STRUCTURE AND FUNCTIONS OF THE HAIR

Question 1

It is the part of the hair that contains the tubelike structure called the hair follicle.
This is the widest part of the hair

Answer 1

Root

Question 2

It is the middle length of the hair from the root to the tip

Answer 2

Shaft

Question 3

(shaft) strand of hair is also divided into three layers or segments

Answer 3

Cuticle
Cortex
Medula

Question 4

•It is the outer layer of the hair.
•It consists of transparent cells that overlap each other like scales of a fish
•It is made up of keratin.

Answer 4

Cuticle

Question 5

•It is found in the middle of the hair. •It is protected by the cuticle that consists of rope-like protein.
•The ___ contains pigment granules that give color to the hair

Answer 5

Cortex

Question 6

It is the innermost layer of the hair. It supports the structure for a strand of hair.

Answer 6

Medulla

Question 7

It is the end of the hair farthest away from the roots. The hair is narrowest at the tip.

Answer 7

Tip

Question 8

This is the patchy hair loss or baldness that usually develops on the scalp

Answer 8

Alopecia areata

Question 9

Forms of alopecia areata

Answer 9

Alopecia totalist
Alopecia universalis

Question 10

loss of all head hair.

Answer 10

Alopecia totalis

Question 11

the loss of hair from head and body.

Answer 11

Alopecia universalis

Question 12

This is the most common type of hair loss in head Male pattern baldness usually includes either a receding hairline or hair los at the crown or both

Answer 12

Male pattern baldness

Question 13

This is the thinning of hair across the scalp. _ pattern baldness is due to aging and changes in the levels of androgens (male hormones)

Answer 13

Female pattern baldness

Question 14

This is a fungal infection of the scalp that creates round patches of hair loss. The patches can appear in a ring shape hut no worm is involved in _

Answer 14

Tinea capitis (scalp ringworm)

Question 15

This is a condition in women that develops male-pattern hair it is the excessive hair growth or unwanted hair in a woman’s face

Answer 15

Hirsutism

Question 16

This is the condition of having dry, itchy, and flaky patches on the scalp, especially around the hair margin in the front, sides. and back of the hair

Answer 16

Seborrheic dermatitis

Question 17

This is an itch on the area of the scalp.

Answer 17

Neurodermatitis

Question 18

This is a disease of the scalp that is characterized by thick silvery scales. It is due to the overproduction of skin cells on the upper layer of the epidermis.

Answer 18

Psoriasis

Question 19

This is a scalp disease associated with the overgrowth of bacteria inside the hair follicle. It appears as a small area of pus surrounding the opening of the follicle.

Answer 19

Bacterial folliculitis

Question 20

This is a mild inflammation of the scalp, resulting in scaly skin that is itchy and flakes off.

Answer 20

Dandruff

Question 21

These are tiny insects that live on the scalp and feed on blood

Answer 21

Head lice

Question 22

average, hair tends to grow between

Answer 22

0.5 and 1.7 centimeters per month

Question 23

Hair is made up of

Answer 23

keratin