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Lesson 10 - MsBakerGHS
Lesson 10 - MsBakerGHS

... Tropic hormones from the anterior pituitary include: Thyroid-stimulating hormone (TSH or thyrotropin) – stimulates the thyroid gland to make and release thyroid hormone. Adrenocorticotropic hormone (ACTH or corticotropin) – stimulates the adrenal cortex to release glucocorticoids. Luteinizing hormon ...
Chapter 13 – The Endocrine System ()
Chapter 13 – The Endocrine System ()

... thyroxine. This disorder, also known as Grave=s disease, occurs when antibodies attach to TSH receptors on thyroid cells. This causes the cells of the thyroid gland to continually produce thyroxine. Excess thyroxine causes a number of problems ; ...
9 - Mr-Js-Science
9 - Mr-Js-Science

... • Triiodothyronine (T3)—conversion of T4 at target tissues ...
The Endocrine System
The Endocrine System

... are sent to the anterior pituitary from the hypothalamus. They can be identified by the ending -tropin, as in gonadotropin. The adjective ending is -tropic. The posterior pituitary releases two hormones that are actually produced in the hypothalamus. These hormones, antidiuretic hormone and oxytocin, ...
05 Endocrine System note
05 Endocrine System note

... pituitary gland are secreted when stimulated by the hypothalamus via nerve impulses  composed of two lobes: posterior and anterior  posterior: stores many hormones produced by the hypothalamus (travel to pituitary gland through blood)  anterior: produces its own hormones, BUT still under control ...
Chapter 26 Hormones and the Endocrine System
Chapter 26 Hormones and the Endocrine System

... The thyroid gland is located in the neck, just under the larynx (voice box).  The thyroid gland produces two similar hormones - thyroxine (T4).甲狀腺素 - triiodothyronine (T3).三碘甲狀腺素 The maturation of a tadpole (below)  These hormones regulate many aspects of into an adult frog (above), as regulated b ...
Hormones and the Endocrine System Intercellular communication
Hormones and the Endocrine System Intercellular communication

... synthesize androgens, mainly testosterone, which stimulate development and maintenance of the male reproductive system • Testosterone causes an increase in muscle and bone mass and is often taken as a supplement to cause muscle growth, which carries health risks ...
Chapter 23
Chapter 23

... - this hormone increases blood calcium and magnesium levels, decreases blood phosphate levels, and promotes the formation of calcitriol, which is the active form of vitamin D ii. less numerous oxyphil cells whose function is currently unknown 3. The parathyroid glands receive their blood supply from ...
No Slide Title
No Slide Title

... endocrine cells that produce: • Insulin (from  cells) – secreted after meal with carbohydrates raises glucose blood levels – stimulates glucose and amino acid uptake – nutrient storage effect (stimulates glycogen, fat and ...
PTA 198 Anatomy and Physiology
PTA 198 Anatomy and Physiology

... b. Major Veins: Superior sagittal sinus, Transverse sinus, Sigmoid sinus, Temporal, Occipital, Facial, Maxillary, External Jugular, Internal jugular, Vertebral, Brachiocephalic 7. Be able to identify/locate the endocrine glands on charts and models, also explain/describe hormones produced by each g ...
Summary - Union High School
Summary - Union High School

... period of rapid growth and sexual maturation that usually begins between ages 9 and 15. At the end of puberty, the male and female reproductive organs are fully developed and able to function. The main function of the male reproductive system is to produce and deliver sperm. The main organs of the m ...
CHEMICAL REGULATION
CHEMICAL REGULATION

... PITUITARY, CONNECTS THE NERVOUS AND ENDOCRINE SYSTEMS – PITUITARY CONSISTS OF TWO DISTINCT PARTS • POSTERIOR PITUITARY – COMPOSED OF NERVOUS TISSUE, AN EXTENSION OF THE HYPOTHALAMUS; STORES AND SECRETES HORMONES MADE IN THE HYPOTHALAMUS ...
No Slide Title
No Slide Title

... endocrine cells that produce: • Insulin (from  cells) – secreted after meal with carbohydrates raises glucose blood levels – stimulates glucose and amino acid uptake – nutrient storage effect (stimulates glycogen, fat and ...
1 The Endocrine System no clear distinction between nervous and
1 The Endocrine System no clear distinction between nervous and

... raises blood Ca++ levels:  stimulates osteoclasts to dissolve bone Calcium homeostasis is important in: neuromuscular function blood clotting synapses to activate certain enzymes affects cell membrane permeability surgical removal of thyroid gland requires PTH hormone replacement therapy if all par ...
The Endocrine System
The Endocrine System

... the thyroid hormones: – thyroxine (T4) – triiodothyronine (T3) • When stimulated (by TSH or by cold), these are released into the circulatory system and  the metabolic rate. – “C” cells within the thyroid produce the hormone calcitonin. ...
The Endocrine System
The Endocrine System

... the thyroid hormones: – thyroxine (T4) – triiodothyronine (T3) • When stimulated (by TSH or by cold), these are released into the circulatory system and  the metabolic rate. – “C” cells within the thyroid produce the hormone calcitonin. ...
1 Chapter 11: The Endocrine System • Exocrine glands will produce
1 Chapter 11: The Endocrine System • Exocrine glands will produce

... sperm cells and contributes to the male secondary sexual characteristics • Female: Estrogen and progesterone produced in the ovaries and in the placenta during pregnancy that regulation the female reproductive cycle. Estrogen also contributes to the female secondary sexual characteristics o Digestiv ...
Chapter 16 - apsubiology.org
Chapter 16 - apsubiology.org

... thyroid hormone permits reproductive hormones to cause their effects on reproductive development ...
Hormones - Palm Beach State College
Hormones - Palm Beach State College

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

... When FSH and ICSH act on the testes, sperm cells develop. Mature sperm usually form in boys by the age of 16. Testosterone, the major male hormone, plays a part in sperm formation. It also affects male secondary sexual characteristics and development of the male accessory sex organs—the prostate gla ...
File - Anatomy & Physiology
File - Anatomy & Physiology

... • Directs activities of the pituitary gland by secreting hypothalamic releasing hormones and hypothalamic nonreleasing hormones to stimulate or inhibit release of hormones from the pituitary gland • Very small gland buried deep in the brain below the thalamus • Plays an important role in regulating ...
Summary
Summary

... anatomical studies of the larynx. Other five adult rabbits were used for the histological study to confirm some anatomical findings. The present study revealed that the larynx in the Balady rabbit is short tubular box like organ wide at its middle than at either ends due to the presence of large thy ...
Chapter 47
Chapter 47

... a) Juvenile hypothyroidism may lead to cretinism, which is characterized by retarded mental and physical development b) Adult hypothyroidism is characterized by a sluggish metabolic rate c) Extreme adult hypothyroidism causes myxedema, and may be treated by thyroid hormone administration d) Hyperthy ...
Organs of the Endocrine System and Their Products
Organs of the Endocrine System and Their Products

... (capillary networks and small veins) – carries regulatory hormones from hypothalamus to pituitary • releasing hormones stimulate secretion of pituitary hormones • inhibitory hormones inhibit secretion ...
a11 Endocrine System
a11 Endocrine System

... deposition. Made by parafollicular cells. ...
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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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