Interstate medical journal . yroglossal duct which becomes obliterated except at the baseof the tongue, where its site is marked by the foramen lower part of the pedicle produces thyroid tissue (Fig. 1). Fig. 1.—(After Keibel and Mall.) D. th. gl., ductus thyreoglossus; Ep., epithelialbodies of third and fourth pouches; ub. k., ultimo-branchial body. Thyroid cells may become dislodged and remain along the duct,giving rise to the median aberrant thyroids, designated superioror inferior according to the location above or below the hyoid aberrant thyroids have been extensiv
Interstate medical journal . yroglossal duct which becomes obliterated except at the baseof the tongue, where its site is marked by the foramen lower part of the pedicle produces thyroid tissue (Fig. 1). Fig. 1.—(After Keibel and Mall.) D. th. gl., ductus thyreoglossus; Ep., epithelialbodies of third and fourth pouches; ub. k., ultimo-branchial body. Thyroid cells may become dislodged and remain along the duct,giving rise to the median aberrant thyroids, designated superioror inferior according to the location above or below the hyoid aberrant thyroids have been extensively considered byStorrs, (Annals of Surgery, Sept., 1904), and Murphy, (loc. cit.). When the thyroglossal duct remains patent anywhere along itscourse it gives rise to formation of cysts which bear close resem-blance to dermoids, for which condition they are often mistaken. Streckeisen, (Virch. Arch., CIII, 1886), and Erdheim, ( z. Path. Anat. mid Allag. Path., XXXV, 1904), have dis-cussed these cysts in
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