Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 7 of 7 for Christmas
  1. ... classic hemophilia, or factor VIII deficiency) Hemophilia B (Christmas disease, or factor IX deficiency)
  2. Hemophilia B is a hereditary bleeding disorder caused by a lack of blood clotting factor IX. Without enough factor IX, the blood cannot ...
  3. The Jerusalem cherry is a plant that belongs to the same family as the black nightshade . It has small, round, red and orange fruit. ...
  4. Poinsettia plants, commonly used during the holidays, are not poisonous. In most cases, eating this plant does not result in a trip ...
  5. The factor IX assay is a blood test that measures the activity of factor IX. This is one of the proteins in the body that helps the ...
  6. ... lines in the skin or appear in a "Christmas tree" pattern May itch Other symptoms may include: ...
  7. ... This pattern of hair loss is known as Christmas tree pattern. The front hairline remains unaffected except ...