Final answer:
Athlete's foot is the term for red, itchy patches of skin on the bottom of the feet and/or between toes. It is a fungal infection commonly caused by the fungus Trichophyton.
Step-by-step explanation:
The term for red, itchy patches of skin on the bottom of the feet and/or between toes is athlete's foot. Athlete's foot is a common fungal infection that typically causes itching, burning, and redness in the affected areas. It is often caused by the fungus Trichophyton and is commonly spread in warm, humid environments like locker rooms and swimming pools.