The Skeleton

Question 1

What is an osteoblast?

Answer 1

Forms bone (1 in 10 become osteocytes)

Question 2

What is an osteoclast?

Answer 2

Removes bones

Question 3

What is an osteocyte?

Answer 3

maintains bone

Question 4

What is a chrondroblast?

Answer 4

Forms cartilage

Question 5

What is the haversian system?

Answer 5

Lacunae = space full of liquid where osteocytes are located

Canaliculi = vessels where osteocytes communicate through

Question 6

What are the four types of teeth?

Answer 6

Incisors, canines, premolars, molars.

Question 7

Where do teeth sit?

Answer 7

Within the alveolar bone of the mandible and maxilla

Question 8

What is enamel?

Answer 8

White and compact covering the dentine of the crown

Question 9

What is cementum?

Answer 9

a bony tissue that covers the roots and holds the tooth in place via the periodontal ligament

Question 10

What is dentine?

Answer 10

Softer than enamel, makes up the bulk of the tooth

Question 11

What is the Pulp cavity

Answer 11

at the centre of the tooth surrounded by dentine, contains blood vessels and nerves.

Question 12

What is the perideontal ligament?

Answer 12

Holds the tooth in place

Question 13

What is an ameloblast?

Answer 13

Forms enamel

Question 14

What is a detinoblast?

Answer 14

Forms dentine

Question 15

What are long bones?

Answer 15

Longer than they are wide (e.g femur, tibia)

Question 16

What are short bones?

Answer 16

as long as they are wide (e.g carpals and tarsals)

Question 17

What are flat bones?

Answer 17

e.g scapula, parietals, ribs

Question 18

What are irregular bones?

Answer 18

have complex shapes (e.g vertebrae)

Question 19

What are sesamoid bones?

Answer 19

bones embedded in tendons (e.g patella)

Question 20

What is the cranial skeleton?

Answer 20

all bones of the skull

Question 21

What is the postcranial skeleton?

Answer 21

all bones below the skull

Question 22

What is the axial skeleton?

Answer 22

All skeletal elements of the skull and trunk (incl. rib cage and hip bones)

Question 23

What is the appendicular skeleton?

Answer 23

all limb bones

Question 24

What are notches?

Answer 24

Indentations at the edge of bone

Question 25

What is a crest?

Answer 25

Small elevation

Question 26

What is a tuberosity?

Answer 26

Large, rough surface

Question 27

What are foramen?

Answer 27

Round/ oval openings

Question 28

What is a ramus?

Answer 28

Thin bridge

Question 29

What are sutures?

Answer 29

Cranial bone joins

Question 30

What is a process?

Answer 30

Bony projection

Question 31

What is a meatus?

Answer 31

Opening or canal

Question 32

What is a tubercle?

Answer 32

Small, rounded projection

Question 33

What is an epiphysis?

Answer 33

End of a long bone

Question 34

What is a diaphysis?

Answer 34

Shaft of a long bone

Question 35

What is a condyle?

Answer 35

A smooth, rounded articular process

Question 36

What is the frontal bone?

Answer 36

Forehead

Question 37

What is the parietal bone?

Answer 37

Side and top of head

Question 38

What is the occipital bone?

Answer 38

Back of skull

Question 39

What is the temporal bone?

Answer 39

Bone below parietal

Question 40

What is the zygomatic bone?

Answer 40

Cheek/ bottom of eye socket

Question 41

True or false: the occipital bone is anterior to the temporal bones

Answer 41

False, it is posterior

Question 42

True or false: The tibia is medial to the fibula

Answer 42

true