The Mechanisms That Establish the Medullary Osmotic Gradient Depend Mostly

question 322

Multiple Choice

The mechanisms that establish the medullary osmotic gradient depend mostly on the properties of the ________.

• A) distal convoluted tubule
• B) glomerular filtration membrane
• C) collecting duct
• D) loop of Henle

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Definitions:

Conus Medullaris

The tapered, lower end of the spinal cord which typically ends at the first or second lumbar vertebra, marking the transition from spinal cord to cauda equina.

Lateral Funiculus

A bundle of nerve fibers along the lateral side of the spinal cord, important in sensory and motor function.

Central Canal

A fluid-filled channel in the center of the spinal cord and the brain's ventricular system, carrying cerebrospinal fluid.

Anterior Horn

The front section of the spinal cord's grey matter, containing cell bodies of motor neurons.