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Dermis

Human Anatomy 232

TermDefinition
Dermis Dense, fibrous, connective tissue layer Contains collagen. aka true skin
Papillary Layer superfiscal dermis, areolar connective tissue, made up of dermal papillae
Reticular Layer deeper dermis, dense irragular connective tissue, name means "network" and refers to the meshwork of collagen fibers
Striae aka stretch marks. a stripe or line distinguished from surrounding tissue by color, texture, or elevation.
Hypodermis is made of? aka subcutaneous, areolar connective and adipose tissue,
Hair bulb epithelial, where the hair originates in the dermis
Hair root is the hair within the follicle internal to the skin surface
Hair shaft the portion of the hair that extends above the surface
Hair follicle oblique tube that surrounds the root hair
Arrector pili muscle thin ribbons of smooth muscle, stimulated in response to an emotional state, upon stimulation they create "goose bumps"
Eccrine gland produce sweat in response to emotional tension, heat and pain, sweat aids to control body temperature
Where is Apocrine gland found distributed in axillary, anal, areolar, and public regions
Sebaceous associated with hair follicles, produce sebum which coats lubricants and acts an antibacterial
Ceruminous glands External acoustic meatus and produces cerumen
Mammary breasts, milk to nourish offspring
Free nerve ending termainal branches of dendrites. least complex tactile receptor and are close to the skin surface
root hair plexus specialized free nerve endings, sheathed around hair follicles in the reticular layer of the dermis
Tactile cells specialized epithelial that stimulate sensory nerves for touch. most numerous type of receptor
Krause bulb mucous membrane of the oral cavity, where they detect light pressure stimuli and low-frequency vibrations
Ruffini corpuscle detect continuous deep pressure and distortion in the skin. located in the dermis and subcutaneous layers
Pacinian corpuscle aka Lamellated, detect deep pressure and high-frequency vibration.
Meissner corpuscle aka Tactile corpuscle, larger than pacinian, detect light touch, shapes, and texture.
Hypodermics pads and protects the body, acts as an energy reservoir, and provides thermal insulation.
Apocrine glands produce viscous, complex secretion, influenced by hormones, asks in signaling/communication.
Pacinian corpuscle are found deep within the reticulay layer of the dermis, palms, feet, breast, external genitalia, synovial membranes of joints and in the walls of some organs.
Meissner corpuscles are found housed within the dermal papillae of lips, palms, eyelids, nipples, and genitals
Created by: Technopirate