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.
X-ray of surgical staples. Surgical staples are specialized staples used in surgery in place of sutures to close skin wounds, connect or remove parts of the bowels or lungs. A more recent development, from the 1990s, uses clips instead of staples for some applications; this does not require the staple to penetrate.