proximodistal axis transverse representations ca1 ca3
ca1 proximodistal proximal ca3 distal recruitment recognition preferential segregation
limb vertebrate axis figure molecular rethinking era mesenchyme
development proximodistal principles cephalocaudal
principle definition cephalocaudal development growth difference between mean does
axes anatomical limb axis plane perpendicular motion inferior runs unizin wisc
body direction lateral ventral dorsal medial caudal distal proximal cranial transverse