Thoracic Cavity Anatomy

The heart lies between the two lungs and is enclosed within a fibrous bag the pericardium while each lung is invested by a serous membrane the pleura. The thoracic cavity the heart and lungs are situated in the thorax the walls of which afford them protection.

Opening The Thoracic Cavity

Coelom the cavity or cavities formed during development that eventually become the thoracic and abdominal cavities.

Thoracic cavity anatomy. Structures of the respiratory system including the diaphragm trachea bronchi and lungs. Thoracic cavity also called chest cavity the second largest hollow space of the body. It is enclosed by the ribs the vertebral column and the sternum or breastbone and is separated from the abdominal cavity the bodys largest hollow space by a muscular and membranous partition the diaphragm.

The pink lobed thymus is located between the. Main lymphatic duct conveys blood to all lymph of lower limbs pelvic cavity abdominal cavity left thorax left arm and left side of head and neck thoracic duct crosses midline behind esophagus runs along left edge of esophagus enters root of neck turns inferiorly to cross the subclavian artery and enters the left brachiocephalic vein. Contains the spinal cord which is an extension of the brain ventral cavity.

Divided by the diaphragm into the thoracic cavity and abdominopelvic cavity thoracic cavity. The skeleton of the thorax and the shape and boundaries of the cavity. Much of the focus when you explore the thoracic region is on the heart and lungs but the following organs also live in the thoracic cavity.

The thoracic wall actually encloses a cavity or space that is filled with various anatomical structures. Structures within the thoracic cavity include. Anatomy and physiology for dummies 3rd edition.

Structures of the cardiovascular system including the heart and great vessels. Anterior portion of the torso. Related biology terms abdominal cavity the cavity that lies posterior to the thoracic cavity and hold much of the digestive system.

Structures of the digestive system including the esophagus endocrine. Contains the trachea bronchi lungs esophagus. The diaphragm is a dome shaped muscle that divides the thorax from the abdomen.

Now that weve covered the boundaries lets add another layer of knowledge to the initial basic thorax definition.

What Is In The Thoracic Cavities Dummies