anatomy 8 - 10/20/08 Gray matter around perimeter of brain...

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

View Full Document Right Arrow Icon
10/20/08 - Gray matter around perimeter of brain - Cerebral nuclei o Refers to a collection or a group of grey matter areas within the white matter part of the brain (internal, they’re not around perimeter of brain) o Thalamus are not part of cerebral nuclei o A nucleus is a collection of nerve cell bodies inside the central nervous system A ganglion is the same except OUTSIDE the CNS o Know what they’re collective functions are: Responsible for things like unconscious control of skeletal muscles Voluntary in the sense that you can put one leg in front of the other, but you don’t chose exactly what muscles you are contracting to do so. Another example is blinking. Another is muscle tone – muscle tone is the amount of nerve stimulation necessary to keep a relaxed muscle functional. Sarcoemere would just get longer and longer until there was no overlap. If there was no overlap between thick and thin filaments there would be nothing for the mysein heads to attach to to contract the muscle – the muscle would be functionless for the rest of your life. To
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 03/18/2009 for the course BS 240 taught by Professor Zink during the Spring '09 term at University of the Sciences in Philadelphia.

Page1 / 3

anatomy 8 - 10/20/08 Gray matter around perimeter of brain...

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