Answer:
A half filled circle
Explanation:
In pedigrees, females are always denoted with a circle, and males with a square. Affected individuals usually have coloured or filled symbols, whereas unaffected individuals have an empty symbol.
In the case of carriers, this is often denoted as a half filled symbol. I.e. the shape is filled on one side and not the other, split down the middle). Sometimes a carrier of an <em>X linked</em> condition is denoted as a half filled, but instead of left vs right, the circle is filled with a smaller circle in the middle.
The serotoninergic nuclei of the diffuse modulatory system have a role in pain an locomotion. Specifically, the Magnus raphe nucleus is a part of the motor system in the brain and has a role in mediating pain.
Together with the cerebellum, it has a role in regulating movement and its connection to the spinal cord enables it to inhibit pain.
The first part states that all organisms are made of cells.
