Simplify the Complex Fraction

question 171

Essay

Simplify the complex fraction.

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Definitions:

Third Ventricle

A narrow, midline cavity in the brain, part of the ventricular system where cerebrospinal fluid is produced and circulates, located between the two halves of the thalamus.

Habenula

A paired structure located in the epithalamus of the brain, involved in regulating responses to pain, stress, sleep, and reward by linking the forebrain to the midbrain and associated with various neurotransmitter systems.

Pineal Body

A small endocrine gland in the brain that produces melatonin, a hormone that regulates sleep-wake cycles.

Epithalamus

A part of the diencephalon in the brain that includes the pineal gland and is involved in the regulation of sleep-wake cycles.