Skeletal System: Spongy Bone Flashcards
1
Q
Do SPONGY BONES have OSTEONS or CENTRAL CANALS?
A
No
2
Q
What are TRABECULAE? Are they found in SPONGY BONE?
A
They are frameworks formed by irregular lamellae, yes they are found in SPONGY BONE
3
Q
If there are no CAPILLARIES, how do the OSTEOCYTES get nutrients
A
They are fed by nutrients in MARROW
4
Q
Why are there openings in CANALICULI?
A
To allow OSTEOCYTES to reach nutrients
5
Q
What are 3 functions of TRABECULAE?
A
1) Withstand stress from different directions
2) Reduce weight
3) Protect red MARROW
6
Q
Where is the formation site for blood cells?
A
In the MARROW
7
Q
What would a lack of calcium, no collagen in the BONES cause?
A
Brittle BONES
