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Questions and Answers
What is the approximate percentage of exocrine cells in the pancreas that are arranged in clusters?
What is the approximate percentage of exocrine cells in the pancreas that are arranged in clusters?
- 50%
- 99% (correct)
- 75%
- 100%
What is the main function of the acini in the pancreas?
What is the main function of the acini in the pancreas?
- Producing hormones
- Producing digestive enzymes (correct)
- Storing bile
- Regulating blood sugar levels
What is the route through which digestive enzymes from the pancreas flow into the gastrointestinal tract?
What is the route through which digestive enzymes from the pancreas flow into the gastrointestinal tract?
- Blood vessels
- A network of ducts (correct)
- Nerve fibers
- Lymphatic vessels
What type of cells are arranged in clusters called acini in the pancreas?
What type of cells are arranged in clusters called acini in the pancreas?
What is the location where digestive enzymes from the pancreas ultimately flow into?
What is the location where digestive enzymes from the pancreas ultimately flow into?
What is the primary treatment option for prolactinomas?
What is the primary treatment option for prolactinomas?
What is the effect of dopamine agonists on prolactin levels?
What is the effect of dopamine agonists on prolactin levels?
What is the result of dopamine agonist treatment on prolactinomas?
What is the result of dopamine agonist treatment on prolactinomas?
Why are dopamine agonists used to treat prolactinomas?
Why are dopamine agonists used to treat prolactinomas?
What is the benefit of using dopamine agonists as a treatment for prolactinomas?
What is the benefit of using dopamine agonists as a treatment for prolactinomas?
What is the main function of oxytocin in the pregnant uterus?
What is the main function of oxytocin in the pregnant uterus?
What is the name of the hormone that stimulates contraction of the pregnant uterus?
What is the name of the hormone that stimulates contraction of the pregnant uterus?
What is another action of oxytocin besides stimulating contraction of the pregnant uterus?
What is another action of oxytocin besides stimulating contraction of the pregnant uterus?
When does oxytocin have a significant impact on the pregnant uterus?
When does oxytocin have a significant impact on the pregnant uterus?
What is the etymology of the name 'oxytocin'?
What is the etymology of the name 'oxytocin'?
What are the two functions of the ovaries?
What are the two functions of the ovaries?
What type of hormones do they synthesize?
What type of hormones do they synthesize?
What connect the ovaries to the uterus?
What connect the ovaries to the uterus?
What is the name of the major mineralocorticoid?
What is the name of the major mineralocorticoid?
What are the two female sex steroid hormones secreted by the ovaries?
What are the two female sex steroid hormones secreted by the ovaries?
What is the effect of the hormones they synthesize?
What is the effect of the hormones they synthesize?
Which cells are involved in the synthesis of estrogen and progesterone?
Which cells are involved in the synthesis of estrogen and progesterone?
What is the root of the word 'androgens'?
What is the root of the word 'androgens'?
What is the main function of the granulosa cells?
What is the main function of the granulosa cells?
What type of hormone is aldosterone?
What type of hormone is aldosterone?
What is the biosynthetic pathway of estrogen and progesterone similar to?
What is the biosynthetic pathway of estrogen and progesterone similar to?
What is the function of the ovarian arteries?
What is the function of the ovarian arteries?
What is the role of the theca cells?
What is the role of the theca cells?
Study Notes
Oxytocin
- Stimulates contraction of the pregnant uterus, especially towards the end of gestation
- Involved in milk ejection
Pancreas
- 99% of exocrine cells are arranged in clusters called acini
- Acini produce digestive enzymes, which flow into the gastrointestinal tract through a network of ducts
Ovaries
- Have two functions: oogenesis and secretion of female sex steroid hormones
- Produce progesterone and estrogen
- Attached to the uterus by ligaments, which contain ovarian arteries, veins, lymphatic vessels, and nerves
Estrogen and Progesterone Synthesis
- Synthesized by ovarian follicles through the combined functions of granulosa cells and theca cells
- Biosynthetic pathway is similar to that of the adrenal cortex and the testes
Mineralocorticoids
- Aldosterone is the major mineralocorticoid
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Description
Learn about the role of oxytocin in stimulating uterine contractions and its other functions, including milk ejection.
