Meda

Meda: One of the seven bodily constituents, mainly fat and metabolism of fat, carbohydrates, and hormones.
Medhya: That which is especially nourishing and supportive to the mind and brain.

The sapta dhatus are Ras (fluids), Rakta (blood), Mansa (muscle tissues), Meda (adipose tissues), Asthi (bones), Majja (bone marrow) and Shukra (generative tissues).

See also: Power, Bandha, Asthi, Sadhak, Dhatu