Lab 4 - Bone Histology

Question 1

What is an osteon and what is another name for it?

Answer 1

Haversian System

Question 2

What is the name of the cavities in which the oseocytes sits?

Answer 2

Lacunae

Question 3

Chat are the name of the structure that connect the lanunae to eachother and the central canal?

Answer 3

Canaliculi

Question 4

Where do the osteoblasts originate?

Answer 4

The Periosteum and Endosteum.

Question 5

Describe Lamellae

Answer 5

Lamellae are the pirmary non-celluat matrix of bone

Question 6

Name 4 types of Llamelae and where to find them

Answer 6

Concentric Lamellae, make up the main structure of the osteon. Interstitial Lamellae form martix between osterons in compact bone. Circumferential Lamellae extend around the entire circumerence of the bone. Trabeculae are irregularly arrangeed llamellae in the spongy bone.

Question 7

What are the two Canel types supplying blood throughout the bood and where would you find them?

Answer 7

The Cetnral or Haversian Canal, found in the center of the osteon running parralel in it. The Peferating/ Volkmann’s canal which runs perpendicular and connects that Haversian Canals.

Question 8

What is the Trabiculae and where would you find it?

Answer 8

It is the bone matrix that compose the spongy bone

Question 9

What is the Medullary cavity and where is it found.

Answer 9

It is the Marrow space. It is found in the shaft of a long bone nad in the songy bone in a flat bone, in between the trabeculae