|
|
| sym·pa·thet·ic nerv·ous sys·tem (plural sym·pa·thet·ic nerv·ous sys·tems) |
noun |
|
| Definition: |
| |
nerve cells involved in stress response: the part of the autonomic nervous system that is active during stress or danger and is involved in regulating pulse and blood pressure, dilating pupils, and changing muscle tone
|
|
Hotmail
Messenger
My MSN
MSN Directory
Dictionary
