To the Editor.—Thank you for the opportunity of previewing the manuscript entitled "The Osteocytes of the Human Labyrinthine Capsule" by Kakizaki et al. The development of histochemical techniques and the adaptation of electron microscopy in recent years have opened up new possibilities for the study of the normal metabolism and disease of the otic capsule.
The studies reported from the group working at Columbia University on the labyrinthine capsule and inner ear disorders in recent years are a tribute to the informed and skilled direction of Dr. Altmann.
The earlier conception of the state and metabolic activity of the deeper layers of the otic capsule has been undergoing revision.
The opinion of early observers obtained from conventional decalcified sections stained with hematoxylin-eosin had been that the enchondral layer of the capsule was inactive because of the numbers of lacunae devoid of osteocytes; the cartilaginous rests in interglobular spaces represented
LINDSAY JR. OSTEOCYTES. Arch Otolaryngol. 1971;94(2):183. doi:10.1001/archotol.1971.00770070419020
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