Tutorial 3 Flashcards
medullary cavity
hollow part of bone that contains bone marrow
compact bone vs spongy bone
- compact bone: dense and composed of osteons
- spongy bone: less dense and made up of trabeculae
Label:
1. Osteon
2. central canal
3. osteocytes
what are the 6 classification of bones according to its shape
- flat bone
- stutural bone
- long bone
- irregular bone
- sesamoid bone
- short bone
what are flat bones & examples
- thin roughly parallel
- bones from roof of skull, sternum, ribs, scapulae
what are sutural bones & its examples
- small flat irregualr bones thats between flat bones
- like jigsaw puzzle
what are long bones & its examples
- elongated slender
- arm, forearm, thigh, leg, palms, soles, fingers, toes
- femur = longest longbone
what are irregular bones & its examples
- complx shapes with flat notched/ridged surface
- vertbrae, bones of pelvice,some skull bones
what are sesamoid bones & its examples
- bones that develop inside tendons & usually located near joints at knees, hands, feet
- patellae (@ knee)
what are short bones & its examples
- small boxy
- bones in wrist & in ankle
bones of apendicular vs axial skeleton
- apendicular: clavical, scapula pelvic bones & the arms and legs
- axial: skull, vertebrae (including sacrum & coccyx), thoracic cage,
what are the 6 cranial bones & lable them
- frontal
- parietal (2)
- temporal (2)
- occipital
- sphenoid
- ethmoid
The 8 facial bones & label:
1. maxialla (2)
2. palatine bones (2)
3. nasal bones (2)
4. inferior nasal conchae (2)
5. zygomatic bones (2)
6. lacrimal bones (2)
7. vomer
8. mandible
what are the associated bones of the skull
- hyoid bones
- malleus (2)
- incus (2)
- stapes (2)
what are the vertebral column divisions (along with the number)
- cervical (C1-C7)
- thoracic (T1-T12)
- lumbar (L1-L5)
- sacral
- coccygeal