Lecture 19: Integument

Question 1

Stratum lucidum only found in

Answer 1

Thick skin

Question 2

Lagnerhans cells

Answer 2

Dendritic cells
From monocytes
Antigen presenting cells
Primarily in stratum spinosum, migrate from epidermis to lymph nodes
Birbeck granules

Question 3

Merkel cells

Answer 3

Mechanoreceptors
May also act as diffuse neuroendocrine cells
Usually in stratum germinativum
Contain catecholamine-like granules

Question 4

Melanocytes

Answer 4

Derived from melanoblasts
Do not form desmosome attachments in epidermis
Inject melanin granules into keratinocytes

Question 5

Dermis is derived from

Answer 5

Mesoderm

Question 6

Apical dark cells

Answer 6

Part of merocrine gland

Secrete glycoproteins

Question 7

Basal clear cells

Answer 7

Part of merocrine gland

Secrete water and electrolytes

Question 8

Myoepithelial cells

Answer 8

Part of merocrine gland

Question 9

Ceruminous glands and glands of Moll are examples of what type of gland

Answer 9

Apocrine glands

Question 10

These cells can reestablish epidermis in severely burned patients

Answer 10

Keratinocyte stem cells