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Integumentary System
M6 Phase 1
37
Medical
Undergraduate 1
05/28/2013

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Cards

Term
Apocrine Gland
Definition
Type of gland whose secretions contain parts of secretory cells, only found in pits and groin, larger than eccrine glands
Term
Arrector Pili Muscle
Definition
Smooth muscle in skin associated with a hair follicle
Term
Basement Membrane
Definition
Layer of extracellular matrix that anchors epithelial tissue to underlying connective tissue
Term
Collagen
Definition
Protein in connective tissue and in bone matrix
Term
Cutaneous
Definition
Pertaining to the skin
Term
Dermis
Definition
Thick layer of the skin beneath the epidermis, composed mainly of connective tissue, living throughout
Term
Eccrine
Definition
Sweat gland that maintains body temperature, thermal regulator, located in the dermis
Term
Epidermis
Definition
Outer epithelial layer of the skin, protective, shields against water loss, mechanical injury, harmful chemicals, and micro-organisms
Term
Hair Follicle
Definition
Tubelike depression in the skin in which hair develops
Term
Integumentary System
Definition
Skin and accessory organs
Term
Keratin
Definition
Protein in epidermis, hair and nails
Term
Keratinization
Definition
Process by which cells form fibrils of keratin and harden, maturing cells move towards the surface
Term
Melanin
Definition
Dark pigment normally found in skin and hair
Term
Melanocytes
Definition
melanin producing cell
Term
Sebaceous Gland
Definition
Skin gland that secretes sebum, not located in the palms of the hands or the soles of the feet
Term
Subcutaneous (Hypodermis)
Definition
Beneath the skin
Term
Sweat (Sudoriferous) Gland
Definition
Exocrine gland in skin that secretes a mixture of water, salt, urea, and other bodily wastes. Eccrine and apocrine glands.
Term
Stratum Corneum
Definition
Outermost layer of the epidermis, composed of dead cells
Term
Stratum Lucidum
Definition
Only in the hands and feet
Term
Stratum Granulosum
Definition
Third layer of the epidermis
Term
Stratum Spinosum
Definition
Second to last layer of the epidermis
Term
Stratum Basale
Definition
Bottom layer of the epidermis, contains cells undergoing mitosis, also known as stratum germinativum
Term
Melanocytes
Definition
Produce skin pigment melanin which protects underlying cels from the effects of UV rays
Term
Fiber Types of Dermis - Connective Tissue
Definition
White collagen and yellow stretchable
Term
Subcutaneous layer is composed of?
Definition
Connective tissue and adipose tissue
Term
Dermal Papillae
Definition
Striations between the epidermis and the dermis
Term
Hair Follicle
Definition
Covers all body surfaces except the palms, soles, lips, nipples, and external reproductive organs
Term
Sebum
Definition
Keeps hair and skin soft, pliable, and waterproof; composed of fatty material and cellular debris
Term
Nails
Definition
Rigid plates covering the tips of the digits, produced by epidermal cels that undergo keratinzation
Term
Receptors
Definition
Make it possible for the skin to act as a sense organ
Term
Mesissner Receptors
Definition
Tactile and close to surface
Term
Pacini Receptors
Definition
Used for pressure and are deeper in the skin
Term
Free Nerve Ending
Definition
Respond to pain
Term
Krause End Bulb
Definition
Sense vibration
Term
Serous Membranes
Definition
Composed of two layers of tissues; epithelial sheet and connective tissue
Term
Parietal Serous Membranes
Definition
Wall of cavity "wallpaper"
Term
Visceral Serous Membranes
Definition
Surface of the organs
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