Principles of skin & microscopic anatomy

Question 1

Local flat area of discolouration, pigmented or erythematous (<1cm) is called

Answer 1

Macule

Question 2

A localised flat area of discolouration, pigmented or erythematous (>1cm)

Answer 2

Patch

Question 3

A raised solid skin lesion <1cm

Answer 3

Papule

Question 4

A raised solid skin lesion >1cm

Answer 4

Nodule

Question 5

A raised skin lesion forming a plateau like elevation of the skin >1cm

Answer 5

Plaque

Question 6

A fluid filled space within of below the epidermis <5mm

Answer 6

Vesicle

Question 7

A fluid filled space within of below the epidermis >5mm.

Answer 7

Bulla

Question 8

A transitory raised skin lesion usually red or white in colour

Answer 8

Wheal

Question 9

What is the structural unit of Epithelium: _____

Answer 9

cell

Question 10

What is the structural unit of Connective tissue: _____

Answer 10

cells, fibres, matrix

Question 11

What is the structural unit of muscle tissue :

Answer 11

muscle cell

Question 12

What is the structural unit of nervous tissue :

Answer 12

neuron

Question 13

…………… coiled tubular structures which produce sweat. Can be eccrine (watery sweat) or apocrine (oily sweat).

Answer 13

Sweat gland

Question 14

…. A disease of glands

Answer 14

Adenosis & Adenomas

Question 15

List the 3 methods of gland secretion

Answer 15

Apocrine = Mammary 
Merocrine = most 
Holocrine = sebaceous

Question 16

List 3 types of secretions

Answer 16

Serous
Sebaceous
Mucous

Question 17

Glands is one of the modifications of epithelium. What is the difference between exocrine and endocrine glands?

Answer 17

Exocrine:

• secretions transported via ducts
• into cavities or surfaces
• sweats, saliva & breast milk

Endocrine:

• Ductless
• release secretions directly into blood