NPB128 Midterm I Study

NPB128 Midterm I Study - Endocrinology 128 I. Lecture 1 1....

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Endocrinology 128 I. Lecture 1 1. Why do we study comparative endocrinology? 1. So we can understand how the endocrine systems of extant species originated and came to be. 2. So we can understand how animals adapt to diverse environmental challenges 3. So we can understand how animals maintain biological control. 4. So we can use it to help our biomedical research 5. So we can study the structural and functional relationships of hormones and their receptors 2. 2 major animal control systems 1. Nervous system 2. endocrine system 1. slower but longer lasting 2. endocrine: long distance 3. paracrine: near 4. autocrine: self 5. intracrine: receptor inside cell: steroids 3. diverse but similar morphology due to embryonic originated 4. vertebrate glands: pituitary, pineal, thyroid, adrenal, ovaries/testes 5. unique glands: parathyroid (tetrapods), urophysis (bony fish), corpuscles of stannius (boy fish) 1. Urophysis secretes urotensins I and II 1. maintain blood pressure 2. similar to posterior pituitary
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NPB128 Midterm I Study - Endocrinology 128 I. Lecture 1 1....

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