Which of the Following Structures Does NOT Send Inputs to the Suprachiasmatic

question 83

Multiple Choice

Which of the following structures does NOT send inputs to the suprachiasmatic nucleus?

• A) intergeniculate leaflet
• B) raphe nucleus
• C) retinohypothalamic tract
• D) tectopulvinar tract

---

Definitions:

Midbrain

The middle portion of the brainstem that plays an important role in motor movement, particularly movements of the eye, and in auditory and visual processing.

Ascending Track

A progression or sequence that moves upward or increases in scale or importance.

Spinal Cord

A long, thin, tubular bundle of nervous tissue and support cells that extends from the brainstem to the lumbar region, enabling neural connections between the brain and the rest of the body.

Sensory Information

Data received by the senses, such as sight, hearing, smell, taste, or touch, which is then interpreted by the brain.