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BIO NMDCAT Sexually transmitted diseases
nmdcat.online July 16, 2026

In the life cycle of Herpes Simplex Virus 2 (HSV-2), the virus travels along nerve fibers to reach the sensory ganglia. The cellular mechanism responsible for this retrograde transport utilizes:

A. Blood circulation
B. Lymphatic drainage
C. Microtubule-associated motor proteins within the axon
✓
D. Direct diffusion across adjacent epithelial cells

📝 Explanation

The correct option is Microtubule-associated motor proteins within the axon. The virus enters the sensory nerve endings and exploits the neuron's microtubule transport system (dynein motors) to travel retrograde up the long axon to the cell body in the ganglion for latency.

📖 Additional Information

  • Blood circulation
  • Lymphatic drainage
  • Microtubule-associated motor proteins within the axon
  • Direct diffusion across adjacent epithelial cells

The correct option is Microtubule-associated motor proteins within the axon. The virus enters the sensory nerve endings and exploits the neuron's microtubule transport system (dynein motors) to travel retrograde up the long axon to the cell body in the ganglion for latency.

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