神经元介质学说：该学说认为自主(律)神经对外周器官的作用是通过化学介质(神经元介质)产生的，此介质是由兴奋的神经末梢释放的- hypoconid
- hypoconulid
- hypocorticalism
- hypocorticism
- hypocotyl
- Hypocreales
- hypocupremia
- hypocyclosis
- hypocythemia
- hypocytosis
- hypodactyly
- hypoderm
- Hypoderma
- hypodermatic
- hypodermatoclysis
- hypodermatomy
- hypodermiasis
- hypodermic
- hypodermis
- hypodermoclysis
- hypodermolithiasis
- hypodiaphragmatic
- hypodiploid
- hypodiploidy
- hypodipsia