Final answer:
A primordial cyst arises from remnants of the dental lamina or the enamel organ, specifically related to the third molar area, and is considered a type of odontogenic cyst.
Step-by-step explanation:
The primordial cyst is derived from remnants of the dental lamina or the enamel organ. In embryology, the dental lamina is an ectodermal structure that involves in initiating the formation of the teeth. Specifically, the primordial cyst arises in place of the tooth, commonly where the third molar or wisdom tooth would develop, and results from the growth of remnants of the dental lamina that were not used in tooth development. These cysts can occur in areas where no teeth are present and are considered types of odontogenic cysts, meaning they originate from tissues involved in tooth development.
The development of a primordial cyst can be connected to the embryonic stem cells and germ layers discussed in biology courses, as the ectoderm is one of the primary germ layers responsible for the development of oral tissues, including the dental lamina from which these cysts arise.