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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
11

Structure and function of the membranous sacs of the labyrinth in Acanthias vulgaris

Vilstrup, Thure. January 1951 (has links)
Afhandling - Copenhagen. / Summary in English and Danish. Bibliography: p. [131]-134.
12

A study of acoustic impedance and middle-ear function /

Shallop, Jon Kent January 1965 (has links)
No description available.
13

Hair cell loss and repair processes in mammalian vestibular sensory epithelia

Li, Lin January 1997 (has links)
No description available.
14

Volterra series characterisations and identification of nonlinear bioacoustic systems

Wright, M. C. M. January 1993 (has links)
No description available.
15

Ambient drying of maize

Some, D. K. A. January 1985 (has links)
No description available.
16

Characterization of mucus glycoproteins in middle ear effusions from children with otitis media with effusion

Fitzgerald, J. E. January 1988 (has links)
No description available.
17

The developmental consequences of otitis media with effusion

Wilson, Rachel January 2002 (has links)
No description available.
18

Functional analysis of pax2/5/8 genes and their genetic interactions in zebrafish ear development

Kwak, Su Jin 16 August 2006 (has links)
The vertebrate inner ear is a sensory organ responsible for auditory and vestibular function. Since its complex structure and cell types arise from a simply structured group of ectodermal cells, called the otic placode, the development of the inner ear has been a popular subject in embryology and developmental biology for decades. To date, many regulatory molecules and their functions have been identified in inner ear development showing considerable conservation among vertebrates. In vertebrates, Fgfs (fibroblast growth factors) from surrounding tissues are the main otic inducer and regulate various otic genes’ expression. Under the control of Fgf signals, pax2/5/8 genes are expressed in the otic region in the critical stages of otic development suggesting their function in otic development. In order to understand the function of pax2/5/8 genes and their interactions in the developing ear, we utilize zebrafish as a model system. Among zebrafish pax2/5/8 genes, pax8 is the earliest gene expressed in the preotic region while pax2a and pax2b are expressed slightly later. We found that pax8 is initially required for normal otic induction. Subsequently, pax8, pax2a and pax2b function redundantly to maintain otic fate. After otic placodes are induced by an Fgf signaling network, expression of Fgf3, one of otic inducers in zebrafish, persists in the hindbrain rhombomere 4. To investigate the function of the persistant Fgf3 expression, we examined a mutant with expanded Fgf3 expression in the hindbrain. Together with fgf3 knockdown results, we discovered that Fgf3 has later roles in specifying the anteroposterior (A-P) axis in the otic vesicle and regulating hair cell formation. We further identified pax5 as one of the genes regulated by the hindbrain Fgf3 activity, and pax5 function to be required for utricular hair cell survival.
19

Über das Carcinom des äusseren Ohres

Langguth, Hugo. January 1896 (has links)
Thèse : Médecine : Strasbourg : 1896. / Numéro d'ordre : 22.
20

An anatomical study of the ear of the lizard, Coleonyx variegatus

Posner, Robert Baruch, 1938- January 1963 (has links)
No description available.

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