• 蛇毒进化史新模型

    14-12-09 Technology that can map out the genes at work in a snake or lizard's mouth has, in many cases, changed the way scientists define an animal as venomous. If oral glands show expression of some of the 20 gene families associated with venom toxins, that...

  • Prostate Information

    14-12-04 The prostate is a gland, weighing 25 gram, below the bladder. Because it is situated around the urethra (bladder pipe), enlargement causes obstruction in urethra. Enlargement occurs naturally with age, and might be accompanied by cancerous change. S...

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