- In general, there are three types of chemical signals, and hormones are one of these types.
- Hormones influence the metabolism of their target cells.
| - What are pheromones?
Answer - What are hormones and how do they reach the cells on which they act?
Answer - What type of molecule are steroid hormones?
Answer - Where in a target cell are the receptors for steroid and peptide hormones found?
Answer
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Essential Study Partner
Summaries of major points- Categories of signals
- Action of hormones
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- The hypothalamus controls the function of the pituitary gland, which in turn controls several other glands.
- The parathyroid glands are embedded in the thyroid but have an entirely separate structure and function.
- The thyroid produces two hormones that speed metabolism and another that lowers the blood calcium level. The parathyroid glands produce a hormone that raises the blood calcium level.
- The adrenal medulla and the adrenal cortex are separate parts of the adrenal glands that have functions in relation to stress.
- The pancreas secretes hormones that help control the blood glucose level.
- Diabetes mellitus occurs when cells are unable to take up glucose and it spills over into the urine.
- The gonads produce the sex hormones that control secondary sexual characteristics.
| - What is the major difference between endocrine and exocrine glands?
Answer - What hormones are produced by the hypothalamus?
Answer - What is the function of growth hormone and where is it produced?
Answer - What is the function of thyroid hormones?
Answer - What are the short-term effects of epinephrine and norepinephrine?
Answer - What two hormones are secreted by the pancreas that maintain blood glucose levels?
Answer - What are the male and female sex hormones, where are each produced and are they steroid or peptide hormones?
Answer
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Essential Study Partner
Summaries of major points- Endocrine glands
- Hypothalamus and pituitary gland
- Thyroid glands
- Parathyroid glands
- Adrenal glands
- Adrenal medulla
- Adrenal cortex
- Malfunction of the adrenal cortex
- Pancreas
- Diabetes mellitus
- Testes and ovaries
- Thymus gland
- Pineal gland
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