Hair Features
Anatomy of Hair Follicle
Hair Growth
Nails
Skin Receptors
100
Hair shaft that produces wavy hair?
What is oval shaped hair shaft?
100
Part of hair that we can see. Projects from the surface of the skin.
What is the hair shaft?
100
One cycle of hair growth has this many phases.
What is 3?
100
Portion of the nail that is visible.
What is the nail body?
100
Skin receptors found all over the body that register temperature.
What are thermoreceptors?
200
Hair shaft that produces curly or kinky hair.
What is flat or ribbon-shaped hair shaft?
200
The middle layer of the hair root. It contains highest levels of pigment.
What is the cortex?
200
The growth phase of hair growth.
What is anagen?
200
Portion of nail buried in a fold of skin.
What is the nail root?
200
Skin receptor made of free nerve endings, not encapsulated.
What are pain receptors (nociceptors)?
300
Hair shaft that produces straight hair.
What is round hair shaft?
300
Part of the bulb of the hair root. It houses the blood vessels.
What is the papilla?
300
The transitional phase of hair growth.
What is catagen?
300
Means "little moon" and is the crescent shaped area of the nail.
What is the lunula?
300
Skin receptors that detect heavy pressure and vibration.
What are Pacinian corpuscles?
400
Blond and red hair contain variants of melanin that contain these two substances.
What are iron and sulfur?
400
Part of the hair root. This is where cell division takes place and new hair cells are formed.
What is the matrix?
400
The resting phase of hair growth.
What is telogen?
400
Secures the nail to the fingertip and is thickened stratum corneum.
What is the hyponychium?
400
Skin receptors that detect light touch. There are two of them.
What are Meissner's corpuscles and Merkel discs?
500
White hair is the result of the accumulation of air bubbles in what part of the hair root?
What is the medulla?
500
When this smooth muscle contracts, it brings the hair follicle perpendicular to the skin and forms goose bumps.
What is the arrector pill?
500
The name for hair when it is separated from the papilla.
What is a club hair?
500
Narrow band of epidermis.
What is the eponychium or cuticle?
500
Associate the number of receptors per square centimeter of skin with the correct type: 1. 200 2. 14 3. 6 4. 1
What are: 1. pain receptors 2. Pacinian corpuscles 3. cold receptors 4. warmth receptors
M
e
n
u