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September 1967


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243 Charles St Boston 02114

Arch Otolaryngol. 1967;86(3):348. doi:10.1001/archotol.1967.00760050350019

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To the Editor.—I would like to make a comment on the paper in the Archives [85: 561-571 (May) 1967] by Kawamoto and Altmann, entitled "The Atypical Epithelial Formations of the Utricle."

These structures, occurring in the walls of the utricle, can be divided into two groups: (1) those which form various configurations of epithelial ridges or mounds with no trace of a sensory neuroepithelium or innervation as the other vestibular end-organs and (2) those which have a true vestibular neurosensory epithelium and innervation. The former may be some what variable in their appearance and occurrence while the latter, in the species in which they occur, are as constant in location and appearance as any other vestibular end-organ.

In mammals, there is only one structure which falls into the latter category—the crista neglecta. As mentioned, this end-organ occurs in certain species only. Moreover, it fulfills a very strict definition. It has

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