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.
Implantable Port. 1  Check patient's chart for a PowerPort* device patient record sticker. 2  Palpate top of port to identify three palpation points (bumps) on the septum, arranged in a triangle. 3  Palpate the sides of the port to identify triangular port housing. 4  Ask the patient. 5  Always verify the patient has a PowerPort* device by at least two means, ...