Anatomy of bones

Question 1

Sinus

Answer 1

air filled spaced of short or irregular bone
lined with mucous membrane

Question 2

Diaphysis

Answer 2

shaft of long bone
primarily compact bone with hollow medullary cavity
primary center for ossifcation

Question 3

epiphysis

Answer 3

end of bone
primarily spongy bone

Question 4

epiphyseal plate

Answer 4

hyaline cartilage
present until bone stops growing

Question 5

epiphyseal line

Answer 5

when bone stops growing

Question 6

medullary cavity

Answer 6

hollow cavity in diaphysis
compact bone with some spongy
in kids primarily red bone bone marrow (red blood cell formation)
in adults turns yellow (fat formation)

Question 7

articular cartilage

Answer 7

hyaline cartilage covering ends of bone in joints
NO perichondrium

Question 8

periostium

Answer 8

double layer connective tissue membrane covering outside of bone

Question 9

outer layer of periostium

Answer 9

dense irregular connective tissue

Question 10

inner layer of periosteum

Answer 10

layer of osteoblasts, osteoclasts and osteochondral progenitor cells

Question 11

sharpeys fibers

Answer 11

fibers that pernitrate periosteum into bone and strengthen ligaments connection to bones

Question 12

endosteum

Answer 12

single layer connective tissue
lines internal spaces of all bone cavities

Question 13

endosteum contains

Answer 13

ostechochondral progenitor cells
osteoblasts
osteoclasts