thorax - the part of the human body between the neck and the diaphragm or the corresponding part in other vertebratescraniate, vertebrate - animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium body part - any part of an organism such as an organ or extremity breastbone, sternum - the flat bone that articulates with the clavicles and the first seven pairs of ribs thoracic aorta - a branch of the descending aorta; divides into the iliac arteries gallbladder - a muscular sac attached to the liver that secretes bile and stores it until needed for digestion area of cardiac dullness - a triangular area of the front of the chest (determined by percussion); corresponds to the part of the heart not covered by the lungs torso, trunk, body - the body excluding the head and neck and limbs; "they moved their arms and legs and bodies" chest cavity, thoracic cavity - the cavity in the vertebrate body enclosed by the ribs between the diaphragm and the neck and containing the lungs and heart breast - the front part of the trunk from the neck to the abdomen; "he beat his breast in anger" rib cage - the bony enclosing wall of the chest |