Trunk
Trunk (anatomy)
The Trunk (pronounced: truhngk) is a term used in anatomy to refer to the central part of the body, excluding the head, neck, and limbs. It is also known as the torso.
Etymology
The term "trunk" originates from the Old French word "tronc", which means "trunk of a tree, trunk of the human body, stump".
Anatomy of the Trunk
The trunk can be divided into two main parts: the thorax (chest) and the abdomen. The thorax is enclosed by the rib cage and the abdomen by the pelvic girdle. The trunk houses many of the body's vital organs, including the heart, lungs, liver, stomach, and kidneys.
Thorax
The thorax is the upper part of the trunk, located between the neck and the abdomen. It is enclosed by the rib cage and contains the heart and lungs.
Abdomen
The abdomen is the lower part of the trunk, located between the thorax and the pelvic girdle. It contains organs of the digestive system, urinary system, and reproductive system.
Related Terms
- Chest: The front part of the trunk between the neck and the abdomen.
- Back (anatomy): The rear part of the trunk.
- Pelvis: The lower part of the trunk, between the abdomen and the legs.
- Abdominal cavity: The space within the abdomen that contains the digestive organs.
- Thoracic cavity: The space within the thorax that contains the heart and lungs.
External links
- Medical encyclopedia article on Trunk
- Wikipedia's article - Trunk
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