one of a breed of long-horned beef cattle of the southwestern U.S., developed from cattle introduced into North America from Spain and valued for disease resistance, fecundity, and a historical association with the old West: now rare. Origin of Texas longhorn Expand. 1905-1910.
How does a mediport work? A port consists of a reservoir compartment (the portal) that has a silicone bubble for needle insertion (the septum), with an attached plastic tube (the catheter). The device is surgically inserted under the skin in the upper chest or in the arm and appears as a bump under the skin.
A ventricular assist device (VAD),also known as a heart pump,is a mechanical device that helps pump blood from the heart to the rest of your body. See an illustration of a VAD. A VAD can be implanted in the chest or worn outside the body. If it is implanted,surgery is done to place it in the chest area. The pump part of the VAD is placed in a small space in your upper abdomen. Batteries ...