Histology Flashcards
1
Q
what is the dark band in muscle cells?
A
myosin
2
Q
what is the light band in muscle cells?
A
- actin
3
Q
relaxed smooth muscle nucleus will look like
A
- a cigar
4
Q
contracted smooth muscle nucleus will look like
A
- a corkscrew shape
5
Q
top layer
middle layer
bottom layer
A
epicardium
myocardium
endocardium
6
Q
endocardium is composed of what cells?
A
- simple squamous layer of cells
7
Q
what is between the two arrows?
A
intercalated disc
8
Q
lots of adipose cells will tell you that you are in which layer?
A
the epicardium
9
Q
shape of veins versus arteries
A
- arteries are more round
- veins have irregular shape
10
Q
what is at the arrow?
A
- purkinje fiber
11
Q
left?
middle?
right?
A
12
Q
A band composed of
A
- myosin
13
Q
I band composed of
A
- actin
14
Q
what are some features that can help you discern cardiac muscle from skeletal muscle?
A
- lots of mitochondria, lipid droplets, and glycogen granules
15
Q
what kind of muscle is this?
is it contracted or relaxed?
A
- smooth
- relaxed
16
Q
A
17
Q
tunica intima composed of
A
- endothelium
- internal elastic lamina
19
Q
A
28
Q
A
29
Q
A
30
Q
A
31
Q
A
32
Q
A
33
Q
A
34
Q
A
35
Q
A
36
Q
A
37
Q
A
38
Q
A
39
Q
A
40
Q
A
41
Q
A
42
Q
A
43
Q
A
44
Q
A
