KEY RESOURCES TABLE

REAGENT or RESOURCE	SOURCE	IDENTIFIER
Chemicals, Peptides, and Recombinant Proteins
BactoAgar	BD Bioscience	Cat# 214050
D-glucose	Sigma	Cat# G7021
PD173074	Sigma	Cat# P2499
Blebbistatin	Sigma	Cat# B0560
DiI	Sigma	Cat# 42364
Recombinant Human/Mouse Wnt-5a Protein	R&D systems	Cat# 645-WN-010
Recombinant Human Wnt-10b Protein	R&D systems	Cat# 7196-WN-010
Alginic acid sodium salt	Sigma	Cat# 180947
Experimental Models: Organisms/Strains
Wild Type Chicken Eggs	Charles River	Cat#10100331
Tg(CAG-GFP) Chicken Eggs	Clemson university (originally by University of Edinburgh; McGrew et al., 2008)	n/a
Tg(PGK1:H2 B-chFP) Quail Eggs	Ozark egg company (Huss et al., 2015)	n/a
Recombinant DNA
pBI-EGFP	Clontech	Cat# 6154-1
pBI-FGFRdn	Bénazéraf et al., 2010	n/a
pCIRX-rtTA-Advanced	Bénazéraf et al., 2010; T. Iimura	n/a
pCIG-dnMKK1	Delfini et al., 2005	n/a
Software and Algorithms
Fiji	NIH	https://fiji.sc/
Matlab (R2017a)	Mathworks	https://www.mathworks.com/products/matlab.html
FluoRender	SCI, Univ. of Utah	http://www.sci.utah.edu/software/fluorender.html
Agent-based mutli-tissue elongation model (in Matlab)	this paper	https://scholar.harvard.edu/files/fengzhu_xiong/files/fx_elongation20_modelcode.zip