Perforating branches of internal thoracic artery

perforating branches of internal thoracic artery
Details
Source	internal thoracic artery
Identifiers
Latin	rami perforantes arteria thoracicae internae
TA	A12.2.08.036
FMA	71519
*Anatomical terminology* [edit on Wikidata]

The perforating branches of the internal thoracic artery pierce through the internal intercostal muscles of the superior six intercostal spaces. These small arteries run with the anterior cutaneous branches of the intercostal nerves.

The perforating arteries constitute part of the blood supply to the pectoralis major and the overlying tissue and skin. The second, third and fourth perforating branches give off medial mammary branches, which become enlarged during lactation.

References

Chung, Kyung Wong, Ph.D. Board Review Series: Gross Anatomy, 3rd ed. 114-115. Williams and Wilkins: 1995.

Lockhart, R.D., et al. "Anatomy of the Human Body." Faber and Faber. 1972.

Arteries of the torso and chest

Lungs

Pulmonary artery
- Right
- Left (Ligamentum arteriosum)

Heart

Left coronary:
- Anterior interventricular
- Left circumflex (Left marginal)

Aorta

Sections

Aortic arch

Brachiocephalic	Thyreoidea ima Right subclavian Right common carotid

Left common carotid	External carotid Internal carotid Carotid body Carotid sinus Carotid bifurcation

Left subclavian	Internal thoracic: Anterior intercostal Thymic Pericardiacophrenic Perforating branches terminal (Musculophrenic, superior epigastric) Costocervical trunk: Highest intercostal (Posterior intercostal 1–2) Deep cervical

Descending
aorta

parietal: Posterior intercostal 3 * 11
Subcostal
Superior phrenic

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