within bone
structural unit of compact (cortical) bone