Unit 5 - Skeletal System Flashcards
(17 cards)
Cranium -
Supports facial structures
Facial movements
Encloses / protects the brain.
Facial Bones -
Structure for face
Permit Chewing
Vertebrae -
Mechanical stability for body
Protect Spinal cord
Ribs -
Protection for organs in diaphragm
Sternum -
Breastbone, Attachment for most of the ribs
Frontal bone -
Forms roof of orbit
Temporal bone -
Lower lateral wall of cranium
Parietal bone -
Upper roof and lateral walls of cranium
Occipital bone -
Back and base of skull, spinal cord pass through
Sphenoid bone -
Behind the eye socket, holds pituitary gland
Ethmoid bone -
Eye socket
Maxillae bone -
Upper jaw
Mandible bone -
Lower jaw
Zygomatic bones -
Cheek bones
Describe cartilage
A firm but pliable substance that cushions joints and acts as a template to make new bones, grow and repair existing bones.
Describe the process of endochondral ossification.
Cartilage template Growth of the template Initiation of bone formation Formation of marrow cavities Replace cartilage w/ bone Ossification of the epiphyses (ends)
Describe the function of bone marrow
Hematopoiesis (generation of red blood cells), stem cells