血管

• The descending vasa recta run in bundles into the medulla .
  直血管降支呈束状进入髓质。
• The sunbeams send the blood running gaily through the veins .
  阳光驱动血液在血管里欢快地流动。
• There are innumerable variations in the arrangement of blood vessels .
  血管的排列有无数的变异。
• In his whiskied blood there was not a black drop .
  他那浸透威士忌酒的血管里没有一滴邪恶的血液。
• Vasodilators may step up the heart rate and cause headaches .
  血管扩张神经会加速心跳并引起头痛。
• None of the vessels and nerves of the hand is visible or palpable .
  手的血管和神经不能看到或摸到。
• Vasoconstriction and vasodilatation are separate mechanisms .
  血管的收缩和扩张分别具有不同的机理。
• The mechanism of this anomalous vascular response is unknown .
  此种不规则的血管反应的机制尚不清楚。
• He became so excited that he almost burst a blood vessel .
  他兴奋得几乎血管都要破裂了，他万分兴奋。
• Thrombosis occurs in the small vessels of the underlying tissue .
  位于其深部组织内的小血管发生栓塞。