Flashcards_-_Integumentary_System
(15 cards)
What is the key information about Muscle Types in the Skin?
Skeletal muscles (facial expression), smooth muscles (rectal, arrector pili)
What is the key information about Blood Supply and Bed Sores?
Compression of small skin blood vessels causes bed sores (decubitus ulcers)
What is the key information about Sensory Receptors?
Pressure, vibration, and temperature receptors; names covered in nervous system chapter
What is the key information about Macrophages in Skin?
Langerhans cells in epidermis; part of immune defense
What is the key information about Skin Appendages?
Hair, nails, glands – derived from epidermis but may extend into dermis
What is the key information about Hair?
Insulation in mammals; hair color from melanin types; structure includes follicle, root, shaft
What is the key information about Nails?
Derived from epidermis; lunula is white part; function – precision and protection
What is the key information about Sebaceous Glands?
Holocrine secretion (entire cell); lubricate hair and skin; active during puberty
What is the key information about Sweat Glands (Eccrine)?
Most common; watery secretion for temperature control; simple coiled tubular
What is the key information about Sweat Glands (Apocrine)?
Thicker secretion; found in armpits/groin; emotional control
What is the key information about Ceruminous Glands?
Modified apocrine glands; produce earwax (cerumen)
What is the key information about Mammary Glands?
Modified apocrine; produce milk; structure: glands, ducts, suspensory ligaments
What is the key information about Breast Exam Notes?
75% of breast mass is in upper outer quadrant; dimpling may indicate tumors
What is the key information about Temperature Regulation?
Normal: 97.3–98.8°F; regulation via radiation, convection, conduction, evaporation
What is the key information about Burns?
1st (redness), 2nd (blisters), 3rd (full-thickness); critical if affecting face, hands, or large areas
