Muscle tissue W4 (smooth)

Question 1

what is the shape of smooth muscle

Answer 1

fusiform

Question 2

smooth muscle is innervated by the … nervous system

Answer 2

autonomic

Question 3

cell junctions in smooth muscle tissue contain …….. that allow ……

Answer 3

gap junctions

ionic transfer

Question 4

whta does ionic transfer through gap junctions allow smooth muscle tissue to do

Answer 4

contract

Question 5

smooth muscle cells- actin is anchored to …

Answer 5

dense bodies

Question 6

where are dense bodies found (2)

Answer 6

cell membrane and cytoplasm of smooth muscle cells

Question 7

each smooth muscle cell is surrounded by a layer of connective tissue called

Answer 7

emdomysium

Question 8

smooth muscle cell is best viewed using what stain

Answer 8

trichrome

Question 9

using trichrome stain, collagen fibres are stained ….. and smooth muscle is stained …..

Answer 9

blue

red

Question 10

comparitively, smooth muscle cells have very little/lots? of sacroplasmic reticulum

Answer 10

little

Question 11

what are three things that smooth muscle cells dont have

Answer 11

t tubules
sarcomeres
myofibrils

Question 12

smooth muscle cells may have vesicles under the ……….. called …….

Answer 12

cell membrane

caveolae

Question 13

what are cavaolae involved in

Answer 13

Ca+2 hoomeostatis and contraction signalling

Question 14

what are cavaolae

Answer 14

small vesicles found under the cell membrane of some smooth muscle cells