The equine endocrine system is a group of organs that release hormones in the horses body to regulate things like growth‚ metabolism‚ and reproduction. Hormones production is directed by brain signals caused by outside stimuli and it maintained through negative and positive feedback loops. One of the main organs in the endocrine system is the pituitary gland located on the floor of the skull. The hormones produced by the pituitary have a variety of functions from metabolism to reproduction. The most
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The endocrine glands secrete . (Outcome 13.1‚ 13.2‚ 13.3) B. Hormones diffuse from ________________________ into ___________________ and eventually act on . (Outcome 13.2‚ 13.4) C. Paracrine secretions are . (Outcome 13.2‚ 13.4) D. Autocrine secretions are . (Outcome 13.2‚ 13.4) E. Exocrine glands secrete substances into . (Outcome 13.2‚ 13.4) F. Endocrine glands and their hormones control . (Outcome 13.1‚ 13.2‚ 13.3‚ 13.4) G.
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The thyroid and thyrotropes form a negative feedback loop: TSH production is suppressed when the T4 levels are high‚ and vice versa. The TSH production itself is modulated by thyrotropin-releasing hormone (TRH)‚ which is produced by the hypothalamus and secreted at an increased rate in situations such as cold (in which an accelerated metabolism would generate more heat). TSH production is blunted by somatostatin (SRIH)‚ rising levels of glucocorticoids and sex hormones (estrogen and testosterone)
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contractions). In contrast‚ the endocrine system is a slow but long-lasting response that uses glands which release hormones (chemicals) into the bloodstream. Endocrine System: The endocrine system is made up of the cells‚ tissues‚ and organs that secrete hormones into body fluids such as the blood stream. What is its function? -It influences metabolic activity by means of hormones and along with the nervous system‚ it coordinates and integrates activity of body cells. ENDOCRINE GLANDS:
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Human Endocrine System A system of glands and cells that make hormones that are released directly into the blood and travel to tissues and organs all over the body. The endocrine system controls growth‚ sexual development‚ sleep‚ hunger‚ and the way the body uses food. [pic] The human endocrine system modulates several processes of the body by the function of hormones. The endocrine system secretes hormones that control how bodily functions work. Thus‚ the human endocrine system watches
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Endocrine System Is a group of specialized organs and body tissues that produce‚ store‚ and secrete chemical substances known as hormones. As the body’s chemical messengers‚ hormones transfer information and instructions from one set of cells to another. Because of the hormones they produce‚ endocrine organs have a great deal of influence over the body. Among their many jobs are regulating the body’s growth and development‚ controlling the function of various tissues‚ supporting pregnancy
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2. Define hormone. it is a chemical put off by the body that serves as a message to make a compensation of certain chemicals levels. 3. Chemically‚ hormones belong chiefly to two molecular groups‚ the steroids and the amino acid-based. 4. What do all hormones have in common? it is bloodborne 5. Define target organ. the organ only respond to one particular hormone 6. If hormones travel in the bloodstream‚ why don’t all tissues respond to all hormones? The hormone only bonds with
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to the answer sheets for quicker grading. A&P II Chapter 18- The Endocrine System Exam 1 Name:_______________________ Match the hormone to the Gland that Secretes it and the Target organ it effects Hormone ACTH ADH CRH FSH GHRH GnRH hGH (Somatotropin) LH MSH Oxytocin PIH (Dopamine) PRL (Prolactin) Somatostatin (GHIH) TRH TSH A. Liver B. Thyroid C. Gonads – Sperm or Ova D. Gonads - Testosterone E. Mammary Glands - Milk Secreted by 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Target organ
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AP-2 Lab 01 – Lab Report Name: Shamika C. Dent Section: AP 2 – 131 – Fall 2010 Laboratory Report: Exercise 1: The Endocrine System Purpose: What is the purpose of this exercise? Is there any safety concerns associated with this exercise? If so‚ list what they are and what precautions should be taken. 1. Identify the major endocrine glands and other organs containing endocrine cells on models and diagrams (glands listed below). 2. Identify the major endocrine glands in the cat (glands
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What are hormones? 3. What do hormones influence? 4. How are hormones delivered from endocrine glands to their target organs? 5. Two categories of hormones are ________________ and __________________. 6. Why must insulin be injected‚ yet birth control hormones can be taken orally? 7. How does the control of hormone levels work by negative feedback? Give an example. 8. How are the actions of a hormone controlled by the presence of an antagonistic hormone? Give an
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