Question

learning objective 02
describe the hair roots structures and their functions.
hair root structure
labeling

1. label the structure of the hair root.

a. arrector pili muscle d. hair bulb g. hair shaft
b. dermal blood vessel e. hair follicle h. sebaceous gland
c. dermal papilla f. hair root
matching

1. match each definition to the correct term.

matching choices
a. dermal papilla
b. hair root
c. hair shaft
d. trichology
the part of human hair projecting above the epidermis
a cone - shaped elevation at the base of the hair bulb that contains blood vessels
the study of hair
the part of human hair location below the epidermis
ch. 05: hair and scalp properties

Explanation:

1. For the labeling part, match the anatomical terms with the correct parts of the hair - root structure diagram.
2. For the matching part:

• The part of human hair projecting above the epidermis is the hair - shaft.
• A cone - shaped elevation at the base of the hair bulb that contains blood vessels is the dermal papilla.
• The study of hair is trichology.
• The part of human hair located below the epidermis is the hair root.

Answer:

1. (No specific answer given as no diagram with labeled parts is provided in text, but should match terms A - H with diagram parts)

4.
the part of human hair projecting above the epidermis - C. hair shaft
a cone - shaped elevation at the base of the hair bulb that contains blood vessels - A. dermal papilla
the study of hair - D. trichology
the part of human hair location below the epidermis - B. hair root