MS-1770
A newlywed couple attend a foetal ultrasound scan to monitor the growth of their unborn child. During the scan, which embryonic structure arises from the endodermal surface of the neck region between the pharyngeal arches?
A newlywed couple attend a foetal ultrasound scan to monitor the growth of their unborn child. During the scan, which embryonic structure arises from the endodermal surface of the neck region between the pharyngeal arches?