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What is Which of the following is not a neural crest derivative? and explain in detail?
Sphincter pupillae is derived from neurectoderm not mesenchyme or neural crest cell Neural Crest Derivatives: *Corneal Keratocytes *Ciliary muscles *Corneal stroma and endothelium (endothelial cells and keratocytes) *Pericytes of choroidal membranes *Melanocytes *Ciliary ganglion *Stroma of Iris and choroid Trabecular meshwork extraocular muscles are mesodermal in origin