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Chapter 20 Endocrine system part 2
Chapter 20 Endocrine system part 2

... Gonadotropin releasing hormone ( GnRH) causes the anterior pituitary to secrete two hormones called gonadotripins that stimulate the sex glands in the body. These two hormones are called follicle stimulating hormone and luteinizing hormone. i. FSH stimulates the growth and secretion of follicles in ...
Endocrine System
Endocrine System

... • Regulates Na+ & K+ reabsorption in the kidneys this influences blood volume & blood pressure • Oxytocin, which, among other functions, helps deliver milk from the glands of the breast. ...
THE TARGET CELL CONCEPT
THE TARGET CELL CONCEPT

... . Hormones are present at very low concentrations in the extracellular fluid, generally in the range of 10–15 to 10–9 mol/L. This concentration is much lower than that of the many structurally similar molecules (sterols, amino acids, peptides, proteins) and other molecules that circulate at concentr ...
Hypopituitarism - University of Yeditepe Faculty of Medicine, 2011
Hypopituitarism - University of Yeditepe Faculty of Medicine, 2011

... Retinal degeneration begins in early childhood ...
The Endocrine System – Chapter 9 Notes Second messenger
The Endocrine System – Chapter 9 Notes Second messenger

...  General metabolic hormone  Major effects are directed to growth of _______________ muscles and long ____________  Causes amino acids to be built into proteins  Causes fats to be broken down for a source of energy Function of Other Anterior Pituitary Hormones  _________________ (PRL)  Stimulat ...
spc-doc_PL 16853-0116 - Medicines and Healthcare products
spc-doc_PL 16853-0116 - Medicines and Healthcare products

... physiologically testosterone serum levels are lower with increasing age. As a precaution, regular examinations of the prostate are recommended in men. In patients receiving long-term androgen therapy, the following laboratory parameters should also be monitored regularly: haemoglobin and haematocrit ...
Hormones and the Endocrine System Intercellular communication
Hormones and the Endocrine System Intercellular communication

... female secondary sex characteristics • In mammals, progestins, which include progesterone, are primarily involved in preparing and maintaining the uterus • Synthesis of the sex hormones is controlled by FSH and LH from the anterior pituitary ...
Endocrine System
Endocrine System

... is rare. Instead, inflammation of the thyroid gland is the more common cause of low blood levels of thyroid hormones. Called hypothyroidism, the condition is characterized by a low metabolic rate, weight gain, cold extremities, constipation, reduced libido, menstrual irregularities, and reduced ment ...
Slide 1 - TeacherWeb
Slide 1 - TeacherWeb

... Results from the over secretion of somatotropin (growth hormone) in an adult and is usually caused by a benign (noncancerous) tumor Bones of the hands, feet, and face enlarge and create a grotesque appearance The skin and tongue thicken, and a speech slur ...
Coordination of the human body
Coordination of the human body

... 2.These calcium ions cause the synaptic vesicles to fuse with the cell membrane, releasing their contents (the neurotransmitter chemicals) by exocytosis. 3.The neurotransmitters diffuse across the synaptic cleft. 4.The neurotransmitter binds to the neuroreceptors in the post-synaptic membrane, causi ...
Endocrine System Overview
Endocrine System Overview

... • Hormones released when levels are low or there is  a need to increase levels; then it “shuts it off” An example:   an event (such as an infection) causes  hypothalamus to stimulate pituitary to release ACTH;   ACTH  causes adrenal cortex to release cortisol, which inhibits  inflammation.   When co ...
1-Adrenals
1-Adrenals

... serum is high due to high level of bound form only. • In contrast, loss of CBG, like nephrotic syndrome, androgen therapy, leading to decrease in total level of hormones, due to a decrease in the bound form only, while the free form is normal in both cases (no symptoms). • The hormone is inactivated ...
Endocrinology - Texas Tech University Health Sciences Center
Endocrinology - Texas Tech University Health Sciences Center

... LECTURES 4-6 ...
HUMAN ENDOCRINE SYSTEM 28 MAY 2014
HUMAN ENDOCRINE SYSTEM 28 MAY 2014

... Describe the negative feedback mechanism involving: o TSH and thyroxin (and the result of an imbalance: thyroid disorders) o Insulin and glucagon o (and the result of an imbalance: diabetes mellitus) ...
GI Endocrinology: 101
GI Endocrinology: 101

... • Fasting serum gastrin measurement – high sensitivity (> 95%) – low specificity and modest positive predictive value can be enhanced with provocative testing with secretin (2 IU/kg or 0.4 ug/kg i.v.) or calcium infusion (4 mg/kg calcium gluconate per hour for 3 hours), where likelihood ratios incre ...
50-year-old man with low testosterone and high cortisol
50-year-old man with low testosterone and high cortisol

... • Cardiovascular: Positive for palpitations (thought anxiety‐related) and leg swelling. Negative for  ...
The Endocrine System
The Endocrine System

...  Cortisol provokes formation of glucose from fats & proteins  Cortisol enhances epinephrine’s vasoconstrictive effects with rise of blood pressure  Anti-inflammatory and anti-immune effects are associated with cortisol excess  Cushing’s disease- may be caused by ACTHreleasing pituitary tumor, ad ...
Hormones (secretion, regulation, function complete)
Hormones (secretion, regulation, function complete)

... release of lipids by adipose tissue; more potent for heart and metabolic activities. ...
hormone
hormone

... The Endocrine System ...
Lab (12) Sex hormones
Lab (12) Sex hormones

... • Women under the age of 35 may be tested to determine ovarian reserve which may assist to determine optimal timing to start a family. The test can also be helpful in determining the fertility status of patients at risk of diminished ovarian reserve e.g. women with a history of ovarian failure, fami ...
Vocabulary for Test: Nervous and Endocrine Systems
Vocabulary for Test: Nervous and Endocrine Systems

... Corpus Luteum - a progesterone-secreting yellow body in the ovary, formed when lutenizing hormone causes a ruptured follicle to fill with cells Diabetes - a condition caused by insufficient concentration of insulin in the blood or a desensitivity to the action of insulin Effectors - structures that ...
7 Endocrine Anat and Physio flashcards
7 Endocrine Anat and Physio flashcards

... Type I diabetes (insulin dependent, develops in children) is more serious. It is caused by destruction of pancreatic islets by autoimmune disorders. They must have insulin injections daily throughout life. Type II diabetes is much more common, usually appears after age 40, and is a consequence of ob ...
Thyroid Screen (TSH)
Thyroid Screen (TSH)

... TSH is a hormone produced by the pituitary gland, a small organ located below the brain and behind the sinus cavities. TSH stimulates the thyroid gland, which is a gland in the neck, to release the hormones thyroxine (T4) and triiodothyronine (T3) into the blood. These thyroid hormones help control ...
Recognition and management of acute adrenal crises [RR 2016].
Recognition and management of acute adrenal crises [RR 2016].

... • Borderline cortisol levels or inappropriately normal ACTH levels may require further dynamic testing ...
What To Do When Cushing`s Returns
What To Do When Cushing`s Returns

... What we see is a small pocket of ACTH-staining cells that are larger than normal corticotrope cells, but not a clear tumor. My guess is this is an early tumor. Often see multiple tumors connected by a barbell or an octopus with 8 arms. In some cases, there is a tumor of ACTH-staining cells on one si ...
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Hyperandrogenism

Hyperandrogenism, or androgen excess, is a medical condition characterized by excessive levels of androgens in the body and the associated effects of these excessive levels of androgens.Hyperandrogenism is one of the primary symptoms of polycystic ovary syndrome (PCOS). In such cases, it presents with symptoms such as acne and seborrhea, is frequent in adolescent girls and is often associated with irregular menstrual cycles. In most instances, these symptoms are transient and reflect only the immaturity of the hypothalamic-pituitary-ovarian axis during the first years following menarche. Approximately three-quarters of patients with PCOS (by the diagnostic criteria of NIH/NICHD 1990) have evidence of hyperandrogenism, with free testosterone being the single most predictive marker with ~60% of patients demonstrating supranormal levels.Hyperandrogenism can also be the result of excessive production of adrenal or gonadal androgens by adrenal adenomas, carcinomas, or hyperplasia, Leydig cell tumors in men, and arrhenoblastomas in women.In women, signs and symptoms of hyperandrogenism frequently include acne, scalp hair loss (androgenic alopecia), excessive facial and body hair (hirsutism), atypically high libido, breast atrophy, and others. Collectively, these symptoms are described as virilization.Management of hyperandrogenism symptoms like androgenic alopecia, include the use of antiandrogens such as cyproterone acetate, spironolactone, and flutamide.
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