Shared Flashcard Set

Details

Med. Term. Systems
Integumentary
43
Medical
11th Grade
09/15/2011

Additional Medical Flashcards

 


 

Cards

Term
Anatomy
Definition
Epidermis, Dermis, and Subcutaneous levels and their accessory organs
Term
Physiology
Definition
Protective barrier from infection,temperature regulation, and acts as a sensory mecanism
Term
Epidermis
Definition
thin, outer membrane layer
Term
what is the epidermis composed of?
Definition
stratified squamous epithelium
Term
Is there blood supply in the Epidermis layer?
Definition
No
Term
How does the Epidermis layer obtain its nourishment?
Definition
deeper layers of skin
Term
Basal Layer
Definition
deepest layer within the Epidermis
Term
Keratin
Definition
hard protein,allows the skin to act as a protectiver barrier for infection and makes it waterproof
Term
Melanocytes
Definition
special cells that produces black pigment
Term
Melanin
Definition
black pigment responsible for color of the skin, protects against damage from the ultraviolet (UV) rays
Term

Dermis (CORIUM)

 

Definition
middle layer of skin located between the epidermis & subcutaneous layers
Term
What is the Dermis composed of?
Definition
living tissue, connective tissue, & collagen fibers
Term
Is there blood supply in the dermis?
Definition
yes and its very good
Term
What is the function of the dermis?
Definition

gives the skin its strength

 

Term
What does the dermis house?
Definition
  • hair follicles
  • sweat glands
  • sebaceous gland
  • blood vessels
  • lymph vessels
  • sensory receptors
  • nerves fibers
  • muscle fibers
Term

Subcutaneous (hypodermis)

 

Definition
deepest layer of the skin
Term
What is the subcujtaneous layer composed of?
Definition

fat cells called lipocytes

(adipose Tissue)

Term
What is the function of the Subcutaneous layer?
Definition

protects the deeper tissues of the body

acts as insukation for heat and cold

Term
How many main functions does Physiology have?
Definition
4
Term
Primary function of physiology is to what?
Definition
  • protective two-way barrier
  • keeps pathogens & chemicals from entering the body
  • keeps fluids from exiting & keeps us hydrated
  • prevents damage to internal organs 
Term
Physiology houses what?
Definition
  • sensory receptors
     
Term
What do sensory receptors detect?
Definition
  • touch
  • heat & cold
  • pain
  • pressure 
Term
Physiology also produces fluids via________& ___________?
Definition
  • sweat glands
    • assists with temperature regulation 
  • sebaceous glands
    • produces sebum
Term
Physiology has temperature regulation which protects against heat by_______&________?
Definition

evaporation of sweat from the skin

dilation of blood vessels

Term
Physiology regulates temperature and protects against cold by ______&_____?
Definition

constriction of blood vessels

subcutaneous layer insulates

Term
Accessory Organs
Definition
anatomical structures located within the dermis
Term
What are some accessory organs?
Definition
  • hair
  • nails
  • sebaceous glands
  • sweat glands 
Term
What is the hair made up of?
Definition
fibers composed of keratin
Term
What is the hair shaft?
Definition
older keratinzed cells
Term
What is the hair follicle?
Definition
the hair shaft and hair root all in one
Term
What is the hair root?
Definition
deeper cells of the hair
Term
How does the hair get its color?
Definition
melanin
Term
What causes goose bumps?
Definition
when a muscle contracts and the hair shaft sticks up
Term
What is the nail body?
Definition
flat plate of keratin that covers the end of fingers and toes
Term
What is the nail bed?
Definition
connects the nail body to the tissue underneath
Term
What is the nail root?
Definition
base of nail
Term
What is the cuticle?
Definition
soft tissue covering the nail root
Term
What is the lunula?
Definition
light-colored half-moon at the base of the nail
Term
Where are the sebaceous glands located?
Definition

dermis

 

Term
What do the sebaceous glands produce
Definition
sebum
Term
What is the function of sebaceous gland?
Definition
lubricate the hair and skin
Term
When do secretions increase?
Definition
adolescence
Term
When do secreations decrease?
Definition
aging
Supporting users have an ad free experience!