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Introduction to Neurobiology
Final Exam
30
Biology
Undergraduate 3
05/01/2009

Additional Biology Flashcards

 


 

Cards

Term

Pre-ganglionic neurons of sympathetic division


1. Length

2. Neurotransmitter

3. End point

Definition

1. Short

2. Acetylcholine

3. Sympathetic chain ganglia

Term

Post-ganglionic neurons of sympathetic division

 

1. Length

2. Neurotransmitter

3. Start point

Definition

1. Long

2. Norepinephrine

3. Sympathetic chain ganglia

Term

Pre-ganglionic neurons of parasympathetic division

 

1. Length

2. Neurotransmitter

3. End point

Definition

1. Long

2. Acetylcholine

3. More distant ganglia

Term

Post-ganglionic neurons of parasympathetic division

 

1. Length

2. Neurotransmitter

3. Start point

Definition

1. Short

2. Acetylcholine

3. More distant ganglia

Term
Sensory Synapse for Central Control of Autonomic Function
Definition
Nucleus of the solitary tract (NTS)
Term

Four componenets of the medial temporal lobe

Definition

1. Hippocampus

2. Entorhinal cortex

3. Perirhinal cortex

4. Parahippocampal cortex

Term

2 hypotheses of hippocampal function

Definition

1. Spatial mapping

2. Relational processing

Term

 

Korsakoff’s Syndrome
Definition

 

Alcohol inhibits Vit. B1 (thiamine) absorption
Term
Transcription factor activated by PKA
Definition
CREB
Term
Enzyme that breaks down regulatory subunit of PKA, which causes a persistent increase in the amount of free catalytic subunit
Definition
Ubiquitin hydroxylase
Term
Transcription factor that leads to production of other proteins that direct the building of additional synapses between siphon sensory neuron and motor neuron
Definition
C/EBP
Term

 

3 “regions” of hippocampus
Definition

 

1. Dentate Gyrus (DG)
2. CA3
3. CA1
Term
Hippocampal pathway from EC to DG
Definition
perforant pathway
Term
Hippocampal pathway from DG to CA3
Definition
mossy fiber pathway
Term
Hippocampal pathway from CA3 to CA1
Definition
Schaffer collateral pathway
Term
Motor End Plate
Definition
Post-synaptic membrane of NMJ
Term
flaccid paralysis
Definition
Impaired muscle contraction
Term
Spastic Paralysis
Definition
Excessive muscle contraction
Term
Motor unit
Definition
one motor neuron and all the muscle cells it controls
Term
Motor Neuron Pool
Definition

All motor neurons involved in the control
of a whole skeletal muscle

Term

3 important elements of

§LATERAL CORTICOSPINAL TRACT AND end point

 

Definition

1. Internal capsule

2. Medullary Pyramid

3. Pyramidal decussation

 

End point: Lateral intermediate zone and lateral motor nuclei

Term
Cranial Nerves of corticobulbar tract
Definition
Trigeminal (5) and Facial (7)
Term
1 Important element of anterior corticospinal tract and end point
Definition

Ventral column

 

End point: Medial intermediate zone and medial motor nuclei

Term
Origin of rubrospinal tract
Definition
Red nucleus
Term
2 important elements and function of vestibulospinal tract
Definition

1. Lateral vestibular nucleus

2. Medial vestibular nucleus

 

Medial: Maintain head stability

Lateral: Keep us upright

Term
Origin and function of tectospinal tract
Definition

Superior colliculus

 

§Mediates turning of head and eyes to relevant stimuli

Term

2 elements and function of

RETICULOSPINAL TRACTS

Definition

1. Pontine reticular formation

2. Medullary reticular formation

 

§Postural adjustments and maintenance of standing posture

Term
Population coding
Definition

Average the activity of a group of cells that each have their own directional preference

Term
6 parts of basal ganglia
Definition

1. PMA/SMA

2. Caudate nucleus

3. Putamen

3. Globus Pallidus

4. Subthalamic nucleus

5. VL of thalamus

6. Substantia nigra

Term
3 layers of cerebellum
Definition

1. Granule cells

2. Purkinje cells

3. Deep cerebellar nuclei

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