Exam 4 part 4 Glands Flashcards
Glands are _______ in function & structure
exocrine
What are the different types of glands?
- Sebaceous gland
- Apocrine
- Eccrine gland
Holocrine secretion (sebum), which lubricates & waterproofs hair & stratum corneum
Sebaceous gland
Clogged ________ ducts due to overproduction of sebum can lead to acne
sebaceous
Branched alveolar in shape, connected to the hair follicle
Sebaceous gland
Sudoriferous (sweat) gland, concentrated in axillary & pubic regions
Apocrine
Produces an odoriferous merocrine secretion in respond to emotional stress
Apocrine
Tubular in shape, connected to the hair follicle
Apocrine gland
Sudoriferous (sweat) gland, found ALL over the body, esp. forehead, back, palms, & soles of feet
Eccrine gland
Produces a thin membrane secretion
Eccrine gland
TRUE sweat gland
Eccrine gland
Functions in evaporative cooling of the body
Eccrine gland
Also eliminated some chemical wastes (lactic acid, uric acid)
Eccrine gland
Tubular in shape, exits directly onto the surface of the skin
Eccrine gland
Tactile receptors, Thermal receptors, Pain receptors are all?
Cutaneous sensory receptors
What are the tactile receptors?
Touch & pressure
Corpusle of touch, Hair root plexus Merkel cell/discs Ruffini's endings/ Corpuscles Are all apart of the?
Touch receptors
Located in the dermal papillae; discriminate touch
Corpuscle of touch ( Meissner’s corpuscle)
Sensory nerve endings wrapped around the base of the hair follicle; discriminative touch (movement of the hair shaft)
Hair root plexus
Type 1 mechanoreceptor, located in the stratum basale; discriminate touch
Merkel cells/ disc
Corpuscle of touch & hair root plexus is located in the?
dermis
Merkel cells/ disc are located in the?
Epidermis
Type II mechanorecptor, located DEEP to the dermis; NON DISCRIMINATE TOUCH
Ruffini’s endings/ corpuscle
- Free nerve endings
- responding to hot or cold temps
- Located in the epidermis
Thermal receptors
- Free nerve endings
- responding to tissue trauma or extreme tissue deformation
- Located in the epidermis
Pain receptors (aka nociceptors)
