Encyclopedia entry

Costocervical Trunk Arteries

Version 1

Abstract

The trunk commonly arises from the third part of the subclavian. This artery is inconstant (absent in 30-40%) of individuals and may arise from other parts of the subclavian. The usual branches are: superior (supreme) intercostal and the deep cervical. It is found on the right side in 75% of cases and occurs on the left in only 30% of humans. It is absent in 8-10% of cases, and thus its main branches may arise independently, most frequently from the second part of the subclavian.

The trunk commonly arises from the third part of the subclavian.

This artery is inconstant (absent in 30-40%) of individuals and may arise from other parts of the subclavian.

The usual branches are: superior (supreme) intercostal and the deep cervical.

It is found on the right side in 75% of cases and occurs on the left in only 30% of humans.

It is absent in 8-10% of cases, and thus its main branches may arise independently, most frequently from the second part of the subclavian.

The costocervical trunk may give rise to a lateral internal thoracic artery, which lies about midway between the sternum and vertebral bodies or the mid-axillary line.

The dorsal scapular artery may be an additional branch when it arises from the third part of the subclavian (34% of individuals).

The supreme intercostal, arteria supracostalis, and deep cervical artery may also arise from the costocervical trunk.

Image of costrocervical trunk

Supracostalis

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Image of arteria supracostalis

Supracostalis

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Image of costocervical trunk

Supracostalis

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See Image 257

Riferimenti dell’opera originale

Elenco riportato come compare nella fonte, senza normalizzazione dei formati bibliografici.

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Anatomical classification

Systems:
Cardiovascular system

Content provenance

Adaptation

Adaptation of «Costocervical Trunk Arteries — Illustrated Encyclopedia of Human Anatomic Variation: Opus I: Muscular System» by Ronald A. Bergman, Adel K. Afifi, Ryosuke Miyauchi. Source: https://www.anatomyatlases.org/AnatomicVariants/Cardiovascular/Text/Arteries/CostocervicalTrunk.shtml Original work distributed under the CC BY-NC-SA 4.0 licence (https://creativecommons.org/licenses/by-nc-sa/4.0/deed.it). Adaptation by Redazione AIVA. Changes from the original: Testo originale inglese riprodotto integralmente e riorganizzato nel formato scheda del portale (sintesi, testo, riferimenti), senza modificarne le affermazioni. La traduzione italiana non è ancora stata eseguita, e la pagina lo dichiara. Le figure non sono state copiate: sono collegate alla pagina d’origine. This publication is not approved or endorsed by the authors of the original work.

Licence

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