The mesentery is a fold of membrane that attaches the intestine to the abdominal wall and holds it in place. Mesenteric lymphadenitis is an inflammation of the lymph nodes in the mesentery.
If you're rhesus positive (RhD positive), it means that a protein (D antigen) is found on the surface of your red blood cells. If you do not have the D antigen, you will be rhesus negative (RhD negative). Most people are rhesus positive (NHS BT 2014) .f you're rhesus positive (RhD positive), it means that a protein (D antigen) is found on the surface of your red blood cells. If you do not have the D antigen, you will be rhesus negative (RhD negative). Most people are rhesus positive (NHS BT 2014) .
When an Rh negative mother is carrying an Rh positive baby, some of the Rh positive blood from the baby gets into the Rh negative blood of the mother. This Rh positive blood from the baby acts like a foreign substance to the mother.n pregnancy, Rh is especially important when an Rh negative woman carries an Rh positive child. Remember, when a woman is Rh negative, it means she does not have the Rh factor. In the normal course of pregnancy, small amounts of the baby's blood get into the mother's bloodstream.