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# Other hand veins

The other hand veins are the venous arches of the palm and the finger veins; they drain the fingers and palm.

Official name: Palmar venous arches and digital veins

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## What it is

Small veins of the palm and fingers.

## What it does

Drain the fingers and palm.

## Key points

- Superficial and deep palmar venous arches run with the arterial arches and drain into the radial and ulnar veins
- Intercapitular veins pass between the metacarpal heads and link palmar and dorsal veins; gripping squeezes blood from the palm to the back of the hand
- The fingers drain mainly through dorsal veins, which are larger than the palmar ones

## Key facts

**Drains**
Palmar digital veins and the palmar venous arches

**Into**
Radial and ulnar veins; dorsal network

## Relations

**Course**
Palmar digital veins drain into the superficial palmar venous plexus and arch; companion veins of the [deep palmar arch](https://durgical.com/en/anatomy/deep-palmar-arch/) join the [deep forearm veins](https://durgical.com/en/anatomy/radial-and-ulnar-veins/)

## How to find it

The palmar veins are small and hidden under the [palmar aponeurosis](https://durgical.com/en/anatomy/palmar-aponeurosis/); the intercapitular veins can be traced in the web spaces between the knuckles, where they join the dorsal network.

## On imaging

Doppler ultrasound shows flow in the venous arches and companion veins when a thrombosis or a vascular malformation of the hand is suspected; MRI defines malformations in depth.

## Clinical notes

- Finger replantation repairs dorsal veins for outflow; when no vein can be repaired, venous congestion may be relieved with medicinal leeches
- Palm wounds can bleed from both the arterial and the venous arches
- Most venous and lymphatic outflow of the palm passes to the back of the hand, so an infection in the palm often shows mainly as swelling on the dorsum

## Test yourself

Think of the answer, then tap the question to see it.

## What do the intercapitular veins of the hand connect?

Palmar and dorsal veins, passing between the metacarpal heads; gripping squeezes blood from the palm to the back of the hand.

## Which veins mainly drain the fingers?

The dorsal veins, which are larger than the palmar ones.

## In finger replantation, which veins are repaired for outflow?

Dorsal veins; when none can be repaired, venous congestion may be relieved with medicinal leeches.

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Educational information, not medical advice. For any symptom, see a health professional.

## Its names

**Official Latin (TA2)**
arcus venosus palmaris superficialis TA2 4986

**Official Spanish (DeCS)**
Arcos venosos palmares y venas digitales

**English (TA2)**
Palmar venous arches and digital veins

Sources: Terminologia Anatomica (TA2); [Anatomy, Shoulder and Upper Limb, Veins](https://www.ncbi.nlm.nih.gov/books/NBK546676/); [20.5 Circulatory Pathways](https://openstax.org/books/anatomy-and-physiology-2e/pages/20-5-circulatory-pathways) (OpenStax (Rice University), 2022) · adapted, [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/).

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Representative model, for educational purposes only.

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Source: https://durgical.com/en/anatomy/palmar-venous-arches-and-digital-veins/
License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Cite as: DurgiPedia (durgical.com), https://durgical.com/en/anatomy/palmar-venous-arches-and-digital-veins/