Cell Junctions Structural Features of Epithelia Types of Epithelial Tissue Glandular Secretion Glands
100
What is a Desmosome?
An anchoring junction where cadherins anchor lateral surfaces of adjacent cells together.
100
What is the Basement Membrane?
Composed of basal lamina that attaches epithelium to deeper reticular lamina.
100
What is Keratinized Stratified Squamous Epithelium?
The top layers of these cells are dead and they function as dry protection against abrasion.
100
What are Hormones?
The secretions of endocrine glands.
100
What is a Gland?
A structure made up of one or more cells modified to synthesize and secrete chemical substances.
200
What is a Gap Junction?
An intercellular passageway that allows ions to pass between adjacent cells.
200
What is the Lumen?
The free space of an epithelial cell.
200
What is Ciliated Psuedostratified Columnar Epithelium?
Tall, narrow apical cells with cilia. One lay of cells but they may appear to have more than one layers.
200
What is Holocrine Secretion.
Type of glandular secretion where the cell is destroyed as it releases its product.
200
What is a Exocrine Gland?
Gland with duct that opens directly or indirectly to external environment.
300
What is a Tight Junction?
A structure that separates cells into apical and basal compartments.
300
What is a Cell Junction?
A specialized intercellular connection between epithelial cell membranes.
300
What is Simple Cuboidal Epithelium?
Epithelium with one layer of box shaped cells, found lining the renal tubules.
300
What are Exocrine Gland Secretions.
Mucous, sweat, saliva and breast milk.
300
What is a Serous Membrane?
These glands produce watery, enzyme rich secretions.
400
What is an Adherens Junction?
These junctions influence the shape and folding on the epithelial tissue.
400
What is the Apical Surface?
The exposed surface of an epithelial cell.
400
What is Non-Keratinized Stratified Squamous Epithelium?
Epithelium that functions for moist protection against abrasion; found lining the human oral cavity and esophagus.
400
What is Merocrine Secretion.
Secretion where the cell itself remains intact and the contents are released through exocytosis.
400
What is a Endocrine Gland?
Ductless gland that secretes into surrounding tissue and fluid.
500
What is an Anchoring Junction?
A cell junction that helps stabilize epithelial tissue.
500
What is the Basal Lamina?
This structure provides an attachment site for epithelium, separating it from underlying connective tissue.
500
What is Transitional Epithelium?
This type of Epithelium is found in the human urinary system and functions to provide stretching and distension.
500
What is Apocrine Secretion.
Secretion where the apical portion of the cell is released as well.
500
What is a Mucous Gland?
Glands that produce secretion rich in glycoprotein mucin.






4.2 - Epithelial Tissue

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