What is sti that starts with a chancre?

Which is the fluid medium in blood? What does ventral to the spinal cord means? What structure carries lymph into a lymph node? How do you convert direct stress to shear stress? Diagram of how heart functions? Why do woman bruise easier than men? Did Pat Stacy Die Of Lung Cancer In 1995? What does a diffusely heterogeneous thyroid mean? Is Down syndrome found on a dominant allele? Is there a sack or bag around the heart? Was Kaposi's sarcoma once rare? Which area is responsible for detailed color vision? What is the order of development of a fertilized egg in a pregnant woman womb? Why does he keep twitching in his sleep? Can implantation bleeding be almost as heavy as a normal period? Which condition is a contraindication to therapeutic hypothermia during post cardiac arrest period? If you think you have a sprain or strain you should be able to recognize the signs. Which of the following is a sign of a sprain? What happens when you drink alcohol and take metformin? Why is hemoglobin not made in the skin cell? What causes a cyst on the head?