mind...
The heart.
a brain surgeon is also called a Neuro Surgeon and brain surgery is neurosurgery
The other name for "brain box" is cranium. It is the part of the skull that encloses and protects the brain.
One name for a brain infection is encephalitis.
parathyroid
The technical name for a brain surgeon is a neurosurgeon - the medicine regarding the brain is called neurology.
It is called trephination.
The mushroom that resembles a brain is called the "Lion's Mane" mushroom.
The bone that holds your brain is called the skull, specifically the cranium. It is a protective structure that surrounds and supports the brain.
The other name for ackee in some countries is "vegetable brain" or "brain fruit" due to its appearance when peeled and cooked.
A three sided polygon is called a triangle; there is no other name for it.
What would be the point of having it otherwise? However, as you know, "that which we call a rose, by any other word would smell as sweet."