Which of the following is the embryological origin of ciliary muscle?
The ciliary muscle and blood vessels are derived from neural crest mesenchyme. Derivatives of neural crest:Corneal keratocytesEndothelium of the cornea and the trabecular meshworkStroma of the iris and choroidCiliary muscleFibroblasts of the scleraVitreousOptic nerve meningesOrbital cailage and boneOrbital connective tissues and nervesExtraocular musclesSubepidermal layers of the eyelidsRef: Riordan-Eva P. (2011). Chapter 1. Anatomy & Embryology of the Eye. In P. Riordan-Eva, E.T. Cunningham, Jr. (Eds), Vaughan & Asbury's General Ophthalmology, 18e.
Surface ectoderm
Neural crest mesenchyme
Endoderm
Neuroectoderm