Shared Flashcard Set

Details

From Study Guide for Exam 2
Bio A&P 124
14
Anatomy
Undergraduate 1
10/17/2018

Additional Anatomy Flashcards

 


 

Cards

Term
another way cells bind to one another; neighboring cell’s plasma membranes are linked by integral proteins; three major types exist
Definition
cell junctions
Term
three major types of cell junctions:
Definition
{image:|}
Term
hold cells closely together; space between is impermeable to movement of macromolecules
Definition

Tight junctions

 

Term
In tight junctions, integral proteins of adjacent cell's plasma membranes are ______ _________; form seal around apical perimeter of cell. This seal may not be complete, allowing for ________ in some tissues.
Definition
locked together; leakage
Term
tight junctions example: tight junctions exist inside the _______ ________ to keep _______ from....
Definition

digestive tract; bacteria; entering other tissues

 

[note how it keeps something from entering a nearby tissue]

Term
linking integral proteins; allow for materials in extracellular fluid to pass through space between cells
Definition
desmosomes
Term
desmosomes increase strength of tissue by..........; mechanical stress is more ____ ______
Definition
holding cells together; evenly distributed
Term
______________________ are attached to ___________ of cytoskeleton for structural reinforcement in desmosomes
Definition
integral "linker" proteins; intermediate filaments
Term
desmosomes can be found in...
Definition
tissues subjected to a great deal of mechanical stress (epithelia of skin)
Term
desmosome example: exist in _____ to ....
Definition
bladder; hold cells together as bladder fills
Term
     small pores formed by protein channels between adjacent cells; allow small substances to flow freely between each cell’s cytoplasm such as ions
Definition
gap junctions
Term
gap junctions are located in...
Definition
In between cells that communicate with electrical signals such as cardiac muscle cells.
Term
gap junctions illustrate
Definition
Cell–Cell Communication Core Principle
Term

on every internal and external body surface; barrier between body and external environment; line organs and fluid-filled cavities

Definition
Epithelial tissues 
Supporting users have an ad free experience!