Question

Typhlosole is a structure associated with

• A. circulatory system of earthworm
• B. digestive system of earthworm
• C. excretory system of earthworm
• D. reproductive system of earthworm

Answer 1

Answer: (B)

digestive system of earthworm

Answer 2

Typhlosole is a structure associated with the digestive system of earthworm. It is formed from the villi (larger) of intestine and hang in lumen of intestine, it run mid dorsally from $26^{th}$ segment up to the last except posterior $24^{th}$ and $25^{th}$ segments. This structure divide intestine into pre-typhlosar, typhlosolar and post-typhlosolar three regions.