Skin - basic stuff

Question 1

Layers of epidermis from top to bottom?

Answer 1

Keratin layer
Granular layer
Prickle cell layer
Basal layer

Question 2

What layer contains melanocytes?

Answer 2

Basal layer

Question 3

Cells that migrate from neural crest and produce melanin?

Answer 3

Melanocytes

Question 4

Melanin is delivered to what cells and why?

Answer 4

Keratinocytes - to absorb UV rays to protect against DNA damage

Question 5

Cells which present antigens to T cells?

Answer 5

Langerhans cells

Question 6

Function or merkel cells (found in basal layer)?

Answer 6

Mechanoreception

Question 7

Sweat gland in skin which opens out into the hair follicle and produces a scented/ smelly fluid?

Answer 7

Apocrine gland

Question 8

Apocrine glands found where ?

Answer 8

Axilla and perineum

Question 9

Sweat glands that open directly onto skin and produces non smelly sweat?

Answer 9

Eccrine glands (thermoregulation)

Question 10

Eccrine glands found everywhere but especially where in body?

Answer 10

Palms soles and axillae

Question 11

Sensory nerves in dermis which respond to light touch and vibration?

Answer 11

Meissners corpuscles

Question 12

Sensory nerves in dermis which respond to heavy deep pressure?

Answer 12

Pancinian corpuscles

Question 13

Meissners and pancinian corpuscles? which ones found

a) high in dermis?
b) deep in dermis?

Answer 13

a) Meissners

b) Pancinian