Goblet Cell Population in the Normal Middle Ear and Eustachian Tube of Children and Adults

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Abstract
On 54 temporal bones from entirely normal prematures and newborn infants, children, and adults, 30,000 to 90,000 counts of goblet cells were done in different parts of the Eustachian tube and middle ear. In the Eustachian tube, normal prematures showed a very low density of goblet cells in all localities, increasing in the pharyngeal parts gradually through childhood and reaching in the normal adult a very high density in the pharyngeal orifice. There are no differences in density between the medial and lateral wall, but in some parts a decrease of density towards the tubal roof. In the middle ear the density is low in normal prematures, increasing slightly in infants, and decreasing again during the age range 7–14 years and in adults. Goblet cells are present in all middle-ear localities, but in markedly decreasing density in this sequence: hypotympanum anteriorly, posteriorly, promontory anteriorly, in the middle, epitympanum, niche of oval window, antrum, niche of round window, mastoid process, incus, and promontory posteriorly.

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