Thyrotropinreleasing hormone trh is synthesized in. The thyroid gland is composed of 2 lobes connected by an isthmus. The thyroid gland is subdivided by capsular septa into lobules containing follicles. The lower two thirds of the lobes are connected by a thin band of tissue called the thyroid isthmus. Hypothyroidism and hyperthyroidism sharon witemeyer md pediatrician introduction.
Thyroid gland anatomy bilobed gland over second and third tracheal ring piramidal lobe. The thyroids hormones regulate vital body functions, including. The thyroid gland is a butterfly shaped, vascular, redbrown endocrine gland situated in the midline of the anterior neck. Thyroid gland historical aspects, embryology, anatomy. Common problems include overactivity and underactivity of the thyroid gland. These septa also serve as conduits for blood vessels. Anatomy, physiology and pathology of the thyroid gland. The adobe flash plugin is needed to view this content. A butterflyshaped organ, the thyroid gland is located anterior to the trachea, just inferior to the larynx. Instant download attractive subscription prices premium quality presentation templates on affordable price mac and keynote.
Thyroid gland situation coverings parts relations blood supply development applied aspects slide 2. In this article, we will be looking at its anatomy, its cellular structure, its endocrine physiology and its clinical relevance. Apr 20, 2012 thyroid gland, structure, function, effects, disorders, regulation, mode of action slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Describe the regulation of thyroid hormones secretion. Dual ectopic thyroid gland is a rare clinical entity. Be effective with all your powerpoint presentations by simply putting your content in our thyroid gland goiter professional powerpoint templates, which are very economical and available in, red, whit colors. Download thyroid gland powerpoint templates for medical presentations. The gland weighs 1025 g and consists of a right and left lobe connected by the isthmus. The major thyroid hormones thyroidstimulating hormone tsh thyroxine t4 and triiodothyronine t3,free t3 and free t4 a thyroidstimulating hormone tsh blood test is used to check for thyroid gland problems. Each of the thyroid lobes are embedded with parathyroid glands, primarily on their posterior surfaces. It is surrounded by a dense irregular collagenous connective tissue capsule, in which posteriorly the parathyroid glands are embedded. Elucidating how the thyroid gland the only source of thyroid hormones in the bodydevelops is thus key for understanding and treating thyroid dysgenesis, and for generating thyroid cells in vitro. Thyroid gland anatomy, location, function, disorders.
Download s premium and costeffective thyroid gland goiter powerpoint presentation templates now for your upcoming powerpoint presentations. Anatomy of thyroid gland the thyroid gland is situated low down at the front of neck weighing about 25 g. It releases hormones that control metabolismthe way your body uses energy. You might have one or more thyroid nodules for several years before they are determined to be cancerous.
The medial region, called the isthmus, is flanked by wingshaped left and right lobes. The thyroid is located at the front of the neck, below the adams apple. Thyroid gland goiter powerpoint presentation template is one. Thyroid carcinomas may show overlapping immunophenotypes with carcinomas from other sites. Generally, an ebook can be downloaded in five minutes or less. The major thyroid hormones thyroid stimulating hormone tsh thyroxine t4 and triiodothyronine t3,free t3 and free t4 a thyroid stimulating hormone tsh blood test is used to check for thyroid gland problems. A branching morphogenesis program governs embryonic growth of the thyroid gland here, we show that branchinglike morphogenesis is a driving force to attain final size of the embryonic thyroid gland in mice. Download s free thyroid gland goiter medical powerpoint template now for your upcoming medical powerpoint presentations. The goal of this article is to discuss the embryology, anatomy, brief histology, and neurovascular supply of the thyroid gland. Thyroid cancer is the most common endocrine cancer.
The most common thyroid problems involve abnormal production of. Download s free thyroid medical powerpoint template now for your upcoming medical powerpoint presentations. The primary function of the thyroid gland is to secrete two hormones, namely, triiodothyronine t3 hormone and the thyroxine hormone t4. The thyroid gland is a butterflyshaped organ located in the neck anterior to the trachea. Hypothyroidism slideshow causes, symptoms, and treatments. Scintigraphy with technetium99m is the gold standard for ectopic thyroid tissue diagnosis, confirming the location and extension of the ectopic thyroid tissue and the presence or absence of the thyroid gland in its normal anatomic position. Ett is a rare entity, with an estimated prevalence of 1100 000300 000 in the general population, increasing to 140008000 in patients with thyroid dysfunction. Its hormones regulate basal metabolism, oxygen use, nutrient metabolism, the production of atp, and calcium homeostasis. Free thyroid gland goiter medical powerpoint template for. Microscopically, the functional unit of the thyroid gland is the.
Apr 21, 2017 the thyroid gland stretches across the front of the neck, below the voice box. Two hormones of the thyroid gland, t4 thyroxine and t3 triiodothyronine, help the body to produce and regulate the hormones adrenaline. Hypothyroidismwhen your thyroid gland doesnt produce enough thyroid hormoneis extremely common, but its also a very treatable thyroid disorder. Nov 18, 2009 download thyroid gland powerpoint templates for medical presentations. The thyroid gland is a small, butterflyshaped organ in your throat, and it is very important to your health and well. A free powerpoint ppt presentation displayed as a flash slide show on id. Venous plexus lies deep to the true capsule line of cleavage between the true and false capsule. They also contribute to protein synthesis and the normal growth and development of body tissues, including maturation of the nervous. Discussion of disorders of the thyroid gland can be found in a subsequent article. Both t3 and t4 hormones play a very important role and affect almost every tissue in the body. Ectopic thyroid tissue ett occurs due to a disorder in the embryonic development of the thyroid gland with incomplete migration of the thyroid tissue from the median plate of the floor of the pharyngeal gut to its usual site.
The thyroid gland is about 2inches long and lies in front of your throat below the prominence of thyroid cartilage. Thyroid gland goiter ppt template can also be used for topics like muscle,hyoid,trachea,speak,communication,cord,hyoid blamina,corniculate, etc. The thyroid gland secretes hormones to regulate many metabolic processes, including growth and energy expenditure. Thyroid function test ppt authorstream presentation. Scribd is the worlds largest social reading and publishing site. The cellular composition of the thyroid gland is diverse, including the following. This thyroid gland goiter ppt template design is used by many professionals. Use this thyroid gland goiter ppt template in the upcoming thyroid gland goiter professional powerpoint presentation and see the difference graphics make in your presentation.
We use your linkedin profile and activity data to personalize ads and to show you more relevant ads. The thyroid gland is the bodys largest single organ specialized for endocrine hormone production. Graphs and diagrams slides to give professional look to you presentation. Free thyroid medical powerpoint template for medical. The gland has two lobes, each pear shaped hugging anterolateral aspects of cervical trachea from oblique line of thyroid cartilage to 5 th or 6 th tracheal ring. Find powerpoint presentations and slides using the power of, find free presentations research about physiology of thyroid gland ppt. Therefore, it is important to consider metastases to the thyroid gland or secondary involvement by direct extension from a non thyroid malignancy in the neck or airway, when interrogating a carcinoma in the thyroid with immunohistochemistry. Radio active iodine thyroid gland picks up iodine1 this treatment takes advantage of the fact that thyroid cells are the only cells in the body which have the ability to absorb iodine by giving a radioactive form of iodine, the thyroid cells which absorb it will be damaged or killed. Ppt thyroid gland powerpoint presentation free to download id. Microscopically, the functional unit of the thyroid gland is the spherical thyroid follicle, lined with follicular cells. As shown in, low blood levels of t 3 and t 4 stimulate the release of thyrotropinreleasing hormone trh from the hypothalamus, which triggers secretion of tsh from the anterior pituitary.
Discuss the synthesis of triiodothyronine and thyroxine. Thyroid gland goiter powerpoint template thetemplatewizard. View and download powerpoint presentations on physiology of thyroid gland ppt. Thyroid gland goiter powerpoint template comes with different editable charts. This anatomic powerpoint template showing human thyroid gland will be a great choice for presentations on human anatomy, vertebrate anatomy, endocrine glands, endocrine system, etc. The gland consists of two lateral lobes joined by an.
Explain the role of thyroid hormones in the regulation of basal metabolism. Thyroid cancer is a malignant tumor or growth originating within the thyroid gland. The thyroid, or thyroid gland, is an endocrine gland in the neck consisting of two connected lobes. Friedman 593 the thyroid gland secretes thyroxine t 4 and triiodothyronine t 3, both of which modulate energy utilization and heat production and facilitate growth. Features of these thyroid gland goiter powerpoint presentation templates. Editabletemplates download premium powerpoint templates and business design templates. The thyroid gland is a highly vascular, ductless alveolar acinar gland located in the anterior neck in front of the trachea.
Location and structure the largest pure endocrine gland in the body, located in the front of the neck, on the trachea just below to the larynx. The thyroid gland is situated at the front of the throat, below the larynx adams apple, and comprises two lobes that lie on either side of the windpipe. The thyroid gland covers the windpipe from three sides. The thyroid gland regulates many metabolic processes, including growth and energy expenditure. Thyroid gland powerpoint templates for medical presentations. The thyroid gland synthesizes the hormones thyroxine t 4 and triiodothyronine t 3, iodinecontaining amino acids that regulate the bodys metabolic rate.
Thyroid transcription factor1 ttf1 is a lineage restricted nuclear transcription factor that is important in the development of the lung, thyroid, ventral forebrain and pituitary gland. Under normal circumstances, it extends from the level of the 5th cervical vertebra c5 to the first thoracic vertebra t1. This slideshow explains the common causes, symptoms, and treatments of hypothyroidism. Find powerpoint presentations and slides using the power of, find free presentations research about thyroid gland ppt. This free thyroid gland goiter medical ppt is one of the free medical powerpoint templates available for medical and healthcare professionals on. This free thyroid medical ppt is one of the free medical powerpoint templates available for medical and healthcare professionals on. Thyroid gland goiter powerpoint presentation template is one of. The gland consists of two lateral lobes joined by an isthmus. Cancer of the thyroid gland is quite rare and occurs in about 5% of thyroid nodules. The thyroid gland secretes hormones that help regulate the bodys metabolism how. Around one in 20 people will experience some form of thyroid dysfunction in their lifetime.
If you continue browsing the site, you agree to the use of cookies on this website. In turn, tsh stimulates the thyroid gland to secrete t. Thyroid disorders hypofunction andhyperfunction presented by dr. Advantages high cure rate avoid surgical risk less expensive. This free thyroid gland goiter medical ppt is one of the free medical powerpoint templates available for download for medical and healthcare professionals. View and download powerpoint presentations on thyroid gland ppt. What is the main thing the thyroid gland does for us. Thyroid cancer is one of the few cancers that has increased in incidence over recent years.
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