Neural plate formation follow the principle of development:  often the signals promoting the specification of one cell type also block the specification of an alternative cell type.

TLS Online TPP Program

#Id: 5651

#Unit 7. System Physiology – Animal

Homonymous (same side of both 

visual fields) Hemianopia (half blindness)

A lesion in one optic tract causes blindness in half of the visual field

TLS Online TPP Program

#Id: 1046

#Unit 5. Developmental Biology

Fgf10 is the major active factor in the PZ.

TLS Online TPP Program

#Id: 10159

#Unit 6. System Physiology – Plant

Direct application of cytokinin to axillary buds stimulates

their growth but strigolactone suppresses axillary bud growth. Besides activating BRC1, strigolactone also inhibits cytokinin biosynthesis by negatively regulating the IPT genes.

TLS Online TPP Program

#Id: 991

#Unit 5. Developmental Biology

An anterior-to-posterior gradient of Bicoid protein.

TLS Online TPP Program

#Id: 9292

#Unit 6. System Physiology – Plant