Which of the following is not a derivative of neural ectoderm?
Correct Answer: Ciliary muscles
Description: Ans. d. Ciliary muscles (Ref: Parson 20/e p5; Grays Anatomy 40/ep702) Ciliary muscles develop from Neural crest, not from neural crestDerivative of neural ectoderm:Ciliary- body epitheliumQIris epitheliumQSmooth muscles of iris (constrictorQ and dilator pupillaeQ)Part of vitreousRetinal pigment epitheliumQRetinaQ (its 9 sensory- layers)Optic vesicle and cupOptic nerveQ (fibers)Primordial Tissues and Ocular DerivativesNeural-EctodermSurface-EctodermMesodermNeural crest* Ciliary body epitheliumQ* Iris epitheliumQ* Smooth muscles of iris (constrictorQ and dilator pupil laeQ)* Part of vitreous Retinal pigment epitheliumQ* Retina (its 9 sensory layers) Optic vesicle and cup * Optic nerveQ (fibers)* Conjunctival epithelium* Corneal epithelium* Lacrimal glands * Tarsal glands * Lens* Extra-ocular musclesQ* Vascular endothelium of eye and orbit * Corneal stroma* Sclera* Iris* Choroid* Part of vitreous* Orbital bones* Orbital connective tissue* Ciliary musclesQ * Ciliary ganglionQ* Schwann cells of ciliary nerves* Meningeal sheath of optic nerve* Conjunctival and uveal melanocytes* ScleraQ* Trabecular meshwork of endothelium * Corneal stroma, keratocytes and endotheliumQ* Iris stroma * Choroidal stroma Part of vitreous
Category:
Anatomy
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now