Sphenomandibular ligament and degenerating Meckel's cartilage revisited: Sequential variations with temporal bone deformity for ligament attachment in near‐term human fetuses
Zhe‐Wu Jin,
Yohei Honkura,
Masahito Yamamoto
et al.
Abstract:BackgroundThe sphenomandibular ligament (SML) is considered to originate from Meckel's cartilage (MC). However, no study has examined how the os goniale contributes to SML development.MethodsSemiserial histological sections of heads from 18 near‐term fetuses at 27–40 weeks of gestation were examined.ObservationsThe os goniale and the anterior process of the malleus (AP) provided a long, bar‐like membranous bone complex that passed through the petrotympanic and tympanosquamosal fissures. Notably, the AP–goniale… Show more
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