Growth in fetuses of the constrictor pharyngis superior with special reference to its meeting with the buccinator: an embryological basis of adult variations in palatopharyngeal anatomy.
Zhe-Wu JinJi Hyun KimMasahito YamamotoYukio KatoriHiroshi AbeGen MurakamiShin-Ichi AbePublished in: Surgical and radiologic anatomy : SRA (2022)
The excess anterior growth of the CPS with its subsequent degeneration might cause individual anatomical variations in composite muscle bundles of the palatopharyngeus-CPS complex or palatopharyngeal sphincter. A tensile transduction from the BC to the CPS through the raphe seemed unnecessary for cooperative suckling and swallowing after birth.