Biology 449 - Animal Physiology September 8, 2008

Lecture 5 - Neurophysiology I

General organization of nervous system

Central NS

Peripheral NS

Afferent division

Efferent division

Neural Cells

Types of cells

Neurons

Glia

General structure of neurons

Membrane potentials

Definition

Generation via eletrochemical gradients

Nernst equation

Goldman equation

Graded potentials

 

Terms to Know

Central nervous system

Brain
Brain stem
Spinal cord
Cerebral cortex (Cerebrum)
Hypothalamus
Pituitary
Thalamus
Cerebellum

Medulla
Pons
Midbrain

Peripheral NS

Afferent division
Efferent division
Somatic NS
Autonomic NS
Sympathetic NS
Parasympathetic NS
Enteric NS

Sensory neurons
Motor neurons
Interneurons

Glial cells
Astrocytes
Oligodendrocytes
Schwann cells
Microglia
Ependymal cells

Soma
Dendrite
Axon
Axon hillock
Axon terminal

Membrane potential
Nernst equation
Goldman equation

Leaky channels

Graded potential
Depolarization
Repolarization
Hyperpolarization

 

Readings

Lecture 5: Chapter 3, pages 95-100
Chapter 4, pages 101-114
Lecture 6:   Chapter 4, pages 114-137