Narcissists believe their personality and appearance is superior to others. Symptoms of narcissism include focusing only on one's self, lacking guilt and an inability to empathize. Narcissistic people tend to be vain. A marriage being undermined by narcissism might benefit from therapy.
Trocar: A sharply pointed shaft, usually with a three-sided point. A trocar may be used within a cannula, a hollow tube, designed to be inserted into a vein, artery, bone marrow or body cavity. The word trocar is derived from the French trois (three) + carre (side). Last Editorial Review: 6/9/2016.
What is a Transrectal Ultrasound (TRUS)? A transrectal ultrasound (TRUS) is a procedure which utilizes sound waves to create an image of the prostate gland and the surrounding tissue. Generally the procedure requires the insertion of an ultrasound probe into the patientâs rectum.