Menactra Vaccine Immunogenicity. Helps protect against 4 vaccineâpreventable serogroups1,2. Immunogenicity proven in clinical trials â confirmed in everyday use1. The immune responses to Menactra and Menomune-A/C/Y/W-135 vaccines were comparable for all 4 serogroups1,6.
The mediastinum is the middle section of the chest cavity. The chest cavity contains the left and right lungs, which lie on either side of the heart. The heart is contained in the portion of the chest known as the mediastinum.
(thoracic cavity is a part of ...) the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus mediastinum (... is part of thoracic cavity) the part of the human torso between the neck and the diaphragm or the corresponding part in other vertebrates