From the first gill arch cartilage forms square (dorsally) and the
mandibular cartilage (ventrally), constituting the rudiments of upper and lower jaw.
Coracohioideus (CH): is a paired muscle located in medial position, originated in a membrane located on the first interbranchial septum, and runs anteriorly until inserting in the hypobranchial 1, on a thick membrane just below the caudal edge of
mandibular cartilage.
In the control group, significant MMP2 expression was observed in the dental follicle, dental lamina, odontoblasts and enamel epithelium as well as in the
Mandibular cartilage (Fig.
quadratomandibularis is located in the last third of both the palatoquadrate and the
mandibular cartilage and jointly with the m.
The basihyoidean, together with the palatoquadrate and
mandibular cartilages, constitutes the mandibular arch.