Truncus
# Truncus

Truncus may refer to:

## Anatomy

* Persistent truncus arteriosus, a rare congenital heart disease
* Truncus arteriosus (embryology), part of an embryo's developing circulatory system
* A pulmonary artery (truncus pulmonalis)
* Lumbosacral trunk (truncus lumbosacralis)
* Costocervical trunk (truncus costocervicalis)
* Sympathetic trunk (truncus Sympaticus)
* Celiac artery (truncus coeliacus)
* Brachiocephalic artery (truncus brachiocephalicus)
* Trunk (anatomy) (truncus)

## Other

* Truncus (mathematics), a particular algebraic curve
