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Questions and Answers
What hormone secreted by the anterior pituitary gland stimulates the production of egg and sperm?
What condition results from hypo-secretion of FSH and LH?
Which hormone is responsible for increasing water absorption in the kidneys?
What is the primary symptom of diabetes insipidus?
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What can be the result of treating hyposecretion of FSH and LH with fertility drugs?
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What causes urine to be described as 'insipid' in the context of diabetes insipidus?
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Which function is associated with luteinizing hormone (LH)?
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What is the primary role of growth hormone (GH) produced by the anterior pituitary gland?
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What condition results from the hypo-secretion of growth hormone during childhood?
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Which of the following is a result of hyper-secretion of growth hormone during childhood?
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Acromegaly primarily affects which of the following body structures?
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What can cause the condition of sterility in individuals?
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How does the secretion of growth hormone change during puberty?
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What happens to a person's height if they experience hyper-secretion of growth hormone during adulthood?
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Which gland is responsible for the secretion of growth hormone?
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Study Notes
Pituitary Gland
- The pituitary gland produces hormones crucial for bodily processes like metabolism, water retention, and reproduction.
- Hormone imbalances, either hyper- or hypo-secretion, can lead to various disorders and diseases.
Pituitary Dwarfism
- Growth hormone (GH) is produced by the anterior pituitary gland, promoting bone and muscle growth.
- Insufficient GH secretion during childhood results in pituitary dwarfism, characterized by slow and proportional growth, limiting height to under four feet.
Gigantism and Acromegaly
- Excessive GH secretion during childhood leads to gigantism, causing rapid and proportional growth with heights reaching 8 or 9 feet.
- Growth hormone secretion continues after puberty, even after long bones stop growing.
- Hypersecretion of GH during adulthood results in acromegaly, where bone growth continues in areas like the jaw, face, hands, and feet, causing disfigurement.
Sterility
- The anterior pituitary gland produces follicle-stimulating hormone (FSH) and luteinizing hormone (LH), essential for reproduction.
- Hypo-secretion of FSH and LH from the anterior pituitary can cause sterility, which is the inability to have children.
- Fertility drugs stimulate FSH and LH release, potentially leading to multiple ovulations and births.
Diabetes Insipidus
- Antidiuretic hormone (ADH), also known as vasopressin, is produced by the posterior pituitary gland and regulates water absorption by the kidneys.
- Hypo-secretion of ADH causes diabetes insipidus, characterized by a deficiency in ADH, leading to excessive urination and thirst.
- The urine of individuals with diabetes insipidus is dilute and tasteless due to the constant water loss through urination.
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Description
Explore the functions and disorders related to the pituitary gland, including growth hormone-related conditions such as pituitary dwarfism, gigantism, and acromegaly. Understand how hormone imbalances can impact growth and reproduction. Test your knowledge on the crucial roles of the anterior pituitary gland in health.
