Ch. 6 Flashcards
(29 cards)
Dermis
The inner layer of the skin
Epidermis
The outer layer of the skin
Keratinocyte
An epidermal cell that produces keratin
Melanocyte
Pigment cell
Stratum basale
The deepest layer of the skin
Stratum Granulosum
A thin layer of cells in the epidermis
Stratum Lucidum
Clear layer of dead skin cells
Stratum Corneum
The horny outer layer of the skin
Papillary layer
the superficial layer of the dermis
Dermal Papilla
the surface of the skin in hands, feet
Meisner’s Corpuscle
a sensory nerve ending the sensitive mechanical stimuli ,found in the dermis
Reticular layer
composed of dense irregular connective tissue; packed collagen fibers
Pacinian corpuscle
a sensitive nerve that acts as a receptor for pressure/vibration
Cleavage lines of the skin
linear clefts in the skin indicative of directions of the fibers
Sebaceous gland
secretes a lubricating oily matter(sebum) into the hair follicles
Sudoriferous gland
small tubular structures of the skin that produce sweat
Merocrine gland
maintain their integrity throughout the secretory cycle
Apocrine gland
doesnt become active until puberty
Subcutaneous
situated or applied under the skin
Hair follicle
small secretory cavity, sac, gland
Arrector pili muscle
Small muscles attached to the hair follicle
Nail body
The dorsal aspect of the terminal phalanges
Free edge
The portion of the nail from the smile line to the distal edge
Nail bed
the layer of the cells underlying the fingernail
