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Skin

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

What are 7 functions of the skin?

Back (Answer)

• Excretion via sweat • Physical protection • Water retention • Sensory information • Barrier against UV • Temperature regulation • Manufactures vitamin D

#2
Front (Question)

What are the 2 layers of the skin?

Back (Answer)

• Epidermis 2. Dermis

#3
Front (Question)

What are the 2 types of skin?

Back (Answer)

• Thick Skin 2. Thin Skin

#4
Front (Question)

Where is thick skin found?

Back (Answer)

Palms of the hand and soles of the feet

#5
Front (Question)

Besides thickness, what is the major difference between thick and thin skin?

Back (Answer)

Absence of hair follicles on thick skin

#6
Front (Question)

What type of tissue is the epidermis?

Back (Answer)

Stratified squamous keratinising epithelium

#7
Front (Question)

What are the 4 cell types present in the epidermis?

Back (Answer)

• Keratinocytes • Melanocytes • Merkel Cells • Langerhans Cells

#8
Front (Question)

What is the function of keratinocytes?

Back (Answer)

Produce keratin

#9
Front (Question)

What is the function of keratin?

Back (Answer)

Helps with water retention and waterproofing of skin

#10
Front (Question)

What is the function of melanocytes?

Back (Answer)

Synthesise pigment melanin

#11
Front (Question)

What is the function of melanin?

Back (Answer)

Protect against UV

#12
Front (Question)

Where are melanocytes found?

Back (Answer)

Basal layer of the epidermis

#13
Front (Question)

Where is melanin stores?

Back (Answer)

Melanosomes

#14
Front (Question)

What is the function of Langerhans cells?

Back (Answer)

Part of the immune system

#15
Front (Question)

What is the function of Merkle cells?

Back (Answer)

Function as mechanoreceptors i.e. detect shape

#16
Front (Question)

What are the 5 strata of the epidermis in ascending order?

Back (Answer)

• Stratum Basale • Stratum Spinosum • Stratum Granulosum • Stratum Lucidum (Thick Skin only) • Stratum Corneum

#17
Front (Question)

What cells are found in the stratum basale?

Back (Answer)

Single layer of cuboidal cells

#18
Front (Question)

What binds stratum basale to the basal lamina and dermis?

Back (Answer)

Hemidesmosomes

#19
Front (Question)

At what strata of the skin does active cell division take place?

Back (Answer)

Stratum basale

#20
Front (Question)

What cells are found in the stratum spinosum?

Back (Answer)

2-8 layers of prickle cells

#21
Front (Question)

What causes cells to have a prickle appearance in stratum spinosum?

Back (Answer)

Desmosomes hold cells together but the rest of the membrane contracts

#22
Front (Question)

What cells are found in the stratum granulosum?

Back (Answer)

2-3 layers of squamous cells

#23
Front (Question)

At what strata does the nucleus being to break down?

Back (Answer)

Stratum granulosum

#24
Front (Question)

What cells are found in the stratum corneum?

Back (Answer)

Cells with no organelles composed almost entirely of keratin