skeletal

Question 1

what are the 2 component of the skeletal system

Answer 1

cartilage and bone

Question 2

which is the most abundant cartilage: hyaline, fibro or elastic

Answer 2

hyaline

Question 3

what are the 5 classifications of bone

Answer 3

long, short, irregular, flat and sesamoid

Question 4

name where you’d find a long bone

Answer 4

finger

Question 5

name where you’d find a short bone

Answer 5

foot

Question 6

name where you’d find an irregular bone

Answer 6

vertebrae

Question 7

name where you’d find a flat bone

Answer 7

skull

Question 8

name where you’d find a sesamoid bone

Answer 8

patella

Question 9

name the 5 major functions of bone

Answer 9

mineral storage, hormone storage, blood cell formation, triglyceride storage and hormone production

Question 10

name the 3 different osteogenic cells found in the bone

Answer 10

osteoclast, osteoblast and osteocytes

Question 11

what is the role of an osteoblast

Answer 11

to produce bone matrix and calcium binding proteins

Question 12

what is the role of an osteoclast

Answer 12

remove bone tissue and remodel bone with enzymes

Question 13

what is the role of an osteocyte

Answer 13

to sit in lacunae and help with maintenance and recycling materials and waste

Question 14

what is the periosteum layer of the bone

Answer 14

tough protective structural membrane

Question 15

what are the 2 layer of the periosteum

Answer 15

osteogenic layer and fibrous layer

Question 16

structure of osteogenic layer in periosteum

Answer 16

cambium cells

Question 17

structure of fibrous layer in periosteum

Answer 17

tough membrane, tight connected to bone by sharpie fibres

Question 18

How are tendons and ligaments connected

Answer 18

they attach to the periosteum layer and then the sharpie fibres attach it to the bone itself

Question 19

what name is given to the layer of the bone that is made of delicate connective tissue

Answer 19

endosteum

Question 20

what are the structures and functions of the endosteum

Answer 20

contains osteogenic cells - lining canals passing through and also the internal surface of compact bone

Question 21

what is the use of yellow bone marrow

Answer 21

fatty resource

Question 22

the structure of spongey bone

Answer 22

open network of trabeculae with no osteons - still remains strong and calcified however the density depends on strain applied.

Question 23

what are the 2 types of canals in bone called

Answer 23

Haversian and caniculi

Question 24

what does the Haversian canal do

Answer 24

this hold the blood vessels and nerves running through the bone