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Anatomy Questions

Explore questions in the Anatomy category that you can ask Spark.E!

The relatively unchanging pressure in a filling stomach is due to the contraction of the stomach oblique muscle layer.

- released by parathyroid glands-increases blood calcium, decreases its loss in urine, activates calcitriol hormone

- released from adrenal medulla- stimulates vasoconstriction

The circular folds of the small intestine enhance absorption by causing the chyme to spiral, rather than to move in a straight line, as it passes through the small intestine.

Food often contains bacteria, but the HCl of the stomach is effective in killing most ingested microbes.

Gastric accommodation is an example of smooth muscle plasticity.

- in males- secreted by follicle-stimulating hormone and luteinizing hormone

Stellate macrophages are found in the liver and are responsible for removing bacteria and worn-out cells.

-released from adrenal cortex- produced by glucocorticoids and gonadocorticoids - male sex hormones- estrogen in females

-released from pancreatic islets Beta cells (pancreas)- lowers blood glucose level

- released from anterior pituitary-gonadotropin- regulate ovarian development and secretion of estrogen and progesterone- sperm development and secretion of testosterone- triggered by GnRH from hypothalamus

- released from adrenal medulla - increases heart rate and contraction of heart muscles

What hormone does the pineal gland secrete?

- released from anterior pituitary - triggered from CRH from hypothalamus- causes release of corticosteroids by adrenal cortex

- regulated by anterior pituitary - in females - secreted by follicle-stimulating hormone and luteinizing hormone

- released from pineal gland- causes drowsiness, regulates circadian rhythm, and has effects on mood - influence GnRH secretion

- GH- released from anterior pituitary- causes liver to secrete insulin-like growth factors 1 and 2 - stimulate cell growth and division

- released from anterior pituitary gland- triggered by PRH-inhibited by PIH from hypothalamus- causes milk production, mammary gland growth in females

- released from pancreatic islets Alpha cells (pancreas)- raises blood glucose level

- released from thyroid gland - increases metabolic rate and protein synthesis in targets- stimulates synthesis of sodium-potassium pumps in neurons- Stimulates increased amino acid and glucose uptake-increases number of cellular respiration enzymes within mitochondria

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