Here are some examples of how "pertaining to the same side" might be used in biology:
* Ipsilateral reflexes: A reflex where the stimulus and response occur on the same side of the body. For example, if you touch a hot stove with your right hand, you might withdraw your right hand in response.
* Ipsilateral pathways: Nerve pathways that travel along the same side of the body. For example, some sensory information from the right side of the body travels to the right side of the brain.
* Ipsilateral muscles: Muscles that act on the same side of the body. For example, the biceps brachii and triceps brachii muscles both act on the same side of the arm.
It's important to note that "pertaining to the same side" can also refer to other things in biology, depending on the context. For example, it might refer to two structures that are located on the same side of an organ or tissue.
If you have a specific example in mind, please provide more context and I can give you a more precise explanation.