Yasuo Harada

Atlas of the Ear

By Scanning Electron Microscopy

• Broschiertes Buch

Produktbeschreibung

The physiology of the semicircular canals was my main research interest before I began to study their morphology. In 1966, by utilizing the isolated semicircular canal of the frog, I was able to show that cell activity in the horizontal semicircular canal has the opposite polarity to that in the vertical canals, which was the first physiological proof of Ewald's law. Several transmitting electron microscope (TEM) studies had already reported on the morphology of the semicircular canal cristae; however, my morphological work was motivated by a strong desire to see whether the morphological polarity accorded to the physio logical polarity. In 1968 I happened to see the paper written by Dr David Lim, one of my close friends. His findings concerning the vestibular morphology, when examined by scanning electron microscopy (SEM), fascinated me a great deal because of the three-dimensional quality of the micro graphs. This stimulated me to become involved in vestibular morphol ogy. In the beginning, however, I faced many problems with specimen preparation for SEM, and the first few years were spent simply solving technical problems, especially those of artifacts. Many of the figures in this book have been photographed with a JEOL JSM U-3 scanning electron microscope over a decade. The sharpness of these pictures still, I think, bears comparison to the defi nition of those taken by the more sophisticated SEM scopes currently available.

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Produktdetails

• Verlag: Springer / Springer Netherlands
• Artikelnr. des Verlages: 978-94-009-6600-0
• Softcover reprint of the original 1st ed. 1983
• Seitenzahl: 244
• Erscheinungstermin: 2. November 2011
• Englisch
• Abmessung: 254mm x 178mm x 14mm
• Gewicht: 467g
• ISBN-13: 9789400966000
• ISBN-10: 9400966008
• Artikelnr.: 39512538

Inhaltsangabe

The Middle Ear.- The tympanic membrane.- The auditory ossicles.- The auditory ossicular chain.- The auditory muscles.- The mucous membrane of the middle ear.- The round window membrane.- The Eustachian tube.- The Inner Ear and Vestibular Organs.- The inner ear.- The otolithic organs.- The function of the otolithic organs.- The shape and composition of otoconia.- The otolithic membrane.- The formation area of the otoconia.- The absorption area of the otoconia.- The sensory cells.- The striola.- The sensory area of the macula.- The sensory cell population of the macula.- The semicircular canals.- The function of the semicircular canals.- The polarity of the vestibular organs.- The cupula.- The sensory epithelium of the crista.- The shape of the cristae ampullares.- Animals without eminentia cruciata.- The crista neglecta.- The planum semilunatum.- The transitional epithelium.- Vestibular supporting cells.- Vestibular dark cells.- Vestibular wall cells.- The calibre and number of the vestibular nerve fibres.- The cochlear aqueduct.- The endolymphatic sac.- The Cochlea.- The organ of Corti.- The outer and the inner hairs.- The tectorial membrane.- Reissner's membrane.- The stria vascularis.- The mesothelial cell.- The spiral ganglion.- The innervation of the organ of Corti.- The nerve endings.- The vascular system of the inner ear.- Morphological Changes of the Middle and Inner Ear.- Morphological changes of the vestibular organ by aminoglycosides.- Morphological changes of the middle ear mucosa in sensory otitis media.- Cholesteatoma.- Morphological changes of the organ of Corti by aminoglycosides.- Acoustic damage to the organ of Corti.- Pathological changes of human vestibular organs.