12) General anatomy and histology of skin

Question 1

Function of skin

Answer 1

Protective function
temperature regulation
excretory function
vitamin D synthesis
Sensory function

Question 2

Thick skin also known as_____

Answer 2

Glabrous skin

Question 3

location of thick skin

Answer 3

palm of hand and sole of foot

Question 4

(mcq) Thinnest skin located at?

Answer 4

eyelids

Question 5

What are the 3 layers of the skin

Answer 5

Epidermis
Dermis
Hypodermis/ subcutaneous tissue

Question 6

Which type of epithelium is epidermis are

Answer 6

Stratified squamous keratinized epithelium

Question 7

Composition of Dermis

Answer 7

epidermal appendages
blood vessels
nerve fibers
lymphatic vessels

Question 8

what can u see in hypodermis

Answer 8

Sweat gland
many adipose cells (panniculus adiposus)

Question 9

What are the 5 layers in Epidermis

Answer 9

Stratum basale (stratum germinativum)
Stratum Spinosum (Prickle cell layer)
Stratum Granulosum
Stratum Lucidum
Stratum Corneum

Question 10

Histology features of stratum basale/ germinativum

Answer 10

Single layer of cuboidal/ low columnar cells with round or oval nuclei

cells in mitotsis, melanocytes and merkel cells are seen in this layer

Question 11

Function of stratum basale

Answer 11

constant production of keratinocytes

Question 12

Histology features of Stratum Spinosum/ Prickle cells layer

Answer 12

polyhrdral with central round nuclei
Pinkish staining cytoplasm

Mitosis also seen in this layer

Question 13

Histological structure of stratum granulosum

Answer 13

diamond shape with a thin cell membrane

Question 14

(MCQ) The cytoplasm of stratum granulosum contain small, oval or round bodies called_____________

Answer 14

Keratohyaline granules

Question 15

What layers is absent in thin skin (MCQ)

Answer 15

Stratum lucidum

Question 16

Stratum corneum are made up of what

Answer 16

Dead keratinised cells

Question 17

What are the 2 zone of dermis

Answer 17

outer zone (Papillary layer)
Inner zone (Reticular layer)