Heart and Blood Vessel Histology Flashcards
1
Q
What are the three layers the make up blood vessels?
A
Tunica intima
Tunica media
Tunica externa
2
Q
What are the components of the tunica intima?
A
- Endothelium: simple squamous epithelium
- Subendothelium: made up of loose connective tissue and dispersed smooth muscle cells
- Internal elastic lamina
3
Q
What are the components of the tunica media?
A
The tunica media is composed of layers of smooth muscle cells
Outermost part of this layer is the external elastic lamina.
4
Q
What are the components of the tunica externa?
A
This is composed of areolar connective tissue that contains elastic and collagen fibres.
5
Q
What are the 3 different types of capillary?
A
Continuous
Fenestrated
Sinusoid
