Shared Flashcard Set

Details

Nervous Systems III
TORTORA
10
Biology
Undergraduate 2
04/29/2010

Additional Biology Flashcards

 


 

Cards

Term
White Matter
Definition
  • consist  mostly of myelinated axons
  • surround gray matter in spinal cord

 

Term
Nodes of Ranvier
Definition
gaps in myelin sheath
Term
Neurolemma
Definition

"sheath of Schwann"

outer nucleated cytoplasmic layer

Term
Contents of Gray matter
Definition
  • dendrites
  • cell bodies
  • axon terminals
  • unmyelinated axon
  • neuronglia
Term
Gray matter
Definition
superfacial shell of mateer covering the cerebral aerebellar hemispheres
Term
Component of PNS
Definition
  1. somatic nervous system (SNS)
  2. autonomic nervous system (ANS)
  3. enteric nervous system (ENS)
Term
Somatic Nervous System
Definition
  •  conduct sensory impulses from somatic and special sense receptors to CNS
  • effects skeletal muscles

 

Term
Enteric Nervous System
Definition
  • Consist of neurons from enteric plexus of the GI tract
  • Fx independently of ANS and CNS
  • monitor sensory changes in
  • controls operation of GI tract
Term
Autonomic Nervous System
Definition
  • conduct sensory impulse from visceral organs and motoro neurons to CNS
  • Effects smooth muscle, Cardiac muscle tissue, and glands
Term
enteric plexus
Definition
extensive network of neurons in the wall of the organs of the GI tract
Supporting users have an ad free experience!