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Musculophrenic artery
From Wikipedia, the free encyclopedia
| Artery: Musculophrenic artery | |
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| (Musculophrenic artery labeled at center left.) | |
| Latin | arteria musculophrenica |
| Gray's | subject #148 584 |
| Source | Internal mammary artery |
| Branches | Lower Pericardium, Diaphragm, and Abdominal muscles |
| Dorlands/Elsevier | a_61/12155159 |
The Musculophrenic Artery arises from the internal thoracic artery, directed obliquely downward and lateralward, behind the cartilages of the false ribs; it perforates the diaphragm at the eighth or ninth costal cartilage, and ends, considerably reduced in size, opposite the last intercostal space.
It gives off intercostal branches to the seventh, eighth, and ninth intercostal spaces; these diminish in size as the spaces decrease in length, and are distributed in a manner precisely similar to the intercostal arteries from the internal thoracic artery.
The musculophrenic also gives branches to the lower part of the pericardium, and others which run backward to the diaphragm, and downward to the abdominal muscles.
- musculophrenic+artery at eMedicine Dictionary
- SUNY Labs 18:07-0102 - "Thoracic wall: Branches of the Internal Thoracic Artery"
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
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| Pulmonary / coronary |
right coronary: SA nodal - AV nodal - atrial - right marginal - posterior interventricular left coronary: anterior interventricular - left circumflex - left marginal |
| Ascending aorta | aortic arch - brachiocephalic (thyreoidea ima) - common carotid |
| Subclavian | internal thoracic: anterior intercostal - thymic - pericardiacophrenic - terminal (musculophrenic, superior epigastric) costocervical trunk: highest intercostal (posterior intercostal 1-2) - deep cervical |
| Descending / thoracic aorta |
visceral: bronchial - esophageal - mediastinal parietal: posterior intercostal 3-11 - subcostal - superior phrenic |