The sympathetic nervous system, which helps your heart and other vital organs function all the time, increases activity in response to danger or stress, preparing the body for extra demands. Stress is ...

Before delving into where autonomic ganglia are not found, it's essential to understand what they are and their function.

Yale researchers have determined how a key component of the nervous system develops at the embryonic stage. Their work, published June 11 in Cell Reports online, may ultimately offer new approaches to ...

The sympathetic nervous system (SNS) plays a crucial role in the regulation of cardiovascular function, mediating rapid adjustments in heart rate and arterial blood pressure during stress, physical ...

Dual innervation refers to an organ receiving nerve fibers from both the sympathetic and parasympathetic divisions of the ...

Imagine driving to work on a wintry morning. Your hands are cold on the wheel. Your favorite song is loud, and you sing along ...

THE lecturer commenced by giving a short sketch of Bichat's views of the division of life into organic and animal life, and pointed out how that division naturally led to the conception of two ...

The sympathetic nervous system was thought to have evolved with jawed vertebrates. But lampreys—jawless, parasitic fish that suck out the blood of their hosts—have a simple one, per recent research.

'In a low-risk group of babies born full-term, the autonomic nervous system and cortical systems appear to function well regardless of whether infants were exposed to labor prior to birth,' says Sarah ...

Late in pregnancy, the human body carefully prepares fetuses for the rigors of life outside the protection of the womb. Levels of cortisol, a stress hormone, ramp up and spike during labor.