Back to AI Flashcard MakerMedicine /HOSA: Med Term Integumentary Part 1
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 |