Seroma is known as the accumulation of serum in specific body parts after a person undergoes surgery. The serum can be defined as the clear or yellowish fluid found inside the seroma; it is made up of plasma as well as other cells that come from various blood vessels which become damaged while the surgery is ongoing.It is characterized as a small/ big lump depending on the amount of fluid encased in it.he serum can be defined as the clear or yellowish fluid found inside the seroma; it is made up of plasma as well as other cells that come from various blood vessels which become damaged while the surgery is ongoing. It is characterized as a small/ big lump depending on the amount of fluid encased in it.
To know whether a chair fits, here are a few rules to sit by: 1  Feet should reach the floor. 2  Five chair legs are better than four for added stability. 3  Hips should be the same level or higher than the knees.  Forearms ought to rest easily on the arm 1  rests. Sit completely against the back of the chair. [ source: UCLA Ergonomics]
Your baby will start to learn to sit at about the same time as she's managing to roll over and hold her head up. The muscles she needs to use develop gradually from birth, and she finally becomes strong enough to sit between four months and seven months.