What is a plexus?

Answer 1

Your solar plexus is the muscle that, when you get punched there, *knocks the wind* out of you. Hope this helps.

Answer 2

In relationship to neurology, a plexus is where the processes of neurons join together to form a "nerve net". In vertebrates nerves branch and rejoin in some parts of the body, for example the brachial plexus made up of the spinal nerves which enter the arm and the solar plexus above the stomach. Almost a hundred such plexuses have been named in the human body, but the four primary nerve plexuses are the cervical plexus, brachial plexus, lumbar plexus, and the sacral plexus. The link below will take you to Gray's Anatomy Online and let you read more and view pictures.

Answer 3

! In medicine, a network or tangle of limphatic vessels nerves or veins for example the brachial plexus is a network of nerves, leading to the arm. Plexus cames for the latin plectere means TO BRAID.