Changes

Jump to navigation Jump to search
Line 97: Line 97:  
*They differentiate once they reach their destination.
 
*They differentiate once they reach their destination.
 
*Other non - neural tissues also develop from the neural crest. The type of tissue that neural crest forms is dependant on the origination of the cell along the anterior - posterior axis:
 
*Other non - neural tissues also develop from the neural crest. The type of tissue that neural crest forms is dependant on the origination of the cell along the anterior - posterior axis:
::'''Anterior Neural Crest''' forms; sensory neurones and schwann cells; bones of the head; dermis of the face; and cartilage.
+
::'''Anterior Neural Crest''' forms; sensory neurones and [[Nervous System - PNS - Anatomy & Physiology#Schwann Cells|schwann cells]]; [[Bones and Cartilage - Anatomy & Physiology|bones]] of the head; dermis of the face; and [[Bones and Cartilage - Anatomy & Physiology|cartilage]].
 
::'''Trunk Neural Crest''' forms; sensory neurones of the somatic and autonomic nervous systems (ANS); sympathetic motor neurones of the ANS; melanocytes.
 
::'''Trunk Neural Crest''' forms; sensory neurones of the somatic and autonomic nervous systems (ANS); sympathetic motor neurones of the ANS; melanocytes.
::'''Posterior Neural Crest''' forms parasympathetic motor neurones of the gut, which control peristalsis.
+
::'''Posterior Neural Crest''' forms parasympathetic motor neurones of the [[Alimentary - Anatomy & Physiology#Small Intestine|gut]], which control peristalsis.
 
      
==Ectodermal Placodes==
 
==Ectodermal Placodes==
1,362

edits

Navigation menu