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Lect 08 Endocrine 1 - intro (KKD)
Lect 08 Endocrine 1 - intro (KKD)

... • steroid receptors bind steroid hormone • hormone-receptor hormone receptor complex becomes a transcription factor (alters gene transcription)) • each steroid receptor binds a unique i DNA sequence (response element within an enhancer region) g ) • this alters the rate of transcription ...
hormonal
hormonal

... • The glands of internal secretion produce hormones and release them into the blood. These hormones have definite influence on the metabolism changing the function of the whole organism or separate organs and systems. Thus, the major object of endocrine system is the functioning coordination of orga ...
Laboratory Exercise 18: Experiments in Hormonal Action
Laboratory Exercise 18: Experiments in Hormonal Action

... c. Given off as body heat to maintain a constant body temperature for metabolic reactions to occur in the cells of the body. The thyroid gland secretes the hormone thyroxine (T3 and T4) to maintain metabolism and body heat. The production of thyroxine is controlled by TSH secretion from the anterior ...
Hormone review
Hormone review

... negative feedback. When the hormone levels are high, they inhibit the hypothalamus and anterior pituitary, resulting in a decline in their levels. ...
Region 7: Oral Cavity and Larynx Oral Cavity -
Region 7: Oral Cavity and Larynx Oral Cavity -

... a. Thyroid cartilage (shield like shape) *composed of right and left laminae *laryngeal prominence (adam’s apple) *superior thyroid notch *superior cornu/horn: attached to greater horn of hyoid bone *inferior cornu/horn: articulates with the cricoid cartilage *oblique line: crosses the lateral surfa ...
3-endocrine
3-endocrine

... • The hypothalamus releases its hormone (TSH-RH) to the pituitary, telling the pituitary to release its hormone (TSH), which tells the thyroid gland to release thyroid hormone (TH). When thyroid hormone is released, some of it will bind to receptors in the hypothalamus, and the hypothalamus will st ...
5-9_HypothalamicHormones_SzentgyorgyiR
5-9_HypothalamicHormones_SzentgyorgyiR

... The function of the hypothalamic hormones The hypothalamus: The hypothalamus is a small but complex region of the brain located below the thalamus and right above the brain stem. It has links with both the nervous system as well as the endocrine system. Its main role is to maintain the internal bala ...
Unit P: Endocrine System
Unit P: Endocrine System

... teacher-review questions. Teacher will ask questions by saying, “I say regulates thyroid.” Student should respond by saying, “I say, TSH.” Sample for teacher: “I say regulates ovary.” “I say regulates bone growth.” “I say secretes insulin.” If the student answers correctly and precedes the answer by ...
chemical coordination and integration
chemical coordination and integration

... of follicles and stromal tissues. Each thyroid follicle is composed of follicular cells, enclosing a cavity. These follicular cells synthesise two hormones, tetraiodothyronine or thyroxine (T 4) and triiodothyronine (T3). Iodine is essential for the normal rate of hormone synthesis in the thyroid. D ...
Hormones - Cengage
Hormones - Cengage

... and Parathyroid Glands Thymus gland hormones aid immunity. Thyroid hormones affect metabolism, growth, and development. ...
Lateral Approach to Attack Superior Thyroid Vascular Pedicle
Lateral Approach to Attack Superior Thyroid Vascular Pedicle

... cartilage became exposed. With gentle inferolateral traction on the superior pole together with opening of the cricothyroid space the superior pole became dislocated, putting the superior thyroid vessels under tension as they descend inferomedially on the inferior pharyngeal constrictor, so that the ...
Endocrine/Hormone - Villanova University
Endocrine/Hormone - Villanova University

... Cause: Pituitary adenoma Symptoms related to: 1. increase in hormone release 2. space occupying lesion Increase in Hormone Release Anterior Pituitary Acromegaly GH (Growth Hormone/Somatotropin) Giantism in children ...
The Endocrine System
The Endocrine System

... 4.04 Understand the functions and disorders of the endocrine system ...
The Endocrine System
The Endocrine System

... 4.04 Understand the functions and disorders of the endocrine system ...
INTEGUMENTARY SYSTEM
INTEGUMENTARY SYSTEM

... glands that secrete hormones into the blood stream Exocrine – ducted glands that secrete their products onto a surface ...
PHARYNX and LARYNX
PHARYNX and LARYNX

... Closed by pharyngobasilar fascia. Traversed by auditory tube. Forms tonsilar bed ...
The Endocrine System
The Endocrine System

...  Composed of two active _____________-containing hormones  ____________________ (T4)—secreted by thyroid follicles  Triiodothyronine (_____)—conversion of T4 at target tissues  Thyroid hormone disorders  ___________________  Thyroid gland _______________ due to lack of __________________  Sal ...
aortic arches
aortic arches

... PHARYNGEAL ARCHES FORM DURING 4TH WEEK. ...
Endocrine System
Endocrine System

... • Also contracts cells associated with producing and ejecting milk ...
The Hypothalamo-Pituitary- Adrenal Axis
The Hypothalamo-Pituitary- Adrenal Axis

... •Dynamic modifications of long term cell programs ...
The Endocrine System
The Endocrine System

... HORMONES ARE MADE IN CERTAIN ORGANS AND TISSUES ...
Target cells
Target cells

... • The endocrine system consists of cells, tissues, & organs that secrete hormones into the blood • Hormone – an organic substance secreted by a cell that has an effect on the metabolic activity of another cell or tissue • Target cells – cells that are affected by the hormone – Have specific receptor ...
Endocrine, powerpoint notes
Endocrine, powerpoint notes

... cases.[2] With achondroplasia, one's limbs are proportionately shorter than one's trunk (abdominal area), with a larger head than average and characteristic facial features. Conditions in humans characterized by disproportional body parts are typically caused by one or more genetic disorders in bone ...
Endocrine and Special Senses practice Questions Scioly 2016
Endocrine and Special Senses practice Questions Scioly 2016

... 112) The exhaustion phase of the general adaptation syndrome (GAS) is characterized by A) decreased resistance to disease and infection. B) increased ability to produce glucose from glycogen. C) increased pumping effectiveness of the heart. D) increased protein synthesis. E) both A and C ...
عرض تقديمي من PowerPoint
عرض تقديمي من PowerPoint

... children, glands decreases in the posterior with age aspect signal into an intracellular change increased circulating glucose contraction, b. Muscle response depends on f. ...
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Thyroid



The thyroid gland, or simply the thyroid /ˈθaɪrɔɪd/, is one of the largest endocrine glands in the body, and consists of two connected lobes. It is found in the neck, below the laryngeal prominence (Adam's apple). The thyroid gland controls how quickly the body uses energy, makes proteins, and controls the body's sensitivity to other hormones. It participates in these processes by producing thyroid hormones, the principal ones being thyroxine (T4) and triiodothyronine (T3), which is more active. These hormones regulate the growth and rate of function of many other systems in the body. T3 and T4 are synthesized from iodine and tyrosine. The thyroid also produces calcitonin, which plays a role in calcium homeostasis.Hormonal output from the thyroid is regulated by thyroid-stimulating hormone (TSH) produced by the anterior pituitary, which itself is regulated by thyrotropin-releasing hormone (TRH) produced by the hypothalamus.The thyroid may be affected by some frequent thyroid diseases. Hyperthyroidism occurs when the gland produces excessive amounts of thyroid hormones, the most common cause being Graves' disease—an autoimmune disorder. In contrast, hypothyroidism is a state of insufficient thyroid hormone production. Worldwide, the most common cause is iodine deficiency. Thyroid hormones are important for development, and hypothyroidism secondary to iodine deficiency remains the leading cause of preventable intellectual disability. In iodine-sufficient regions, the most common cause of hypothyroidism is Hashimoto's thyroiditis—also an autoimmune disease. In addition, the thyroid gland may also develop several types of nodules and cancer.
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