Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/12

Click to flip

12 Cards in this Set

  • Front
  • Back
integumentary system


A
the skin and its accessory structures--hair, nails, various glands, muscles, and nerves--make up this system
skin or cutaneous membrane


A
one of the largest organs of the body in terms of surface area and weight (2 m2, 4.5-5.0 kg or 10-11 lbs)
organ


A
an aggregation of tissues of definite form and usually recognizable shape
system


A
a group of organs that operate together to perform specialized functions
thermoregulation


A
regulation of body temperature
List the functions performed by the skin.

A
1. regulation of body temperature
2. protection of underlying tissues from physical abrasion, microorganisms, dehyddration, and ultraviolet UV radiation
3. excretion of salts and several organic compounds
4. absorption of certain lipd-soluble materials
5. synthese of vitamin D
6. reception of stimuli for touch, pressure, pain, and temperature change sensations
7. serves as a blood reservoir
8. immunity
epidermis


A
the superficial, thinner layer of skin which is avascular
dermis


A
the deeper, thicker layer of skin which is vascular
subcutaneous (subQ)layer (hypodermis)

A
anchors the skin to underlying tissues and organs--contains nerve endings sensitive to pressure called lamellated or pacinian corpuscles
lamellated/pacinian corpuscles

A
nerve endings sensitive to presssure (within the subQ)
What type of cells is the epidermis composed of?

A1
It consists of 4 principal kinds of cells: Keratinocytes, Melanocytes, Langerhans cell, Merkel cells
Keratinocytes
they are the most numerous in a cell--arranged in four or five layers