lecture 36 lecture - Lecture 36: The Vertebrate Brain (look...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Lecture 36: The Vertebrate Brain (look at lecture…lots of pics) 1- Divisions of the Nervous System 2- Evolution of Brain Structures and Size 3- Functional Division of Cerebral Cortex, Somatosensory Cortex, Motor Cortex, Language -Nervous Systems show a variety of complexity with increasing cephalization -Vertebrate Nervous System has two divisions 1) CNS (Central Nervous System): Brain, Spinal Cord 2) PNS (peripheral Nervous System): Cranial and Spinal Nerves -Autonomic (Involuntary) nervous system: controls visceral functions *Sympathetic (Fight or Flight) most ganglionic neurons = NE -constrict blood vessels, increase blood pressure, relax air passages in bronchi, accelerates <3 rate, dilates pupil, inhibits salivation, stimulates sweating, inhibit digestion, stimulate glycogen breakdown, stimulates secretion of adrenaline, relax bladder, stimulates penile ejaculation post ganglionic neurons = Ach -vasodilation, decrease blood pressure, constricts air passages in cbronchi,
Background image of page 1

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

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/03/2010 for the course BIOG 1101 taught by Professor N/a during the Fall '10 term at Cornell University (Engineering School).

Page1 / 3

lecture 36 lecture - Lecture 36: The Vertebrate Brain (look...

This preview shows document pages 1 - 2. Sign up to view the full document.

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