I think a key might be to get this going again.
If there were a chance for this, you see how serious this could be.
This could also equal maintenance, repair and regeneration.
Just to pull one from the list, what makes a person attractive, symmetry.
determination of bilateral symmetry
Pulling this from wiki,
Biological process •
cellular response to retinoic acid
• proximal/distal pattern formation
• response to cytokine
• pituitary gland development
• response to estradiol
• 9-cis-retinoic acid biosynthetic process
• neural crest cell development
• cardiac muscle tissue development
• lung development
• kidney development
• retinol metabolic process
• heart morphogenesis
• hindbrain development
• retinoic acid metabolic process
• retinal metabolic process
• embryonic camera-type eye development
• retinoic acid biosynthetic process
• response to vitamin A
• face development
• positive regulation of gene expression
• retinoic acid receptor signaling pathway
• blood vessel development
• embryonic limb morphogenesis
• ureter maturation
• neural tube development
• neuron differentiation
• positive regulation of cell proliferation
• regulation of endothelial cell proliferation
• positive regulation of apoptotic process
• pancreas development
• determination of bilateral symmetry
• vitamin A metabolic process
• liver development
• forebrain development
• camera-type eye development
• metabolism
• morphogenesis of embryonic epithelium
• oxidation-reduction process
• embryonic digestive tract development
• embryonic forelimb morphogenesis
• anterior/posterior pattern specification
• negative regulation of cell proliferation
• midgut development
• retinoic acid receptor signaling pathway involved in somitogenesis
• protein homotetramerization