Medial Dorsal Cutaneous Branch of Ninth Posterior Intercostal Artery (Right)
Ramus cutaneus dorsalis medialis arteriae intercostalis posterioris nonae
Read moreQuick Facts
Origin: Dorsal branches of posterior intercostal arteries.
Course: Posteriorly, following the medial branches of the posterior rami of the corresponding thoracic nerves.
Branches: None.
Supplied Structures: Posteromedial aspect of the thorax.
Related parts of the anatomy
Origin
The lateral and medial dorsal cutaneous branches arise from the dorsal branches of the posterior intercostal arteries.
Course
The medial dorsal cutaneous branches follow the medial branches of the posterior rami of the corresponding thoracic nerves. They travel posteriorly, crossing the transverse processes of the adjacent vertebrae. They pass behind the longissimus and spinalis muscles, piercing the latissimus dorsi muscle to become superficial.
Branches
There are no name branches.
Supplied Structures
Along their course, the medial dorsal cutaneous branches of the = posterior intercostal arteries supply the longissimus thoracis and spinalis muscles, as well as the skin adjacent to the vertebral column.
