Skin

Question 1

What are the functions of the skin?

Answer 1

-Protection against injury
-Protection against pathogenic organisms
-Protection against radiation, absorption of UV and vitamin D production
-Surface for grip
-Sensory Organs
-Cosmetic
-Waterproofing and fluid conservation
-Thermoregulation
PPPSSWT

Question 2

Name the three layer of the skin and their functions?

Answer 2

The epidermis, the outermost layer of skin, provides a waterproof barrier and creates our skin tone. The dermis, beneath the epidermis, contains tough connective tissue, hair follicles, and sweat glands. The deeper subcutaneous tissue (hypodermis) is made of fat and connective

Question 3

what structures are included in the pilo-sebaceous unit?

Answer 3

Follicle
Hair shaft
Sebaceous gland
pilo erecti muscle

Question 4

what type of glands are included in the sweat glands?

Answer 4

appocrine and eccrine glands

Question 5

What does appendigeal structures or skin appendages mean?

Answer 5

Skin appendages (or adnexa) are skin-associated structures that serve a particular function including sensation, contractility, lubrication and heat loss. In humans, some of the more common skin appendages are hairs (sensation, heat loss, filter for breathing, protection), arrector pilli (smooth muscles that pull hairs straight), sebaceous glands (secrete sebum onto hair follicle, which oils the hair), sweat glands (can be sweat secreted with strong odour (apocrine) or with a faint odour (eccrine)) and nails (protection).
Skin appendages are derived from the skin, and are usually adjacent to it.[1]

Question 6

The epidermis consists of keratinocytes arranged in four layers. What are these four layers?

Answer 6

• Stratum basale
• spinosum
• granulosum
• corneum

Question 7

Name some skin cells?

Answer 7

• Melanocyte( Involved in the production of melanin)
• Langerhans cell (antigen presenting cells)
• Merkel cell (involoved in sensation)

Question 8

Name the layers of the epidermis?

Answer 8

• Stratun Corneum
• Stratum Lucidum
• Stratum Granulosum
• Stratum Spinosum
• Stratum basale

Question 9

Name the structures in Skin histology picture in the ppt?

Answer 9

• Stratum Cornea
• Epidermis
• Papillary Dermis
• Recticular Dermis
• Hypodermis