Brown adipose tissue is present in small mammals (e.g., mice) and in newborn humans. Most of it disappears in adult humans. The cells in both types of fat are called adipocytes although they differ in origin, structure, and function in the two types of tissue.
On the left hand, index finger. It's not the index finger you wear it on. Left hand, ring finger. The finger that you would wear a wedding ring on.
Modern Jewish couples often place the wedding ring on the right handâs ring finger during the marriage ceremony and then wear it on the left handâs ring finger post-ceremony. However, according to the old tradition (and also used today in more conservative Jewish ceremonies), the index finger or the thumb are used.