The glomus body mediates temperature regulation through arteriovenous shunts. Which statement correctly states this function?

The glomus body mediates temperature regulation through arteriovenous shunts. Which statement correctly states this function?

• A. Lymphatic drainage
• B. Hormone secretion
• C. Temperature regulation via arteriovenous shunts
• D. Sensory perception

Answer: (C)

The glomus body is a thermoregulatory structure in the skin that controls heat loss by modulating an arteriovenous shunt. It acts like a temperature-regulating valve: when cold, the shunt constricts to reduce blood flow to the skin and conserve heat; when warm, it dilates to increase skin blood flow and promote heat dissipation. This function is distinct from lymphatic drainage, hormone secretion, or sensory perception, which is why the statement about temperature regulation via arteriovenous shunts is the correct description. (These structures are concentrated in digits and help fine-tune heat exchange with the environment.)

The glomus body is a thermoregulatory structure in the skin that controls heat loss by modulating an arteriovenous shunt. It acts like a temperature-regulating valve: when cold, the shunt constricts to reduce blood flow to the skin and conserve heat; when warm, it dilates to increase skin blood flow and promote heat dissipation. This function is distinct from lymphatic drainage, hormone secretion, or sensory perception, which is why the statement about temperature regulation via arteriovenous shunts is the correct description. (These structures are concentrated in digits and help fine-tune heat exchange with the environment.)