The dermis has 2 major components, these components are called
What is the Superficial Papillary Level and the Deep Reticular Layer
100
Hairs are non-living structures produced in organs called
What are Hair Follicles
100
These two types of glands are found in the skin.
What are Sebaceous Glands & Sweat Glands.
100
The nail body, the visible portion of the nail, covers an area of the epidermis. The name of this area is called
What is the Nail Bed
200
This epithelial cell is the most abundant in the epidermis.
What is Keritanocytes
200
Loss of skin turgor (flexibility & resilience) is often a sign of what?
What is dehydration
200
Deep to the epidermis, each follicle is wrapped in a dense connective tissue sheath. What is the name of this sheath?
What is a Root Hair Plexus
200
The lipids released from gland cells enter the "open passageway," otherwise known as the what
What is the Lumen
200
This free distal portion that continues past the edge of the nail bed is called the
What is the Free Edge
300
This is the innermost layer of the epidermis.
What is the Stratum Basale.
300
Most of the collagen & elastic fibers at any location are arranged parallel bundles oriented to resist the forces applied to the skin during normal movement. The resulting pattern of fiber bundles in the skin establishes what?
What is Cleavage (tension) lines
300
This bundle of smooth muscle cells are attached to the hair follicle and when stimulated, they produce "goose bumps."
What is the Arrector Pili muscle
300
This secreted lipid product is a mixture of triglycerides, cholesterol, proteins, and electrolytes
What is Sebum
300
Nail production occurs here
What is the Nail Root
400
Thick skin contains a fifth layer, this layer is called
What is the Stratum Lucidum.
400
This layer of the Dermis contains areolar tissue, capillaries, lymphatics, & sensory neurons that supply the surface of the skin.
What is the Papillary Layer
400
Hairs first appear after how many months of embryonic development?
What is three months
400
These sweat glands secrete their products into hair follicles.
What is Apocrine Sweat Glands
400
This is another term for the Cuticle of the nail
What is the Eponychium
500
The stratum corneum is water resistant, but not waterproof. Water from interstitial fluids slowly penetrates to the surface to be evaporated into the surrounding air. You lose about 500 mL of water in this way each day. This process is called
What is Insensible Perspiration
500
In the Dermal Blood Supply, the arteries supplying the skin form networks in the hypodermis along its border with the reticular layer of the dermis. This network is called
What is Cutaneous Plexus
500
As hair grows, the root is firmly attached to the matrix of the follicle. At the end of the growth cycle, the follicle becomes inactive. This hair is now termed, what
What is a "Club Hair"
500
The skin contains these 2 types of Sudoriferous Glands.
What are Apocrine Sweat Glands & Merocrine Sweat Glands
500
Underlying blood vessels near the root of the nail may be obscured, leaving a pale crescent known as the what