BIO 240 1st edition Lecture 34 Outline of Last Lecture III Vision C Physiology of sight IV Hearing A Physiology of hearing B Reflexes Outline of Current Lecture I Overview of Endocrine System and Comparison to other systems A A F READING ASSINGMENT ON BLACKBOARD G Hormones and Functions 1 Hypothalamus 2 Pituitary Gland Current Lecture II Overview of Endocrine System and Comparison to other systems A A F READING ASSINGMENT ON BLACKBOARD G Hormones and Functions 1 Hypothalamus Produces 6 hormones that regulate the anterior pituitary and 2 hormones that it stores in the posterior pituitary a Growth Hormone Releasing Hormone GHRH Promotes secretion of Growth Hormone GH from the anterior pituitary gland b Somatostatin Inhibits secretions of GH and Thyroid Stimulating Hormone TSH c Oxytocin OT Causes uterine contractions and lactation in females Pair bonding in both sexes may cause males to be monogamous stored and released by the posterior pituitary gland d Antidiuretic Hormone ADH Vasopressin Acts on nephrons of the kidneys to retain water Helps you not become dehydrated Helps regulate blood pressure stored and released by the posterior pituitary gland 2 Pituitary Gland 2 lobes that act like separate glands anterior and posterior a Anterior lobe Makes 6 different hormones know 4 i Follicle Stimulating Hormone FSH In females stimulates secretions of sex hormones estrogen and progesterone and follicle production in the ovaries In males stimulates sperm production These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute ii Leutenizing Hormone LH In females promotes or causes ovulation In males signals the secretion of testosterone iii Thyroid Stimulating Hormone TSH Stimulates the thyroid gland to release thyroid hormone iv Growth Hormone GH Acts on bones skeletal tissues for growth i Gigantism Hyperproduction of GH before puberty Height and diameter of bones are increased ii Acromegaly Hyperproduction of GH after puberty Typical of a pituitary gland tumor Makes the facial and especially the nose bones grow and flare out iii Pituitary Dwarfism Hypoproduction of GH before puberty Person grows less but organs and everything grows in proportion to the skeletal system so there are less problems iv
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