Epithelial Tissue Flashcards
Name the 4 types of tissue?
1. EPITHELIAL TISSUE \+ 2. CONNECTIVE TISSUE \+ 3. MUSCLE TISSUE \+ 4. NERVOUS TISSUE
What is a tissue?
GROUP OF SIMILAR CELLS THAT FUNCTION TOGETHER TO PERFORM SPECIALIZED ACTIVITIES.
Where is epithelial tissue found?
COVERS BODY SURFACES
+
LINES HOLLOW ORGANS, BODY CAVITIES, & DUCTS
Epithelial tissue forms _________.
GLANDS
Epithelial tissue is arranged in continuous _______ to cover all ‘free’ surfaces.
SHEETS
TRUE or FALSE
Epithelial tissue can be arranged in single or multiple layers.
TRUE
Name the 3 functions of epithelial tissue?
SELECTIVE BARRIERS \+ SECRETORY SURFACES \+ PROTECTIVE SURFACES
List as many examples of epithelial tissue as you can?
SKIN GASTROINTESTINAL TRACT RESPIRATORY TRACT URINARY TRACT LINING OF BLOOD VESSELS AND THE HEART GLANDS
Explain the 3 different surfaces of epithelial tissues?
'FREE' aka APICAL SURFACE (top) \+ LATERAL SURFACES (connected sides of cells) \+ BASAL SURFACE (bottom of epithelium)
Epithelial tissue is ____________ (without blood), and has a nerve supply.
AVASCULAR
What is the name of the thin layer that anchors the epithelial cells to the underlying connective tissue, supporting the epithelium?
BASEMENT MEMBRANE
The basement membrane provides a surface for cell migration during ________ and ________ healing.
GROWTH
and
WOUND healing
Name the 2 classifications of epithelial tissue structure?
- LAYERING
+ - SHAPE
What is one layer of tissue good for the passage of substances referred to as?
SIMPLE
EPITHELIAL TISSUE
What is the name for a single later of tissue, where not all cells reach the free surface?
***Some will have cilia, encouraging movement in the cell, some will secrete mucous (goblet cells)
PSEUDOSTRATIFIED
EPITHELIAL TISSUE
What is the name for more than one layer of epithelial tissue (which is good for protection)?
STRATIFIED
EPITHELIAL TISSUE
When epithelial tissue cells are flat and thin, providing for rapid movement of substances and protection, what is it called?
SQUAMOUS
EPITHELIAL TISSUE
When epithelial tissue cells are cube (or hexagon) shaped and the free surface have microvilli, providing for either secretion or absorption, what is it called?
CUBOIDAL
EPITHELIAL TISSUE
When epithelial tissue cells are taller and wide and the free surface have cilia or microvilli, providing for either secretion or absorption, what is it called?
COLUMNAR
EPITHELIAL TISSUE
Name the 3 layers of epithelial tissue?
SIMPLE EPITHELIAL TISSUE \+ PSEUDOSTRATIFIED EPITHELIAL TISSUE \+ STRATIFIED EPITHELIAL TISSUE
Name the 3 shapes of epithelial tissue?
SQUAMOUS EPITHELIAL TISSUE \+ CUBOIDAL EPITHELIAL TISSUE \+ COLUMNAR EPITHELIAL TISSUE
The skin is made up of which form of layer and shape of epithelial tissue?
STRATIFIED
+
SQUAMOUS
The glandular epithelium boasts 2 kinds, what are they?
EXOCRINE
+
ENDOCRINE
What are glands called which secrete their products into ducts (tubes) that empty onto the epithelial surface?
EXOCRINE GLANDS
What are some examples of exocrine glands?
SWEAT \+ SALIVARY \+ OIL
What are glands called which secrete their products into the interstitial fluid and diffuse directly into the bloodstream without flowing through any duct?
ENDOCRINE GLANDS
What are some examples of endocrine glands?
PITUITARY \+ THYROID \+ ADRENALS
