paramedian
/ˌpærəˈmɛdiən, -ˌdemɪən/Definitions
1. adjective
relating to or situated near the middle of a part, especially a median line
“The paramedian muscles play a key role in the respiratory system.”
2. noun
a muscle that arises from the paramedian line of the abdominal muscles
“The paramedian muscles are responsible for the movement of the diaphragm.”