Do accessory tendon slip arising from the extensor carpi ulnaris and its importance for wrist pain?
This anatomic variation of the ECU should be considered in diagnostic and surgical procedures involving the dorsum of the hand. Its clinical importance in the treatment of tenosynovitis and subluxation of joints is also stressed.
Very weak postmating reproductive barriers were observed between our study species and may explain the frequent occurrence of first-generation hybrids in mixed Dactylorhiza populations. Germination failure, which is regarded as one of the most important bottlenecks in the orchid life cycle, was not important for reproductive isolation.