Mod 12 - Skeletal & Bone/Bone tissue Flashcards
What is the difference between spongy bone and compact bone?
Compact bone forms shaft of long bones and surfaces of other bones. It’s dense and solid.
Spongy bone is found in ends of long bones and middle of other bones. Always surrounded by compact bone.
What bone tissue help form bone?
Osteoblasts
What bone tissue dissolve unwanted bone?
Osteoclasts
What bone tissue are mature osteoblasts embedded in hardened bone matrix?
Osteocytes
*What is the role of red bone marrow?
Produces red blood cells, platelets, and white blood cells
What does the yellow bone marrow consist of?
Saturated with that
What’s the difference between the axial skeleton and appendicular skeleton?
Axial - Central supporting axis of the body, includes head, spine, ribs
Appendicular - deals with the appendages. Make up bones of the limbs, pelvic, and shoulder areas
How many cervical vertebrae are there?
7
How many thoracic vertebrae?
12
How many lumbar vertebrae?
5
How many sacrum vertebrae, and its abbreviation?
5 fused vertebrae, S1
How many coccyx vertebrae?
4 fused vertebrae
The spinous process and the transverse processes both serve as what?
Attachment points for muscles and ligaments