Lec11 - Neurobiology I - Lecture 11 Nervous System I...

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon
Lecture 11 Nervous System I Reading: Chapter 4, pp. 142 - 146 Lecture Outline: The Neurons The Supporting Cells
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
“Tell me where is fancy bred, Or in the heart, or in the head?” Shakespeare Levitan and Kaczmarek, 2002
Background image of page 2
Ramon y Cajal used: Golgi’s technique of silver impregnation and demonstrated individual neural cells within neural network. Both shared Nobel Prize in 1906. Is the brain made up of a continuous syncytium or discrete cells? Santiago Ramon y Cajal Vs Camillo Golgi Descreet cells Vs continuous syncytium Cellular Hypothesis Vs Reticular theory
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Nervous system performs three overlapping functions: Sensory Input Integration Motor Output (effectors)
Background image of page 4
Nerve tissue is composed of: Neurons and Glial cells (Supporting cells)
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Neuron: Structural and functional unit responsible for transfer of information via electrical and chemical communication. Specialized to conduct electrochemical impulses called nerve impulses or action potentials.
Background image of page 6
Signal reception Signal integration Signal conduction Signal transmission Dendrite Axon hillock Axon Axon terminal
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Cell Body Contains the nucleus and other cellular organelles, such as mitochondria, Nissl bodies, microtubules.
Background image of page 8
Nucleus Usually large with single nucleolus, looks like "owl-eye" or "fried-egg".
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 10
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/12/2010 for the course BIOLOGY 225 taught by Professor Pavgi during the Winter '10 term at University of Michigan.

Page1 / 27

Lec11 - Neurobiology I - Lecture 11 Nervous System I...

This preview shows document pages 1 - 10. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online