Bone/osseus Tissue test 1

Question 0

What lives in membrane around bone; does cell division on the bone surface ?

Answer 0

Osteoprogenerator

Question 1

What is osseus tissue ?

Answer 1

Type of connective tissue

Question 2

What is formed from 1 daughter cell when osteoprogenerator cells divide; secrete the matrix?

Answer 2

Osteoblasts

Question 3

What is trapped in the bone matrix in lacuna (holes); job is to keep the bone healthy mature osteoblasts?

Answer 3

Osteocytes

Question 4

What comes from the immune system; live in the bone membrane surface; job is to dissolve bone ?

Answer 4

Osteoclasts

Question 5

What is bone matrix ?

Answer 5

Basically cartilage with mineral salts to harden it. Trucalcium phosphate (major mineral), calcium carbonate, magnesium hydroxide also sulfate and fluoride

Question 6

What forms the surface of all bones and most of mass of long bones? Solid bone with little space, based around units called osteons.

Answer 6

Compact bone (dense bone)

Question 7

What is an osteon ?

Answer 7

Cylinder made of concentric rings of bone; hollow at center

Question 8

What is the term for canals in sides of bone link up to central canals contains blood vessels?

Answer 8

Perforating canals

Question 9

What is the term for the arches of bone that fill at spaces between osteons ?

Answer 9

Interstitial lamella

Question 10

What is the term for arches of bone tissue at bone surface; make the bone smooth?

Answer 10

Circumferential lamella

Question 11

What is the term for the hole at center of osteon for blood vessels ?

Answer 11

Central canal

Question 12

What is the term for circles of bone that form osteon ?

Answer 12

Concentric lamallae

Question 13

What is lacuna ?

Answer 13

Holes where lamellae meet osteocytes live here

Question 14

What is the term for cracks radiating from lacuna; contain projections from osteocytes?

Answer 14

Canaliculi

Question 15

What is spongy bone ?

Answer 15

Interior of all bones. Most of the mass of non-long bones. Formed by arches of bone called trabeculae that come together to form a sponge like structure with holes and tubes with lots of internal space.

Question 16

What type of bone is longer than they are wide? ( most limb bones)

Answer 16

Long bones

Question 17

What type of bone is same height and length

Ex. Carpal bones; mostly spongy bone (squarish)

Answer 17

Short bones

Question 18

What is flat bone ?

Answer 18

Has a flat shape

Ex- skull bones, mostly spongy bone.

Question 19

What are odd shaped bones?

Ex- sphenoid, ethmoid, vertebrae, mostly spongy bone

Answer 19

Irregular bones

Question 20

What are sutural bones ?

Answer 20

Extra bones in the skull sutures (not everyone has these

Question 21

What are bones in the tendons and what is their job and and an example ?

Answer 21

Sesamoid bones
Job is to help relieve stress on that joint
Ex- patella

Question 22

What is the term for the shaft of a long bone ?

Answer 22

Diaphysis

Question 23

What is the term for the ends of a long bone; usually have articular cartilage to make joints?

Answer 23

Epiphysis

Question 24

What is articular cartilage ?

Answer 24

Cartilage on epiphysis for forming a joint

Question 25

What is metaphysis ?

Answer 25

Where diaphysis and epiphysis join. bones grow from here

Question 26

What is the term for membrane around the outer surface of all bones ; has two layers?

Answer 26

Periosteum

Question 27

What is the fibrous layer ?

Answer 27

Outer layer made of dense irregular connective tissue part of the periosteum

Question 28

What is the inner osteogenic layer ?

Answer 28

Made of areolar connective tissue and elastic fibers. Osteoprogerantor and osteoasts live here. Has capillaries. Part of periosteum

Question 29

What is the term for the hollow area inside of bone; bone marrow is here?

Answer 29

Medullary

Question 30

What is the term for membrane lining medullary?

Answer 30

Endosteum