Cells, tissues, organs
What is an organ and is the skin an organ?
A group of similar cells working together to perform a function and yes it is the largest organ.
A type of exocrine gland which produces sweat
Sudoriferous glands
What are the 3 layers of skin from superior to inferior?
Epidermis, dermis, subcutaneous
Structure E
dermis
A fungal infection between the toes
Athletes foot
the pigment that gives skin and hair its color
Melanin
These glands secrete sebum
Sebaceous glands
What are the two layers of the dermis from top to bottom?
Papillary, reticular
F
subcutaneous/hypodermal
Red, itchy, circular rash on the body caused by a fungal infection
Ringworm
Epidermal cells which receive the sensation of touch
Merkel cells
What is a function of hair?
Protection of the skin and/or regulation of body temp
Which layer of the epidermis is only found in the palms of the hands and soles of the feet?
Stratum lucidum
Structure L
Sweat gland/sudoriferous gland
Contagious, itchy rash caused by mites that burrow under the skin and lay eggs
Scabies
Of the epidermal cells, these comprise 90% of the skin and serve to waterproof and protect the skin
Keratinocytes
What is the function of nails?
To protect the fingertips and toes
The layer of the epidermis where new skin cells are produced
Stratum basale/germinativum
Structure B
Oil gland/sebaceous gland
A painful rash affecting the nerves which is caused by the same virus that causes chickenpox
Shingles
What are at least 3 functions of the skin?
Protection, retention of body fluids, absorption of chemicals/medications, regulation of body temp, sensation, vitamin D synthesis
What is the function of the arrector pili muslces?
To generate heat
What are the 5 layers of the epidermis from superior to inferior?
Stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum basale
Structure H
Arrector pili muscle
____ is loss of skin color in patches and ____ is a growth of extra scar tissue
Vitiligo & keloid