palmar arch


Also found in: Dictionary, Thesaurus, Medical, Legal, Financial.
Related to palmar arch: radial nerve, median nerve

palmar arch

[′päm·ər ′ärch]
References in periodicals archive ?
The superficial palmar arch (SPA) is the primary vascular structure supplying the palm.
It coursed superficially under the skin and terminated in the superficial palmar arch [15].
In the lower third of the forearm SUA turned medially towards the ulnar aspect of forearm & crossed the flexor retinaculum superficially to continue as superficial palmar arch in hand (Figure 3).
For this reason, all patients who undergo this procedure should be tested to ensure a patent palmar arch and ulnar artery.
It may be due to abnormal continuity of the peripheral arterial system of the digits with the palmar arch or occlusive artery disease in the forearm.
Some authors suggest that apart from its ethnic variations, its absence is more common in women, bilateral absence is more common, and that unilateral absence occurs more frequently on the left side (Schaeffer, 1909) Others have attempted to correlate the absence of the palmaris longus muscle with other anatomical anomalies, like an anomalous superficial palmar arch, an absence of the plantaris, etc.
The macrovascular disease is often observed as palmar arch and ulnar artery disease.
In the Palm: The SUA has ended its course in the palm by formation of the superficial palmar arch which has been completed by the radial artery as usual.