Skeletal System: Spongy Bone Flashcards Preview

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Flashcards in Skeletal System: Spongy Bone Deck (7):
1

Do SPONGY BONES have OSTEONS or CENTRAL CANALS?

No

2

What are TRABECULAE? Are they found in SPONGY BONE?

They are frameworks formed by irregular lamellae, yes they are found in SPONGY BONE

3

If there are no CAPILLARIES, how do the OSTEOCYTES get nutrients

They are fed by nutrients in MARROW

4

Why are there openings in CANALICULI?

To allow OSTEOCYTES to reach nutrients

5

What are 3 functions of TRABECULAE?

1) Withstand stress from different directions
2) Reduce weight
3) Protect red MARROW

6

Where is the formation site for blood cells?

In the MARROW

7

What would a lack of calcium, no collagen in the BONES cause?

Brittle BONES