Trichology Skin

Question 1

SHAPES

Answer 1

S-ensation
H-eat Regulation
A-bsorbtion
P-rotection
E-xcretion
S-ecretion

Question 2

Sensation (SHAPES)

Answer 2

The ability of the skin to feel rough, smooth, sharp, hot, cold (from nerve endings in the dermis)

Question 3

Heat Regulation (SHAPES)

Answer 3

Regulates the body temperature through a process called ‘homeostasis’ using blood flow and sweat (perspiration)

Question 4

Absorption (SHAPES)

Answer 4

Absorbs through open glands called pores. (these cause pimples when blocked). Can absorb creams, ointments and antiseptics. Also sunlight.

Question 5

Protection (SHAPES)

Answer 5

Protection from pathogens (bacteria/viruses), water, extreme temperatures and injuries. Protective coating called the ‘acid-mantle’.

Question 6

Excretion (SHAPES)

Answer 6

Gets rid of waste through the sudoriferous gland (sweat gland)

Question 7

Secretion (SHAPES)

Answer 7

Sebum secreted from the sebaceous gland (oil gland) and becomes acid-mantle. Puts a waterproof coating on skin.

Question 8

3 main layers of skin

Answer 8

Epidermis
Dermis
Subcutaneous

Question 9

Epidermis

Answer 9

The top layer of the skin. Made from 5 layers out of Keratin.

Question 10

Dermis

Answer 10

Second main division of skin. Called ‘true skin’. 2 layers directly under the Epidermis.

Question 11

Subcutaneouos Layer

Answer 11

Fatty tissue. Directly underneath the dermis, covering the bones. Insulates and protects the bones.

Question 12

Papillary layer

Answer 12

Top layer of the Dermis. Shallow, feeds the basil layer, and carries nourishment to the Epidermis.

Question 13

Reticular layer

Answer 13

Bottom layer of Dermis. Most of the Dermis is Reticular. Contains blood vessels, veins, nerves, hair follicles, suderiferous + sebaceous glands and muscles.

Question 14

Stratum Corneum

Answer 14

Dead and Shed. Top layer of Epidermis. Made from flat cells and takes 1 month to get from the bottom to the top

Question 15

Stratum Lucidum

Answer 15

Feet and Hands. Thick and transparent, second layer of Epidermis.

Question 16

Stratum granulosum

Answer 16

Third layer of Epidermis. Thin layer of cells, losing moisture and dying. Those with Psoriasis don’t have it.

Question 17

Stratum spinosum

Answer 17

Fourth layer of Epidermis. A ‘spiny’ appearance. Melanin granules enter these cells. Living part of the Epidermis.

Question 18

Stratum Germinativum

Answer 18

Colour. Lowest (5th) layer of Epidermis. Where the cells divide and move upwards. Naturally contains melanin. Flattens old cells as they push up, and fed by the Basil cells.