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.
Commonly called a port, the term porta-cath is a combination of the words âportalâ and âcatheterâ. The âportâ, or portal, is a small reservoir, about as big as a thimble, with a silicone septum that can be pierced with a needle.o use the port, the chemotherapy nurse feels the port between her/his fingers, disinfects the skin and inserts a special needle, called a Huber, through the skin and the silicone septum into the reservoir.