Morphological polarizations of sensory hair cells in the three otolithic organs of a teleost fish

Fluorescent imaging of ciliary bundles

Zhongmin Lu, Arthur N. Popper

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

It has been suggested that the morphological polarity of sensory hair cells in the otolithic organs plays important roles in directional hearing in fish. In this study, we examined the hair cell polarization patterns in the saccule, utricle, and lagena of a teleost fish, the sleeper goby (Dormitator latifrons). In contrast to using traditional scanning electron microscopy, we employed a simple and rapid method that enabled us to map the hair cell polarization patterns using immunocytochemical and confocal imaging techniques. The hair cells in the caudal part of the saccular epithelium are oriented dorsally and ventrally, with some variations in the caudal end. The hair cells in the rostral part have diverse morphological polarizations. The utricular hair cells fall into internal and external groups which have opposing polarizations. The lagenar hair cells are found in anterior and posterior groups with approximately opposite polarizations. The saccular and lagenar epithelia are oriented perpendicular to the horizontal plane of the fish, while the utricular epithelium lies on the horizontal plane. Thus, the sleeper goby's ear is morphologically capable of being a three-dimensional sound detector.

Original languageEnglish
Pages (from-to)47-57
Number of pages11
JournalHearing Research
Volume126
Issue number1-2
DOIs
StatePublished - Dec 1 1998
Externally publishedYes

Fingerprint

Fishes
Epithelium
Saccule and Utricle
Electron Scanning Microscopy
Hearing
Ear

Keywords

  • Confocal microscopy
  • Hearing
  • Inner ear
  • Kinocilium
  • Stereocilia

ASJC Scopus subject areas

  • Sensory Systems

Cite this

Morphological polarizations of sensory hair cells in the three otolithic organs of a teleost fish : Fluorescent imaging of ciliary bundles. / Lu, Zhongmin; Popper, Arthur N.

In: Hearing Research, Vol. 126, No. 1-2, 01.12.1998, p. 47-57.

Research output: Contribution to journalArticle

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