Lamella Meaning in Bengali

What is the meaning of word Lamella in Bengali/Bangla ?

Meaning of Lamella in Bangla is : পট্ট

Defenition of word Lamella

Example

Tunas have numerous lamellae (gill membranes) and very thin lamellar walls, and are able to extract more oxygen from the water than any other fish.

Other Meaning of Lamella