The endocrine system an overview susanne hillersturmhofel, ph. Hormones of the endocrine system coordinate and control growth, metabolism, temperature regulation, the stress response, reproduction, and many other functions. Feedback loops, basically hormones control if there is too much or too little of themselves. Some empirical notes on the epo epidemic in professional cycling. Theyre responsible for almost every cell, organ, and function in your body. Some of these glands have both endocrine and nonendocrine functions. The endocrine system includes the pituitary, thyroid, parathyroid, adrenal, and pineal glands. The endocrine system is a collection of glands that secrete hormones.
The release of hormones is regulated by other hormones, proteins or neuronal signals. Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs and distant tissues. Your horses endocrine system equimed horse health matters. Anatomy 1 where are the different hormone producing cells located. There is a system of control that uses chemicals in its mechanism. The endocrine system, in contrast, conducts signals throughout the body via glands. The endocrine system provides an electrochemical connection from the hypothalamus of the brain to all the organs that control the body metabolism, growth and development, and reproduction. I am very pleased to present the 2009 endocrine notes. Endocrine glands secrete hormones straight into the bloodstream. Learn about the organs that make up the endocrine system, how they function, and the.
Endocrine system diagram endocrine system anatomy and physiology nurseslabs. Choose from 500 different sets of chapter 11 notes endocrine system flashcards on quizlet. Notes over the endocrine system includes a powerpoint presentation, key ideas, and images of endocrine glands. It serves as a useful and comprehensive source of information spanning the many and varied aspects of the endocrine end metabolic system.
Label the endocrine glands in the figure by placing the number of the gland in the space beside the correct label. Pdf the endocrine system in sports and exercise researchgate. Learn chapter 11 notes endocrine system with free interactive flashcards. There are two types of hormones secreted in the endocrine system. Study guide state college of florida, manateesarasota. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Receptors on the cell surface bind with hormones that regulate enzyme activity or affect ion channels eg, growth hormone, thyrotropinreleasing hormone. The endocrine system helps to regulate a variety of bodily functions through the secretion of hormones. A thorough understanding of the endocrine system and how it functions is necessary in accurately assessing and treating endocrine disorders. The endocrine system national institutes of health.
Overview of the endocrine system boundless anatomy and. Pdf introductionmetabolism and action of testosterone and related androgenic steroidsis there a male. Appropriate target cells pull out of the bloodstream the appropriate signaling molecule. Endocrine system nervous system release of chemical hormone into bloodstream release of chemical neurostransmitter across synapse effect can be on many target cells spread throughout the body effect will be restricted to those target cells actually innervated effect will take place over a relatively long time. Exocrine tissues, such as salivary glands, and sebaceous glands, secrete chemical substances. The released hormone then has its effect on other organs. The endocrine system is made up of a series of hormone glands that produce hormones. Cendocrine disorders are manifest by derangement of functions in target organs eg alopecia with cushings or hypothyroidism, seizurescoma caused by hyperinsulinism, bone fracture with hyperparathyroidism, etc.
Diseases of the endocrine system can result from the oversecretion or undersecretion of hormones or. Endocrine glands secrete hormones directly into bloodstream ductless exocrine glands secrete substances through a duct sweat, salivary, lacrimal and. How do endocrine glands differ from exocrine glands. The endocrine system austin community college district. Communication can happen within seconds but is considered slow compared to the nervous system. Distinguish the types of intercellular communication, their importance, mechanisms, and effects.
Introduction to the endocrine system anatomy and physiology ii. Pharmacology of the endocrine system 2 in clinical practice, hormones and hormonelike drugs, are mainly used for. Examples of hormones and the location of production endocrine anatomy phys the endocrine system consists of glands that are found all over the body, which help you to produce hormones. Endocrine tissues and organs secrete hormone into body fluids mainly blood and lymph directly using diffusion. Endocrine system overview endocrine system nervous system similarities chemical messenger is hormone chemical messenger is neurotransmitter both control organssystems to maintain homeostasis messenger travels long distances intercellular communication messengers travel a very short distance. Hapendocrine lecture endocrine system lecture notes a. Examination sequence endocrine disease take time at the outset to make some general observations. About the endocrine system endocrine glands and hormones. Steroidal and nonsteroidal, or protein based hormones. The interstitial fluid and the blood vessels then transport the hormones throughout the body. One way this is achieved is through feedback loops. A gland is an organ that makes and puts out hormones that do a specific job in your body. The endocrine system is a tightly regulated system that keeps the hormones and their effects at just the right level.
General overview of the endocrine system questions to be thinking about to help organize your learning of the components of the endocrine system. Apr 17, 2012 the endocrine system is a chemical messenger system which alerts cells all around the body to do something or not. Endocrinesecreted directly from the gland into blood or gland exocrinesecreted into tubes leading from gland c. Identify the major organs and tissues of the endocrine system and their location in the body. In humans, it is located in the abdominal cavity behind the stomach.
Hormones help to control many body functions, such as growth, repair and. Specificity arises from the receptors on the target cells. Major endocrine organs there are five major endocrine organs in the body. Exocrine glands, such as sweat and salivary glands, secrete externally and internally via. This longdistance intercellular communication, coordination, and control is critical for homeostasis, and it is the fundamental function of the endocrine system. Communication is a process in which a sender transmits signals to one or more. Comparison of advantages and disadvantages of endocrine.
Human endocrine system, group of ductless glands that regulate body processes by secreting chemical substances called hormones. Numerous glands throughout the body produce hormones. Various endocrine cells release various hormones to act on various target cells. Learn endocrine system with free interactive flashcards. Comparison of advantages and disadvantages of endocrine and. Endocrine system, any of the systems found in animals for the production of hormones, substances that regulate the functioning of the organism.
Peripheral nervous system, part of the nervous system containing associated nerves that are not part of the brain or spinal cord. Overview of the endocrine system endocrine and metabolic. Endocrine study guide chart 2016 tazkai llc hormone gland under production syndrome over production syndrome gh adh t3,t4 pth cortisol insulin anterior pituitary posterior pituitary thyroid parathyroid adrenal pancreas diabetes insipidus myxedema coma hyperparathyroid addisons diabetes mellitus acromegaly siadh graves. Second messenger system of the body uses chemical messages hormones that are released into the blood hormones control several major processes reproduction growth and development mobilization of body defenses maintenance of much of homeostasis regulation of metabolism slide 9.
The primary function of these ductless glands is to secrete their hormones directly into the surrounding fluid. In contrast, the endocrine system uses just one method of communication. Endocrine glands, endocrine cells and some neurons secrete hormones into tissue fluid from which they diffuse into capillaries. The endocrine gland is the major player in this system.
Can spread to whole body via blood or just to specific cells. Biology endocrine system compiled by srikrshna p you may print these notes through the pdf file and refer to them for your personal use as required. These give the system a key role in both regulating development and in the subsequent unfolding of an organisms life. Endocrine system function of the endocrine system to secrete hormones chemical messengers that coordinate and direct target cells and organs. Cdiseases of the endocrine system are common, particularly in small animal practice. Not all coordination and control of the body is carried out by the nervous system. Heres a link to download the pdf file for the abovementioned notes. Sources of hormones in humans the endocrine system fig. Hormones travel through the blood to target cell 3. The endocrine system is a system of ductless glands that secrete hormones directly into the circulatory system to be carried long distances to other target organs that regulate key body and organ functions. It functions in conjunction with the nervous system to control the internal environment homeostasis. The endocrine system is a network of glands in your body that make the hormones that help cells talk to each other. The endocrine system may be distinguished by the diffuse nature of its signals, which spread throughout the body rather than going point to point, and by its capacity to regulate both gene expression and cellular metabolism. Endocrine system diagram human body endocrine system the endocrine system.
The major endocrine glands include the pituitary, pineal, ovaries, testes, thyroid, hypothalamus, and adrenal glands. Endocrine system notes coral springs charter school. Target cells cells with receptors for a given chemical messenger that can alter their activities in response to messenger. Comparison of advantages and disadvantages of endocrine and synaptic signaling both can be long distance. Choose from 500 different sets of endocrine system flashcards on quizlet. Encyclopedia of endocrine diseases 2nd edition pdf free pdf. Endocrine system the endocrine system interacts with the nervous system to coordinate and integrate body activities by means of hormones. The pancreas is a glandular organ in the digestive system and endocrine system of vertebrates. A plethora of hormones regulate many of the bodys functions, including growth and development, metabolism, electrolyte balances, and reproduction. If one reads these notes thoroughly then i would say one could get complete marks in endocrine system. Testing the functional integration of an endocrine system diagnostic.
1173 243 458 1109 1561 1118 597 1150 1014 1356 889 1473 1028 51 156 1524 686 1060 647 1185 505 468 1474 935 238 1235 465 1064 1636 1411 598 489 1294 1448 806 1379 1049 730