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ENDOCRINE - Wikispaces
ENDOCRINE - Wikispaces

... • 1)Steroid hormone: neutral lipids derived from cholesterol, produced by adrenal cortex testis and ovaries 2) Thyroid hormone: is an iodinated tyrosine derivative, secreted by thyroid gland ...
hormones
hormones

... – Hypothalamus secretes thyrotropin releasing hormone (TRH) which stimulates your pituitary to release TSH. – TSH stimulates the thyroid to make thyroid hormones. – TSH causes increase in size of thyroid gland as a result of the gland trying to produce more hormones which it can’t do because of lack ...
Key Terms PDF - QuizOver.com
Key Terms PDF - QuizOver.com

... building and influences nutrient metabolism (also called somatotropin) ...
Lect E1 - Endocrine intro 1
Lect E1 - Endocrine intro 1

... testes controlled by anterior pituitary hormones • oxytocin secretion from posterior pituitary regulated by neurotransmitter release ...
Chapter 9
Chapter 9

... Releasing hormones:  GHRH. Growth hormone-releasing hormone. Causes the anterior pituitary to release growth hormone.  TRH. Thyroid-releasing hormone. Causes the anterior pituitary to release thyroid-stimulating hormone (TSH).  CRH. Corticotropin-releasing hormone. Causes anterior pituitary to pr ...
Introduction to the endocrine system and the hypothalamic
Introduction to the endocrine system and the hypothalamic

... extraction and two 24 hour incubation stages. Test ...
BIOL242Ch16EndocrineSEP2012
BIOL242Ch16EndocrineSEP2012

... Lies anterior to thyroid cartilage of larynx Consists of 2 lobes connected by narrow isthmus Composed of thyroid Follicles: hollow spheres lined by cuboidal epithelium, follicle cavity contains viscous colloid containing the protein thyroglobulin • Other endocrine cells, the parafollicular cells, pr ...
BIOL242Ch16EndocrineSEP2012
BIOL242Ch16EndocrineSEP2012

... Lies anterior to thyroid cartilage of larynx Consists of 2 lobes connected by narrow isthmus Composed of thyroid Follicles: hollow spheres lined by cuboidal epithelium, follicle cavity contains viscous colloid containing the protein thyroglobulin •  Other endocrine cells, the parafollicular cells, p ...
Hormones and the Endocrine System
Hormones and the Endocrine System

... hormonal activity/control is much slower than neural activity/control transported in circulatory or lymphatic system chemical nature of hormones 1. proteins ...
Chapter16 Endocrine
Chapter16 Endocrine

... • Largest endocrine gland • Lies anterior to thyroid cartilage of larynx • Consists of 2 lobes connected by narrow isthmus • Composed of thyroid Follicles: hollow spheres lined by cuboidal epithelium, follicle cavity contains viscous colloid containing the protein thyroglobulin • Other endocrine cel ...
BIO171_04_Larynx [screen displays model of larynx] [Barbara
BIO171_04_Larynx [screen displays model of larynx] [Barbara

... [Barbara Davis speaking] Welcome to the respiratory system. In this video we’re going to cover the larynx in more detail, so let’s get oriented. Here is the hyoid bone. Remember the hyoid bones claim to fame is that it’s the only bone in the body not connected to another bone. There’s a membrane tha ...
Endocrine Disease in the White House
Endocrine Disease in the White House

... • Lies anterior to thyroid cartilage of larynx • Consists of 2 lobes connected by narrow isthmus • Composed of thyroid Follicles: hollow spheres lined by cuboidal epithelium, follicle cavity contains viscous colloid containing the protein thyroglobulin • Other endocrine cells, the parafollicular cel ...
INTRODUCTION TO ENDOCRINE SYSTEM
INTRODUCTION TO ENDOCRINE SYSTEM

... norepinephrine. Have a rapid onset and short duration B. Communication 1. Interaction with target cell 2. Lipid soluble hormones pass through cell membrane and usually travel to nucleus 3. Water soluble hormones generally attach to a receptor site on cell membrane C. Distribution 1. Hormones dissolv ...
Slide 1
Slide 1

... • Cells within the posterior lobe of the pituitary do not produce any hormones – Neurons of the hypothalamus manufacture antidiuretic hormone (ADH) and oxytocin (OT) – They travel down the nerve cells into the posterior pituitary, where they are stored and released ...
Pituitary dwarfism in German shepherd dogs
Pituitary dwarfism in German shepherd dogs

... Without proper treatment, the long term prognosis is poor. Many dwarfs will not live more than 4 to 5 years. However, some dogs do live longer, probably because in some cases the pituitary still produces a small amount of hormones. Although the prognosis improves significantly when dwarfs are proper ...
PMHS
PMHS

... Hypothlamus produces two hormones that are transported to neurosecretory cells of the posterior pituitary  The posterior pituitary is not strictly an endocrine gland (doesn’t make hormones), but does store and release hormones Hormones of the Posterior Pituitary  Oxytocin  Stimulates ____________ ...
I. General Characteristics of the Endocrine System
I. General Characteristics of the Endocrine System

... 2. Colloid is a viscous fluid that fills follicles and contains thyroglobulin. 3. Thyroglobulin is a glycoprotein. 4. Extrafollicular cells are located outside of follicles. 5. The follicular cells produce hormones. C. Thyroid Hormones 1. The three hormones produced by the thyroid gland are T4, T3, ...
1-JAN 18 PG
1-JAN 18 PG

... hypothalamo-hypophyseal tract, Stores hormones secreted by hypothalamic nuclei. ...
PTA/OTA 106 Unit 1 Lecture 2
PTA/OTA 106 Unit 1 Lecture 2

... sexual maturation. Some physiologists believe it may also regulate puberty in humans ...
8. Endocrine System 8.1 Basic Concepts The endocrine system is
8. Endocrine System 8.1 Basic Concepts The endocrine system is

... (iii) protein synthesis (blocked by puromycin or cycloheximide); or (iv) gene activation leading to the transcription of new messenger RNA species (blocked by actinomycin D). These actions are not mutually exclusive and hormones may act in one or more of these ways. The first step in the action of a ...
Powerpoint - Zill Anatomy Web Pages
Powerpoint - Zill Anatomy Web Pages

... NERVE - pierces thyrohyoid membrane LEFT RECURRENT LARYNGEAL NERVE - passes under Arch of Aorta ...
The Endocrine System
The Endocrine System

... Thyroid Gland  Found at the base of the throat  Consists of two lobes and a connecting isthmus  Produces two hormones  Thyroid hormone  Calcitonin ...
Chapter 17 Lecture Outline
Chapter 17 Lecture Outline

... • Thyroid follicles—sacs that make up most of thyroid – Contain protein-rich colloid – Follicular cells: simple cuboidal epithelium that lines follicles ...
Neuro-Endocrine - Sinoe Medical Association
Neuro-Endocrine - Sinoe Medical Association

... release is controlled by neuroendocrine secretion in the posterior pituitary lobe. In addition addition, other hypothalamic neurons secrete releasing (RH) or release-inhibiting release inhibiting hormones (RIH) into the portal blood system that control hormone release from specific endocrine cells i ...
The Region of the Larynx - Jefferson Digital Commons
The Region of the Larynx - Jefferson Digital Commons

... ward and forward and gives attachment to the stern o-thyroid and thyrohyoid muscles. The inferior constrictor muscle of th e pharynx is also attached to the sur face behind the oblique lin e. The inn er surface of each ala is slightly concave, smooth , and covered by mu cous membrane. The thyroid ca ...
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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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