Three points to remember: 1  Ghrelin is a fast-acting hormone that plays a vital role in meal initiation and contributes to weight gain.  Leptin mediates long-term regulation of energy balance and suppresses food intake, thereby inducing weight loss.
NORTH AMERICA. HarmonyAIRÂ®. Surgical Booms. HarmonyAIR Surgical Booms â also known as equipment columns and supply heads â have a sleek and compact design, allowing the nurse line of sight to the sterile field and the surgeon unrestricted access to the patient.
Definition of boom. 1  1 : a long spar used to extend the foot of a sail. 2  2a : a chain or line of connected floating timbers extended across a river, lake, or harbor (as to obstruct passage or catch floating objects)b : a temporary floating barrier used to contain an oil spill.