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Biology 416K Summer 2002
Biology 416K Summer 2002

... a. act only on endocrine tissues. b. have a similar basic molecular structure. c. act only on cells that have receptors for them. d. are produced from glucose or other monosaccharides. e. are produced in large amounts to be available to all body cells. 12. The adrenal gland secretes each of the foll ...
The Endocrine System
The Endocrine System

... 6. Uterine contraction pushes the baby deeper into the birth canal and pressure receptors in the cervix are again triggered.... see #2. This positive feedback loop continues until the baby is born. --> When doctors induce labor, the woman receives several doses of a synthetic oxytocin to get the pos ...
Chapter 45.
Chapter 45.

... receives information from nerves around body about internal conditions regulates release of hormones from pituitary ...
Unit 12 Chp 45 Animal Endocrine System Notes
Unit 12 Chp 45 Animal Endocrine System Notes

... Hyperthyroidismis the excessive secretion of thyroid hormones, exhibited by high body temperature, profuse sweating, weight loss, irritability, high blood pressure. ...
18-1 The Endocrine System
18-1 The Endocrine System

... Negative Feedback Systems • Decrease in blood levels • Receptors in hypothalamus & thyroid • Cells activated to secrete more TSH or more T3 & T4 • Blood levels increase ...
The Hidden Truth About Weight Gain
The Hidden Truth About Weight Gain

... decline around age 40. The more pounds gained, the more ...
1 Testosterone Cypionate Injection, USP CIII
1 Testosterone Cypionate Injection, USP CIII

... phosphorous, and decreased urinary excretion of calcium. Androgens have been reported to increase protein anabolism and decrease protein catabolism. Nitrogen balance is improved only when there is sufficient intake of calories and protein. Androgens are responsible for the growth spurt of adolescenc ...
AIS Factsheet
AIS Factsheet

... conceived with male (XY) sex chromosomes. Embryonic testes develop inside the body and start to produce androgens. But these male hormones cannot complete the male genital development due to a rare insensitivity of the fetal body tissues to androgens. So the external genital development continues al ...
Overview of Pituitary Syndromes
Overview of Pituitary Syndromes

...  Bromocriptine - temporary measure  May decrease GH by 50%  Somatostatin (Octreotide)  For suboptimal response to other treatment ...
3rd Lecture Endocrine Biochemistry
3rd Lecture Endocrine Biochemistry

... each menstrual cycle) by interfering with the normal release of FSH and LH from the pituitary. (i.e. high levels of prolactin usually associated with low LH and FSH levels in blood. ...
Physiology Unit 2 Study Sheet
Physiology Unit 2 Study Sheet

... 9. How do local and long-distance pathways maintain homeostasis? 10. What are set points, biological rhythms, and feed-forward control mechanism? 11. Be able to relate the various endocrine and nervous signaling pathways. Take the information from chapter 7 and 6 and correlate specific examples for ...
A Microsoft Word printable version of these cases is here.
A Microsoft Word printable version of these cases is here.

... 3. Is Oscar anemic? Which of the test results answers this question? 4. Does Oscar have an infection? Which of the test results answers this question? 5. Which hormone is most likely associated with the symptoms of weaknesss, fatigue, weight loss and decreased cold tolerance? 6a. What endocrine orga ...
printable version of the five cases here
printable version of the five cases here

... 3. Is Oscar anemic? Which of the test results answers this question? 4. Does Oscar have an infection? Which of the test results answers this question? 5. Which hormone is most likely associated with the symptoms of weaknesss, fatigue, weight loss and decreased cold tolerance? ...
Benign Brain Tumors - American Brain Tumor Association
Benign Brain Tumors - American Brain Tumor Association

... ACTH secreting tumors • ACTH over secretion leads to downstream over secretion of cortisol • Cortisol is a steroid hormone produced in the adrenal gland • Normally released to increase blood sugar, decrease inflammatory response • “Stress Hormone” ...
[j26] Chapter 20#
[j26] Chapter 20#

... ___ 67. As the ovarian follicles grow, FSH stimulates the granulosa cells to convert precursor testosterone molecules into estrogen. ___ 68. Only after the secondary oocyte has been ovulated and fertilized by sperm does the oocyte complete its second meiotic division and form a second polar body. __ ...
II. Endocrine Regulation of Reproduction
II. Endocrine Regulation of Reproduction

... ___ 67. As the ovarian follicles grow, FSH stimulates the granulosa cells to convert precursor testosterone molecules into estrogen. ___ 68. Only after the secondary oocyte has been ovulated and fertilized by sperm does the oocyte complete its second meiotic division and form a second polar body. __ ...
Effects of Sex Steroid Deprivation/Administration on Hair
Effects of Sex Steroid Deprivation/Administration on Hair

... most of its actions on the skin, testosterone is converted into 5 -dihydrotestosterone by 5 -reductase. Only a small fraction of 5 dihydrotestosterone reenters the plasma, whereas a larger portion is converted to 5 -androstane-3 ,17ß-diol glucuronide (Adiol G) (2), which is considered an indicator o ...
Chapter 15-A Functional Organization of the
Chapter 15-A Functional Organization of the

... prepare the body to respond to stressful conditions • Once the stressful stimuli are removed, less epinephrine is released as a result of decreased stimulation from the ANS ...
Too many cells
Too many cells

... XS ACTH—hypercortisolism (Cushing syndrome) Hyperpigmentation due to inc’d ACTH ...
August 25, 2011 - University of South Alabama Health System
August 25, 2011 - University of South Alabama Health System

... diabetes, on board exams and clinically • Insulin and C-peptide can be variable and high insulin levels don’t mean you have diabetes ...
ACTH-secreting `apudoma` of gallbladder
ACTH-secreting `apudoma` of gallbladder

... steroid fractions estimated. This has been described elsewhere in association with ectopic ACTH production (Bailey, 1971), and in one case of Cushing's disease was shown conclusively by Liddle (1972) and Brown, Van Loon, Orth, and Liddle (1973) to be due to a regular periodic cycle of hormone secret ...
Chapter 45 Hormones and Endocrine system
Chapter 45 Hormones and Endocrine system

... reabsorption ...
HH15_Reproductive organs
HH15_Reproductive organs

... degeneration of corpus luteum (day 22) • Followed by rapid drop in progesterone (& oestrogen) ...
The Endocrine System
The Endocrine System

... --aldosterone—causes kidneys to reabsorb sodium and water --cortisol—causes tissues to increase blood nutrients, allows damaged tissues to ...
Endocrine 2
Endocrine 2

... enzymatically into more potent androgens such as ___________. ...
< 1 ... 92 93 94 95 96 97 98 99 100 ... 183 >

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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