Bio2 Lecture 6

Bio2 Lecture 6 - Bio2 Lecture 6 2/4/05 Nervous Outer region...

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

View Full Document Right Arrow Icon
Bio2 Lecture 6 2/4/05 Nervous Outer region of any structure is called the cortex , filled with unmylinated Cerebrum is divided into lobes Lobes - occipital lobe – rear of head and on bottom, takes care of vision - parietal lobe – in front of occipital lobe in center, contains primary sensory areas , associated with awareness of body, heat, cold, touch, pressure - Temporal lobe – underneath parietal lobe, responsible for sensory, touch, smell, also responsible for some parts of vision, when you read you use temporal lobe - Frontal lobe – most sophisticated part of cerebrum, processes sensory data, also controls primary motors, like skeletal muscles, moving something with arm or writing. Also have frontal association area where you think the deep thoughts - Peripheral nervous system - 12 pairs of cranial nerves, arise in nervous system but are in peripheral nervous system - Spinal nerves which arise in spinal chord but also part of the peripheral nervous system humans have 31 pairs of these - Nerves have tissue over them to protect them - Cell bodies hang out of a bunch of nerves to form a ganglion which is a collection of cell bodies - Peripheral nervous system consists of 2 great divisions o Somatic nervous system – consists of voluntary muscles Sensory (afferent) nerves – leads to muscles, and effector organ Motor (efferent) nerves – leads to muscles /Does not have to pass through pair. o
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 08/10/2009 for the course BIO 102 taught by Professor Brey during the Spring '08 term at Rutgers.

Page1 / 3

Bio2 Lecture 6 - Bio2 Lecture 6 2/4/05 Nervous Outer region...

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