All are derivatives of ectoderm except-
Surface ectoderm derivatives:- Epithelium and glands skin epithelium sweat glands, sebaceous glands Myoepitheliocytes of skin glands Any external opening oral opening Rathke's pouch (Most of the Pituitary gland) salivary glands parotid, submandibular, sublingual glands Neural plate ectoderm derivatives Iris muscles- sphincter and dilator pupillae CNS neurohypophysis Neurohypophysis(Posterior pituitary gland)
epidermis
parotid gland
neuro hypophysis
arrector pilorum
General Embryology 2