Conclusions Glomus jugulare tumor is a rare neoplasm arising from the paraganglion and it purses an aggressive ability and lower grade biologicalbehavior.
结论颈静脉球瘤是一种起源于副神经节的少见肿瘤，呈侵袭性生长，有低度恶性的生物学行为。
2
The causes of aggressivebehavior are very complex, involving social environmental causes, and biological and psychological ones.
攻击行为的发生原因是多方面的，既有外在的环境原因，又有内在的生物和心理原因。
3
Pathological aggressivebehavior is an aggressivebehavior on other people caused by mental disorders and mental diseases which result from mental, social and biological factors.