Table of Contents
What produces an accumulation of oily material that is known as a blackhead?
sebaceous glands. produces an accumulation of oily material that is known as a blackhead.
What gland produces an oily material?
Sebaceous gland, small oil-producing gland present in the skin of mammals. Sebaceous glands are usually attached to hair follicles and release a fatty substance, sebum, into the follicular duct and thence to the surface of the skin.
What type of gland secretes an oily substance that makes the skin waterproof?
Sebaceous glands are associated with hair follicles and secrete sebum, which acts to lubricate and waterproof the skin and hair [2].
What is the sheath formed of epithelial and connective tissues?
Description of Sullivan Integumentary System Test
| Question | Answer |
|---|---|
| The must numerous variety of perspiration gland is the | Eccrine sweat gland |
| A sheath formed of both epithelial and connective tissues is the | hair follicles |
What are tiny muscles attached to hair follicles?
Arrector Pili Muscle – This is a tiny muscle that attaches to the base of a hair follicle at one end and to dermal tissue on the other end. In order to generate heat when the body is cold, the arrector pili muscles contract all at once, causing the hair to “stand up straight” on the skin.
What becomes more active at puberty?
Sweating increases as the sweat glands become more active The increase in various hormones during puberty makes the body’s sweat glands more active and they produce more sweat.
Which skin layer is mitotically active?
Stratum Basalis
Stratum Basalis (Basal cell layer): This layer is deepest and closest to the dermis. It is mitotically active and contains melanocytes, a single row of keratinocytes, and stem cells.
What layer of the epidermis produces hair and nails?
Keratinocytes
The Squamous Cell Layer Keratinocytes produce keratin, a tough, protective protein that makes up the majority of the structure of the skin, hair, and nails. The squamous cell layer is the thickest layer of the epidermis, and is involved in the transfer of certain substances in and out of the body.
How deep in the skin are hair follicles?
A good scalp biopsy should include terminal hair bulbs and usually is 0.8 to 1cm deep. Article Transverse microscopic anatomy of the human scalp.
What causes blackheads to form in the hair?
Answer. a blackhead is an accumulation of oily material produced by what. sebaceous gland. tiny muscles attached to the hair follicles that pull the hair upright during fright or cold. arrector pilli. the most numerous variety of perspiration gland. sweat gland eccecrin.
What produces an accumulation of oily material that is?
Click to see full answer. Regarding this, what is a blackhead quizlet? a blackhead is an accumulation of oily material produced by ___ arrector pilli. tiny muscles attached to hair follicles that pull the hair upright during fright or cold. eccrine sweat glands. the most numerous variety of perspiration glands.
What makes your hair turn black in cold weather?
produces an accumulation of oily material that is known as a blackhead. arrector pili. tiny muscles, attached to hair follicles, that pull the hair upright during fright or cold. sweat gland-eccrine. perspiration glands with a role in temperature control.