cord

They are crucial for understanding the brain and spinal cord of tetrapods -- animals with four limbs, including humans.

It was like the election results pulled the rip cord and people responded by letting go of their budgets.

For the condition, Chiari type-1 malformation, the diagnosis is straightforward: the lower part of the brain, known as the cerebellum, protrudes at least five millimeters through the gap in the skull that connects to the spinal cord.

The most common problems include chronic headaches, difficulty swallowing and decreased muscle strength, as well as syringomyelia, a condition that occurs when a cyst forms in the spinal cord.

The genetic condition can cause serious medical complications such as spinal cord compression, sleep apnoea, bowed legs, narrowing of the spinal canal and recurrent ear infections.