Shared Flashcard Set

Details

Neuroscience
Neuroscience Quiz 2
20
Biology
Undergraduate 3
02/25/2009

Additional Biology Flashcards

 


 

Cards

Term
K+ A)Intracellular and B)Extracellular concentrations
Definition
A) 5mm
B) 100mm
Term
Na+ A)Intracellular and B)Extracellular concentrations
Definition
A) 150mm
B) 15mm
Term
Cl- A)Intracellular and B)Extracellular concentrations
Definition
A) 150mm
B) 13mm
Term
Ca2+ A)Intracellular and B)Extracellular concentrations
Definition
A) 2mm
B) 2 X 10-4 mm
Term
Supportive cells of the CNS
Definition
Astrocytes, Oligodendrocytes, Microglial cells
Term
Supportive cells of the PNS
Definition
Schwann cell
Term
What determines the end of the cell body and the beginning of the axon?
Definition
The Nissl body
Term
Cytoskeletal elements:
Definition
Microtubules, Neurofilaments, Microfilaments
Term
Microtubules are made up of __ protofilaments
Definition
13
Term
Tail region of axon is: A) polar B) nonpolar
Definition
B
Term
Head region of axon is: A) polar B) nonpolar
Definition
A
Term
Tail portions of microtubules point toward: A) soma B) terminal
Definition
A
Term
Head portions of microtubules point to: A) soma B) terminal
Definition
B
Term
Treadmilling
Definition
Microtubules added to terminal end, causing neuron growth/repair and aid in transporting neurotransmitters
Term
Neurofilaments made up of __ strands of keratin
Definition
4
Term
Neurofilaments major role in axon:
Definition
structural stability
Term
Syndromes caused my tangled neurofilaments
Definition
Parkinson, Down Syndrome, Huntington, Alzheimer
Term
Microfilaments make what dendrite related structure?
Definition
Dendritic spines
Term
__ increases surface area, increases connections and releases neurotransmitters
Definition
dendritic spines
Term
1st region of initial segment capable of creating its own action potential
Definition
Axon hillock
Supporting users have an ad free experience!