Structure of the long bone

Question 1

What are the 2 sections the long bone is divided into and describe them?

Answer 1

Diaphysis- main portion and compact bone
Epiphysis- enlarged ends of bone which contains sponge bone

Question 2

List other parts of the long bone?

Answer 2

Metaphysis- where diaphysis and epiphysis meet
Periosteum- white and dense material covering outside of bone
nutrient artery- blood vessel that supplies nutrients to long bone
red bone marrow- located in cancellous bone and produces blood cells
articular cartilage- smooth and white tissue that covers ends of bones
yellow bone marrow- fat storage and fills cavity in diaphysis
medullary cavity- hollow part of bone which contains bone marrow

Question 3

What is lacunae?

Answer 3

small spaces between matrix

Question 4

what is canalicula

Answer 4

tiny canals running between lacunae that allows materials to be passes through cells