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Chapter 6 Review for Test
Chapter 6 Review for Test
48
Medical
Undergraduate 1
11/13/2012

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Term
Mucus Membranes
Definition
Epihelial membranes that line the body surfaces opening directly to the exterior and secrete a thick, slippery material call mucus.
Term
Connective Tissues
Definition
Most abundant and widely distributed tissue in the body and has numerous functions.
Term
Epithelial Membranes
Definition
Membrane composed of epitheleal tissue with an  underlying layer of specialized connective tissue.
Term
Epidermis
Definition
"false" skin; outer-most layer of the skin.
Term
Keratin
Definition
Protein substance found in hair, nails, outer skin cells, and horny tissues.
Term
Stratum Corneum
Definition
The tough outer layer of the epidermis: cells are filled with keratin.
Term
Stratum Germinativum
Definition
The inner-most layer of the tightly packed epithelial cells of the epidermis: cells in this layer are able to reproduce themselves.
Term
Protection
Definition
Function of the Skin
Term
Dermal-Epidermal Junction
Definition
Junction between the thin epidermal layer of the skin and the dermal later: provides support for the epidermis.
Term
Vitiligo
Definition
Patchy areas of light skin caused by acquired loss of epidermal melanocytes.
Term
Cyanosis
Definition
Condition in which light skinner individuals exibit a bluish coloration resulting from relatively low oxygen content in the arterial blood: literally "blue condition"
Term
Sense Organ
Definition
Skin is a Sense organ- makes it possible for us to respond to the sensations of pain, heat, and cold
Term
Striae
Definition
"stretch Marks" caused by stretching of the skin beyond its ability to rebound.
Term
Lanugo
Definition
The extremely fine and soft hair found on a newborn infant.
Term
Hair Papilla
Definition
A small, cap-shaped cluster of cells located at the base of the follicle where hair growth begins.
Term
Dermis
Definition
The deeper of the two major layers of the skin, composed of dense fibrous connective tissue interspersed with glands, nerve endings, and blood vessels. Sometimes called the "true skin."
Term
Meissner Corpuscle
Definition
A sensory receptor located in the skin close to the surface that detects light touch, also known as tactile corpuscle.
Term
Hair Shaft
Definition
Term
Temperature Regulation
Definition
Function of the Skin, releases calories through heat, regulates sweat secretion, and flow of blood close to the body surface. When sweat evaportated, heat is lost.
Term
Melanin
Definition
Brown skin pigment
Term
Eccrine Glands
Definition
Small sweat glands distributed over the total body surface.
Term
Appocrine Glands
Definition
Sweat glands located on the axilla and genital regions: these glands enlarge and begin to function at puberty.
Term
Arrector Pilli
Definition
Smooth muscles of the skin, which are attached to hair follicles. When contraction occurs, the hair stands up, resulting in goose bumps.
Term

Impetigo
Definition
A highly contagious bacterial skin infection that occurs most often in children.
Term
Scabies
Definition
Contagious skin condition caused by the itch mite.
Term
Excoriation
Definition
Skin lesion in which epidermis has been removed, as in a scratch wound.
Term
Hypodermis
Definition
The loose ordinary tissue just under the layers of skin and superficial to the muscles. made of loose connective tissue and fat.
Term
Pleura
Definition
The serous membrane in the thorasic cavity.
Term

 Squamous cell carcinoma

Definition
Malignant tumor of the epidermis; slow-growing concer that is capable of metastasizing; the most common type of skin cancer.
Term

 Melanoma

Definition
A malignant neoplasm (cancer) of the pigment-producing cells of the skin(melanocytes.)
Term

Basil cell carcinoma

Definition
 Skin cancer, often occurring on the upper face, with low potential for metastasizing.
Term

 Exposure to sun

Definition
 The most common cause of skin cancer.
Term

Tinea

Definition
-  fungal infection of the skin.
Term

Sebaceous glands

Definition
oil- producing glands found in the skin.
Term

 Onycholysis

Definition
Separation of nail from the nail bed that begins at the distal or the free edge of the affected nail.
Term

  Nail body

Definition
- The visible part of the nail.
Term

 Lamellar (pacini) corpuscle

Definition
- A receptor found deep in the dermis that detects pressure on the skin surface.
Term

   Alopecia

Definition
Clinical term referring to hair loss.
Term

  Kaposi sarcoma

Definition
 A malignant neoplasm (cancer) of the skin characterized by purplish spots.
Term

3rd degree

Definition
- Involves complete destruction of both epidermis and dermis with injury extending into subcutaneous tissue.
Term

2nd degree

 

Definition
Burn injury that is more severe than a 1st degree burn and often involves damage to the dermis.
Term

     1st degree

 

Definition
Minor burn with only minimal discomfort and no blistering.
Term

 Vesicle

Definition
 A clinical term referring to blisters. Fluid filled skin lesions.
Term

Rule of nines

Definition
- a frequently used method to determine the extent of a burn injury the body is divided into 11 areas of 9% each to help estimate the amount of skin surface burned in an adult.
Term

 Decubitus ulcers

Definition
- Pressure sore that often develops over a bony prominence when lying in one position too long.
Term

 Peritonitis

Definition
- Inflammation of the serous membranes in the abdominopelvic cavity.
Term

Birthmarks

Definition
- a congenital circumscribed blemish or spot on the skin.
Term

 Fissure

Definition
-    Painful condition in which a cut or tear occurs in the anus
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