Histology

Question 1

What is the tunica intima made of?

Answer 1

Single layer of squamous epithelial cells (endothelial cells)
Supported by basal Latina and thin layer of connective tissue

Question 2

What is tunica media made of?

Answer 2

Predominantly muscle 
(Sometimes elastic tissue)

Question 3

What is the tunica adventitia made of?

Answer 3

Supporting connective tissue

Question 4

What are the 3 types of capillaries?

Answer 4

Continuous capillaries (muscle, lung, skin, nerves)
Fenestrated capillaries (mucosa of gut, endocrine, glomeruli of kidneys)
Discontinuous capillaries (liver, spleen, bone marrow)

Question 5

Three layers of the heart?

Answer 5

Endocardium
Myocardium
Epicardium

Question 6

What is the endocardium made of?

Answer 6

Endothelium
Basal lamina
Thin layer of collagen fibres
Layer of denser connective tissue

Question 7

What is the myocardium made of?

Answer 7

Muscle fibres

Question 8

How many nucleus’ do cardiac muscle cells have?

Answer 8

1

Question 9

What is the role of intercalated discs in cardiac cells?

Answer 9

Attach cells together

Question 10

What is the epicardium made of?

Answer 10

Single layer of flattened epithelium (mesothelium)
Basal lamina
Fibroelastic connective tissue

Question 11

3 layer structure of blood vessels

Answer 11

Tunica intima
Tunica media
Tunica adventitia