What Does Oral Groove Mean?

An Oral Groove is basically a depression that leads to the mouth. It is mainly present in some invertebrate organs. The word is also used to refer to a multicellular structure or a functional unit of a plant or an animal which is composed of various tissues such as liver and the leaf.

The food is taken into the cell through an oral groove. Here the small particles of food are phagocytosed and broken down into food vacuoles.