histology

Question 1

straited, unbranched and multinucleated

Answer 1

skeletal muscle cells

Question 2

where do peripheral nuclei appear on skeletal muscle

Answer 2

transverse section ed nuclei

Question 3

what is epimysium

Answer 3

connectuve tissue that suurounds muscle

Question 4

what is is perimysium

Answer 4

surrounds single fascicle

Question 5

what is endomysium

Answer 5

connective tissue around single fibre

Question 6

what does muscle contain

Answer 6

fasiciles, myofibril, sarcomeres

Question 7

type 1 muscle

Answer 7

dark meat (duck)

Question 8

type 2 muscle

Answer 8

white meat (chicken)

Question 9

what is semi rigid and deformable, permeable, avascular and contains chondrocytes

Answer 9

cartilage

Question 10

what is the most common type of cartilage

Answer 10

hyaline

Question 11

where is hyaline cartilage found

Answer 11

at articular surfaces, tracheal rings, costal cartilage, growth plates and is a precursor in fetus to many bones

Question 12

where do chondrocytes sit

Answer 12

in small spaces called lacuna

Question 13

what is rigid, non permuable, and has cells that need to be nourished by blood vessels

Answer 13

bone

Question 14

what are the roles of bone

Answer 14

provudes support, levers for movement, protection of internal organs, calcium store, haemopoesis,

Question 15

what is haemopoesis

Answer 15

blood cell production within bone marrow

Question 16

what is bone comprised of

Answer 16

bioapatite, collagen, water, non collagen proteins

Question 17

what are margins of osteon

Answer 17

cement lines

Question 18

what makes up the shaft of bone

Answer 18

outer shell of dense cortical bone

Question 19

what occupies the end of bone

Answer 19

cancellous or trabecular bone

Question 20

what is haversian canal

Answer 20

where osteoclasts drill into the bone with vessel growing in there

Question 21

where are nuclei in skeletal muscle

Answer 21

at the periphery of the fibre just under the cell membrane

Question 22

what is a bundle of muscle fibres called

Answer 22

fascicles

Question 23

type 1 muscle fibres also called

Answer 23

red fibres

Question 24

what type of muscle fibre is rare

Answer 24

type IIA

Question 25

what is are type IIB muscle fibres also known as

Answer 25

white fibres

Question 26

how are cartilage cells nourished

Answer 26

by diffusion through the extra cellular matrix

Question 27

what do chondrocytes do

Answer 27

secrete and maintain the extracellular matrix around them

Question 28

characteristic feature of hyaline cartilage

Answer 28

nests of chondrocytes

Question 29

where is elastic cartilage found

Answer 29

external ear, corniculate cartilages, epiglottis and apices of the arytenoids

Question 30

what mostly forms bone

Answer 30

bioapatite

Question 31

what is cancellous

Answer 31

fine meshwork bone

Question 32

what occupies the end of bones

Answer 32

cancellous or trabecular bone

Question 33

where are osteoprogenitor cells located

Answer 33

located on bone surfaces

Question 34

what are osteoblasts and where are they found

Answer 34

found on the surface of developing bone

Question 35

what cells have plentiful RER and prominent mitochondria

Answer 35

osteoblasts

Question 36

what are osteocytes

Answer 36

a bone cell draped within a matrix

Question 37

what size are osteoclasts

Answer 37

large (40um)

Question 38

where are osteoclasts found and what do they do

Answer 38

found on the surface of bone and are responsible for bon eresorption