Discuss the importance of countercurrent flow to the functioning of the nephron

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Countercurrent flow refers to the flow of fluid in opposite directions in parallel tubing (tubules and blood vessels). The arrangement allows gradients to develop between tubular fluid, blood, and interstitial fluid. Gradients allow for reabsorption of large amounts of water and ions from the tubular fluid.

Anatomy & Physiology

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The lamina propria is composed of ________.

A) loose connective tissue B) dense irregular connective tissue C) dense regular connective tissue D) reticular connective tissue

Anatomy & Physiology

Hormone secretion by the anterior pituitary is controlled by

A. neurons from the hypothalamus. B. hormones of the thalamus. C. the overall rate of metabolism. D. itself (anterior pituitary) because it is the master gland of the body. E. neurohormones of the hypothalamus.

Anatomy & Physiology

The release of hormones from the adrenal cortex is stimulated by

A. adrenocorticotropic hormone. B. oxytocin. C. luteinizing hormone. D. antidiuretic hormone. E. thyroid hormone.

Anatomy & Physiology

Identify the following

Anatomy & Physiology