LP1 - Lab 4

Question 1

identify

Answer 1

diaphysis of long bone

compact, trabecular, blood/adipose/hematopoetic

decalcified: spares living, destroys inorganic

Question 2

identify

Answer 2

diaphysis of long bone

periosteum: osteoprogenitor cells

lacunae

Question 3

identify

Answer 3

haversian (central) canals

volkmann’s canals

younger > mature

Question 4

identify

Answer 4

compact bone

haversian canal

osteocytes w/in lacunae

Question 5

identify

Answer 5

ground bone method: structure maintained, cells killed

intercircumferential lamellae

outercircumferential lamellae

Question 6

identify

Answer 6

haversian system: osteon

concentric lamellae

lacunae w/osteocytes

haversian canal

Question 7

identify

Answer 7

interstitial lamellae

Question 8

identify

Answer 8

canaliculi

Question 9

identify

Answer 9

volkmann’s canal

Question 10

identify

Answer 10

skull, flat bone

Question 11

identify

Answer 11

flat bone

Question 12

identify

Answer 12

skull, flat bone

trabeculae w/lacunae

Question 13

identify

Answer 13

skull bone

lacunae w/osteocytes

no canals with concentrics

osteoblasts always sit on top

Question 14

identify

Answer 14

artifact of slide prep

Question 15

identify

Answer 15

trabeculae

osteoclast, derived from monocyte

calcium homeostasis

Howship’s lacunae

Question 16

identify

Answer 16

trabecular

Howship lacunae w/osteoblasts

Question 17

identify

Answer 17

endochondral ossification

epiphyseal

Question 18

identify

Answer 18

hyaline at epiphysis

zone of reserved cartilage

zone of proliferation

Question 19

identify

Answer 19

hyaline at epiphysis

zone of proliferation

zone of hypertrophy

zone of calcification and cell death

Question 20

identify

Answer 20

hyaline at epiphysis

zone of hypertrophy

zone of calcification, cell death

zone of ossification, resorption

spicules - bony projections, convert to trabeculae

Question 21

identify

Answer 21

hyaline at epiphysis

zone of reserved cartilage

zone of proliferation

zone of hypertrophy

zone of calcification, cell death

zone of ossification, resorption

Question 22

identify

Answer 22

RBCs - anucleated

neutrophil
polymorphonuclear
abx

Question 23

identify

Answer 23

eosinophils
granulocytes
bilobed nucleus

Question 24

identify

Answer 24

basophil

granulocyte

Question 25

identify

Answer 25

neutorphil eosinophil basophil

Question 26

identify

Answer 26

lymphocyte agranulocyte nucleus takes up most of the space

Question 27

identify

Answer 27

lymphocyte

Question 28

identify

Answer 28

monocyte agranulocyte horseshoe nuceusl abundant cytoplasm

Question 29

identify

Answer 29

lymphocyte monocyte

Question 30

identify

Answer 30

bone marrow megakaryocytes: platelet production

Question 31

identify

Answer 31

bone marrow adipocytes

Question 32

identify

Answer 32

platelets lymphocyte

Question 33

identify

Answer 33

neutrophil

Question 34

compact bone

Answer 34

epiphyses, diaphysis of logn bones surface of short bones, plates of the bones

Question 35

trabecular

Answer 35

aka cancellous, spongy most bulbous epiphyses, lining of marrow cavity, core of short bones, diploë of flat bones

Question 36

intramembranous ossification

Answer 36

forms directly within mesenchym

Question 37

endochondral ossification

Answer 37

bone replaces hyaline cartilage

Question 38

periosteum

Answer 38

outer covering of dense irregular CT

Question 39

endosteum

Answer 39

lining of the cavities in bone, single layer

Question 40

lacunae

Answer 40

spaces within matrix occupied by osteocytes

Question 41

bone matrix

Answer 41

amorphosu mineralized ground substance and collagen fibers

Question 42

outer circumferential

Answer 42

two or more layers of matric with lacunae arranged parallel to each oher located just deep to the periosteum

Question 43

innercircumferential

Answer 43

two or more layers of matric with lacunae arranged parallel to the inner circumference of the bone located jsut deep to the marrow cavity

Question 44

concentric

Answer 44

layers of matrix and lacunae that surround the central cnala of each osteon in concentric circles

Question 45

interstitial

Answer 45

remnants of remodeled osteons found between complete osteons

Question 46

canaliculi

Answer 46

fine channels radiating from each lacunae, connecting lacunae in adjacent lamellae

Question 47

central canals

Answer 47

at the center of each osteon, containing the blood supply to the osteon

Question 48

Volkmann's (perforating) canals

Answer 48

enter bone and form connections perpendicula to the central canals; carry nutrient blood vessels to the bone