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Limb Development - Anatomy & Physiology (view source)
Revision as of 07:30, 31 August 2008
, 07:30, 31 August 2008→Limb Bud Formation
*The AER maintains an area of rapidly proliferating cells beneath it, called the '''progress zone (PZ)'''.
*The AER maintains an area of rapidly proliferating cells beneath it, called the '''progress zone (PZ)'''.
*The rapidly increasing number of cells drives the limb bud out distally, elongating the limb.
*The rapidly increasing number of cells drives the limb bud out distally, elongating the limb.
*Cells leave the PZ, and as they do so they differentiate.
*As cells leave the PZ they differentiate.
==Patterning of the Limb==
==Patterning of the Limb==