Chapter 7 Control of Hormone Release notes

Chapter 7 Control of Hormone Release notes - Chapter 7...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 7 Control of Hormone Release Two endocrine structures are involved in the nervous system: spineal gland and pituitary gland. Neurohormones are chemical signals released into the blood by a neuron. There are 3 major groups of neurohormones: 1. Catecholamines (made by modified neurons in the adrenal medulla. 2. Hypothalamic neurohormones (secreted from the posterior pituitary, and 3. Hypothalamic neurohormones (that control hormone release from the anterior pituitary gland). Pituitary gland is a lima-bean-sized structure that extends downward from the brain, connecte to it by a thin stalk and cradled in a protective pocket of bone. Anterior pituitary is true endocrine gland of epithelial origin Hormone: adenohypophyseal secretions Posterior pituitary is an extension of the neural tissue of the brain Posterior pituitary stores and releases two neurohormones that are compoesed of 9 amino acids each o Oxytocin - In women, xoytocin released from the posterior pituitary controls the ejection of milk during breast-feeding and contractions of the uterus during labor and
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 3

Chapter 7 Control of Hormone Release notes - Chapter 7...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online