Basicmedical Key

  Head (including uncinate), neck, body, and tail   Uncinate process – rests on aorta, behind SMV   SMV and SMA – lay behind neck of pancreas   Portal vein – forms behind the…

  Hepatic artery variants •  Right hepatic artery off superior mesenteric artery (#1 hepatic artery variant; 20%) courses behind pancreas, posterolateral to the common bile duct •  Left hepatic artery off left gastric…

  Stomach transit time 3–4 hours   Peristalsis – occurs only in distal stomach (antrum)   Gastroduodenal pain sensed through afferent sympathetic fibers T5–10   Blood supply •  Celiac trunk – left gastric, common hepatic…

  Mucosa (squamous epithelium), submucosa, and muscularis propria (longitudinal muscle layer); no serosa   Upper ⅓ esophagus – striated muscle   Middle ⅓ and lower ⅓ esophagus – smooth muscle   Vessels directly off…

  MAP = CO × SVR, CI = CO/BSA   Kidney gets 25% of CO, brain gets 15%, heart gets 5%   Preload – left ventricular end-diastolic length, linearly related to left ventricular…

  Anterior neck triangle – sternocleidomastoid muscle (SCM), sternal notch, inferior border of the digastric muscle; contains the carotid sheath   Posterior neck triangle – posterior border of the SCM, trapezius muscle,…

  Breast development •  Breast formed from ectoderm milk streak •  Estrogen – duct development (double layer of columnar cells) •  Progesterone – lobular development •  Prolactin – synergizes estrogen and progesterone   Cyclic changes •  Estrogen…