Tunica vaginalis, 408 Turner syndrome, 162 , 218 , 337 , 344 Turpentine, 337 Two-thumb–encircling (Thayer) technique, 66 Tympanic membrane (TM), 389 , 391 f, 1112 Tympanitic abdominal distension, 87 Tympanometry, 225 Tyrosine catabolic intermediate fumarylacetoacetate, 337 Tyrosinemia, 337 Tzanck smear test, 450 , 501 , 1343 U Ulcer disease, 727 Ulceroglandular tularemia, 253 , 721 Ulna fractures, 1194 –1196 Ulnar collateral ligament (UCL), 1148 Ultrasound, 1e –19e administrative aspects of, 1e –2e basic controls in, 2e –3e in bladder catheterization, 16e –17e in central venous cannulation, 14e –17e diagnostic applications of, 3e –9e equipment considerations, 1e –2e evaluation of joints by, 19e genitourinary, 9e –14e appendicitis, 13e bladder ultrasound, 12e first trimester ultrasound, 9e –10e hypertrophic pyloric stenosis, 12e intussusception, 13e kidney ultrasound, 10e –12e pediatric abdomen, 12e lumbar puncture guidance, 16e –17e for nerve blocks, 19e overview of, 1e for paracentesis, 19e for pericardiocentesis, 19e