Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
74 Cards in this Set
- Front
- Back
What are tissues?
|
Group of cells similar in structure and function.
|
|
What are the four types of tissue?
|
-Epithelial
-Connective -Muscle -Nervous |
|
What is epithelial tissue?
|
A sheet of cells that covers a body surface or lines a body cavity.
|
|
What are the two types of epithelial tissue?
|
-Covering and lining epithelia
-Gladular epithelia |
|
Characteristcs of _____ tissue:
-Cells have polarity -Composed mostly of packed cells -Supported by a connective tissue -High rate of regeneration |
Epithelial.
|
|
How many layers does Simple Epithelium have?
|
One.
|
|
How many layers does Stratified Epithelium have?
|
More than one.
|
|
What does Squamous mean?
|
Scale like / Flat.
|
|
What does Cuboidal mean?
|
Cube-like.
|
|
What does Columnar mean?
|
Column-like.
|
|
Simple Squamous is located in the _____ and the _____.
|
Endothelium, Mesothelium.
|
|
This type of Epithelial tissue is rare in the body.
|
Stratified Cuboidal.
|
|
Where is Stratified Cuboidal Epithelial tissue found?
|
Sweat glands and Mammary glands.
|
|
A _____ is one or more cells that make and secrete an aqueous fluid.
|
Gland.
|
|
Define: -crine
|
To secrete
|
|
Define: -endo
|
Within
|
|
Define: -exo
|
Outside
|
|
____ is a slimy coating that both protects and lubricates surfaces.
|
Mucus.
|
|
What are the two modes of secretion?
|
Merocrine and Horocrine
|
|
What tissue is the most abundant in the body?
|
Connective tissue
|
|
What are the four types of connective tissue?
|
-Connective Tissue Proper
-Cartilage -Bone -Blood |
|
Functions of ____ tissue:
-Bind and support -Protect -Insulation -Transportation |
Connective
|
|
What are the 3 types of fibers?
|
-Collagen
-Elastic -Reticular |
|
What is the function of a macrophage?
|
Phagocytizes tissue cells
|
|
_____ is the most compressible type of cartilage.
|
Fibroblasts
|
|
A lymphocyte is also known as a ____.
|
White Blood Cell.
|
|
A fat cell is also known as ____.
|
Adipose Cell
|
|
______ are immune cells that detect foreign substances and inflammatory response
|
Mast Cells
|
|
What is the smallest blood vessel in the body?
|
Capillary
|
|
This is the most abundant type of WBC
|
Neutrophil
|
|
What are the 3 types of cartilage?
|
-Hyaline
-Elastic -Fibrocartilage |
|
What are Intercalated Disks?
|
Specialized/unique connections between myocardial calls containing gap junctions and desmosomes.
|
|
What are the three steps in tissue repair?
|
1.Inflammation
2.Organization and Restored Blood Supply 3.Regeneration and Fibrosis |
|
The Skin consists of 3 major regions; What are they?
|
(From top to bottom)
1.Epidermis 2.Dermis 3.Hypodermis |
|
The _____ layer is deep to the skin; not technically part of the skin.
|
Subcutaneous
|
|
The Epidermis is made up of ______ ______ ______ ______.
|
Keratinized stratified squamous epithelium
|
|
A Keratinocyte produces ______.
|
Keratin
|
|
A Melanocyte produces _______.
|
Melanin.
|
|
What are the 5 layers of the Epidermis?
|
-Stratum Basale
-Stratum Spinosum -Stratum Granulosum -Stratum Lucidum -Stratum Corneum |
|
Which layer of the Epidermis is the "Basal" layer?
|
-Stratum Basale
|
|
Which layer of the Epidermis is the "Prickly" layer?
|
Stratum Spinosum
|
|
Which layer of the Epidermis is the "Granular" layer?
|
Stratum Granulosum
|
|
Which layer of the Epidermis is the "Clear/Glass Layer" layer?
|
Stratum Lucidum
|
|
Which layer of the Epidermis is the "horny" layer?
|
Stratum Corneum
|
|
How long does it take for a cell to travel from the basal layer of the epidermis to the surface?
|
25-45 days.
|
|
______:
-Strong/Flexible connective tissue -Cells include fibroblasts, macrophages, and sometimes mast and WBC |
Dermis
|
|
What are the two layers of the Dermis?
|
-Papillary
-Recticular |
|
The ____ layer of the dermis contains areolar connective tissue with collagen, elastic fibers, and blood vessels.
|
Papillary
|
|
The ____ layer of the dermis makes up approx. 80% of the thickness.
|
Recticular
|
|
What are the three pigments that contribute to skin color?
|
-Melanin
-Carotene -Hemoglobin |
|
____ produces a reddish-brown to black that is responsible for dark skin colors.
|
Melanin
|
|
____ produces a yellow-orange color that can be found on the palms and soles of the feet.
|
Carotene
|
|
____ produces a pinkish color that is responsible for a pinkish/red hue to the skin.
|
Hemoglobin
|
|
____ colored skins are found near the equator and ____ colored skins are found near the poles.
|
Darker, Lighter
|
|
What are 3 appendages of the skin?
|
-Sweat glands
-Oil Glands -Hairs/Hair follicles |
|
What are the two main types of Sweat (sudoriferous) glands?
|
-Eccrine
-Apocrine |
|
What are the two main functions of hair?
|
-Altering the body to presence of insects on the skin
-Guarding the scalp against physical trauma, heat loss, and sunlight |
|
_____ consists of dead keratinized cells.
|
Hair
|
|
_____:
-extends from epidermal surfase into dermis |
Hair follicle
|
|
________ is the smooth muscle attached to follicle and is responsible for goose bumps.
|
Arrector Pilli
|
|
_____ is pale, fine body hair found on children and adult females.
|
Vellus
|
|
____ is coarse, long hair of eyebrows, scalp, axillary, and pubic regions. (as well as on the neck and face of males.)
|
Terminal
|
|
_____ is hair thinning/baldness.
|
Alopecia.
|
|
Dihydrotestosterone (DHT) is...
|
..is an androgen (male sex hormone).
|
|
_____ is excessive hair growth.
|
Hirsutism (werewolf syndrome)
|
|
What are the 6 functions of the integumentary system?
|
-Protection
-Body temp regulation -Cutaneous sensations -Metabolic functions -Blood reservoir -Excretion |
|
Most skin tumors are ______.
|
Benign
|
|
What are the three types of skin cancer? (from most common to less common)
|
1.Basal Cell Carcinoma
2.Squamous Cell Carcinoma 3.Melanoma |
|
What are the four symptoms of Melanoma? (A.B.C.D.)
|
-Asymmetry
-Borders exhibits indentations -Color is black/brown/tan/red/blue -Diameter is larger than 6mm (tip of pencil) |
|
Burns can be caused by....
|
Heat, electricity, radiation, and certain chemicals.
|
|
What are the 3 immediate threats of burns?
|
-Dehydration
-Electrolyte imbalance -Renal shutdown and Circulatory Shock |
|
_____ degree burns -- Epidermal damage only. Redness, swelling.
|
First
|
|
_____ degree burns -- Epidermal damage. Blisters.
|
Second
|
|
_____ degree burns -- entire thickness of skin damaged.
-Gray white, red, or black. -No initial pain -Skin grafting necessary |
Third
|