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HOSA: Med Term Integumentary Part 1
This deck covers key terms and concepts related to the integumentary system, including definitions and functions of various components such as skin, glands, and tissues.
define SKIN
protective layer covering external body surface
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Key Terms
Term
Definition
define SKIN
protective layer covering external body surface
define SEBACEOUS GLANDS
secrete sebum, lubricates skin, & discourage bacteria growth
define HAIR
controls loss of body heat
aka: unguis
nails
define LUNULA
half moon region @ every nail root where new keratin cells form
define CUTICLE
narrow band of epidermis attached to nail to protect new keratin cells
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| Term | Definition |
|---|---|
define SKIN | protective layer covering external body surface |
define SEBACEOUS GLANDS | secrete sebum, lubricates skin, & discourage bacteria growth |
define HAIR | controls loss of body heat |
aka: unguis | nails |
define LUNULA | half moon region @ every nail root where new keratin cells form |
define CUTICLE | narrow band of epidermis attached to nail to protect new keratin cells |
define NAIL ROOT | fastens nail to finger via groove in skin |
define EPIDERMIS | outermost layer of skin of 5 layers w/no vessels or connective tissue |
define EPITHELIAL TISSUES | protective covering for all internal & external surfaces |
describe SQUAMOUS EPITHELIAL TISSUE | makes up upper layer of dermis; flat, scaly cells continuously shed |
describe KERATIN | fibrous, H2O repellent protein; soft & hard |
define MELANOCYTES | cells that make melanin |
aka: dermis | corium |
define COLLAGEN | tough & flexible fibrous protein |
define MAST CELLS | connective tissue of dermis that responds to injury, infection, allergy, & makes & releases substances (heparin & histamine) |
define HEPARIN | anticoagulant that responds to injury |
define HISTAMINE | causes symptoms of allergic responses |
define SENSORY NERVE ENDINGS | sensory receptors for touch, temperature, pain & pressure |
define SUBCUTANEOUS LAYER | connect skin to surface muscle made of connective & adipose tissue |
define ECCRINE GLANDS | sudoriferous glands all over skin |
define APOCRINE GLANDS | sudoriferous glands @ hair follicles |
define PORES | openings on skin acting as sweat gland ducts |
define PERSPIRATION | 99% H2O & other waste products that cool body & interact w/bacteria on skin |
define HIDROSIS | production & excretion of perspiration |
define MAMMARY GLANDS | modified sweat glands |
define GRANULATION TISSUE | normally forms during healing leading to a scar |
define PYODERMA | any acute, inflammatory, pus-forming bacterial skin infection |
define ACNE VULGARIS | chronic & inflammatory overproduction of sebum around shaft leading to pus |
define COMEDO | non infected lesion from buildup of sebum & keratin in follicle w/acne vulgaris |
define WHITEHEAD | comedo w/obstructed opening |