Arteries to the Thoracic and Abdominal Walls

Blood reaches the thoracic wall through several vessels. These include branches from the subclavian artery and the thoracic aorta (fig. 15.50).

The subclavian artery contributes to this supply through a branch called the internal thoracic artery.

Superficial temporal a.

Superficial temporal a.

Carotid sinus

Where The Temporal Artery

Anterior choroid a.

Maxillary a.

Lingual a.

Superior thyroid a. Common carotid a.

Brachiocephalic a.

Internal carotid a

External carotid a

Vertebral a.

Thyrocervical axis

Subclavian a.

Figure 15.46

The main arteries of the head and neck. (Note that the clavicle has been removed.)

Internal carotid a

External carotid a

Carotid sinus

Vertebral a.

Thyrocervical axis

Subclavian a.

Anterior choroid a.

Maxillary a.

Lingual a.

Superior thyroid a. Common carotid a.

Brachiocephalic a.

Figure 15.46

The main arteries of the head and neck. (Note that the clavicle has been removed.)

This vessel originates in the base of the neck and passes downward on the pleura and behind the cartilages of the upper six ribs. It gives off two anterior intercostal arteries to each of the upper six intercostal spaces; these two arteries supply the intercostal muscles, other intercostal tissues, and the mammary glands.

The posterior intercostal arteries arise from the thoracic aorta and enter the intercostal spaces between the third through the eleventh ribs. These arteries give off branches that supply the intercostal muscles, the vertebrae, the spinal cord, and deep muscles of the back.

Branches of the internal thoracic and external iliac arteries provide blood to the anterior abdominal wall. Paired vessels originating from the abdominal aorta, in cluding the phrenic and lumbar arteries, supply blood to structures in the posterior and lateral abdominal wall.

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Responses

  • Kimmo
    What blood vessels humans have on the thoracic wall?
    5 years ago

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