Mehlis' gland

Mehlis' Gland is a specialized organ found in certain parasitic trematodes, a class of flatworms. Named after the German zoologist Otto Friedrich Bernhard von Mehlis, this gland plays a crucial role in the reproductive system of these organisms.

Function

The primary function of Mehlis' gland is to secrete a sticky substance that surrounds the eggs of the trematode. This substance aids in the transportation of the eggs through the female reproductive tract and into the environment. The gland is located near the ovary and is connected to the ootype, a structure where the eggs are formed.

Structure

Mehlis' gland is typically composed of a cluster of secretory cells. These cells produce the sticky substance that is used to coat the eggs. The gland is connected to the ootype via a duct, which allows the secretions to be transported to the eggs.

Role in Parasitism

The secretions of Mehlis' gland are crucial for the successful parasitism of trematodes. The sticky substance helps the eggs to adhere to the host's tissues, increasing the likelihood of successful infection. Additionally, the secretions may also play a role in protecting the eggs from the host's immune system.

Research and Studies

Research into Mehlis' gland and its secretions could potentially lead to new treatments for trematode infections. By understanding the gland's role in egg production and parasitism, scientists may be able to develop drugs that target this organ and disrupt the life cycle of these parasites.

See Also

• Trematodes
• Parasitism
• Reproductive system