Facts about optic neuritis. Optic neuritis can affect your vision and even cause pain. When the nerve fibers become inflamed, the optic nerve can also start to swell. This swelling typically affects one eye, but can affect both at the same time. Optic neuritis can strike both adults and children.
The most important controller of TSH secretion is thyroid-releasing hormone. Thyroid-releasing hormone is secreted by hypothalamic neurons into hypothalamic-hypophyseal portal blood, finds its receptors on thyrotrophs in the anterior pituitary and stimulates secretion of TSH.
4) Axons of some neurons of. hypothalamus end in posterior pituitary lobe and release their hormones in it. â¢ Control by Other Hormones â when the secretion of a hormone (thyroid stimulating hormone) causes the. secretion of another hormone (triodothyronine), the 1. st. hormone is called a tropic hormone (thyrotropin). Most of these hormones also cause growth of gland (thyroid) secreting the hormone. For this action a. tropic hormone is called a trophic hormone. I gave examples in parentheses.