<prompt> All of the following are Ectodermal derivatives EXCEPTNeuronMicrogliaLens of eyeAdrenal medulla  <response>: B Microglia Ectoderm Derivatives: Somatic ectoderm: Epidermis Feathers, hair, skin glands, scales Lens of eye Teeth enamel Mouth lining Anterior pituitary adenohypophysis Anal canal ADRENAL MEDULLA Neurogenic placodes: Olfactory organ Lateral line receptors and nerves Inner ear and cranial nerve VIII Ampullary electroreceptors and nerves Taste-buds Microglia type of glial cells originated from yolk sac derived erythromyeloid progenitors. 