anatomy and physiology of the heart valves
Báo cáo khoa học: Structure, linkage mapping and expression of the heart-type fatty acid-binding protein gene (fabp3 ) from zebrafish (Danio rerio) pot
Ngày tải lên :
31/03/2014, 07:20
... major band of 650 bp and the
minor band of 570 bp were excised, cloned and sequenced. M:
100 bp DNA ladder (with molecular sizes shown on the left of the
panel). Lane 1: 3Â RACE product of FABP3 ... migrated off the end of the gel
during electrophoresis. As both the HaeIII and MboI-
digested DNA samples generated two fragments in the
Southern blot hybridization, and neither site is present in the
cDNA ... RT-PCR,
the mRNA must be of such low abundance in most of these
tissues, with the exception of primary oocytes and liver, that
it is below the sensitivity of detection by the technique of
Fig....
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ANATOMY, PHYSIOLOGY, AND DISORDERS OF THE AUDITORY SYSTEM - PART 1 pps
Ngày tải lên :
11/08/2014, 06:21
... disorders. The book provides the
basis for a broad understanding of the anatomy and
function of the ear and the auditory nervous system,
and it discusses the cause and treatment of hearing
disorders. ... focus either on the
anatomy and function of the ear, the auditory nervous
system or on peripheral or central hearing disorders.
This book covers both anatomy and physiology of the
ear and the nervous ... system. The book also provides a
comprehensive coverage of disorders of the auditory
system emphasizing the interaction between patholo-
gies of the middle ear and the cochlea and the function
of the...
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ANATOMY, PHYSIOLOGY, AND DISORDERS OF THE AUDITORY SYSTEM - PART 2 ppsx
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11/08/2014, 06:21
... between the
effective area of the tympanic membrane and the area
of the stapes footplate, but the lever ratio of the middle
ear bones also contributes. The ratio of areas of the
24 Section I The ... entrance of the ear canal depends
on the frequency of the sound and on the angle
of incidence of the sound (direction to the
sound source).
6. The difference in time of arrival of a sound
at the ... towards.
Other studies of the stimulation of the inner hair cells
have shown further evidence that the motion of the
stereocilia is more complex than that of the basilar
membrane and that the deflection...
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ANATOMY, PHYSIOLOGY, AND DISORDERS OF THE AUDITORY SYSTEM - PART 4 potx
Ngày tải lên :
11/08/2014, 06:21
... understanding of
the anatomy and physiology of the auditory nervous
system of clinical importance.
Most studies of the function of the auditory system
have aimed at the coding of different kinds of ... receive their input from the
ICC and the ICX. The posterior division of the MGB
(PO) receives input from the ICC and projects to
the AAF cortical area. The neurons in the ventral por-
tion of the ... the difference in the arrival
time and the difference in the intensity of sounds
at the two ears, both factors being a function of
the azimuth.
21. The time between the arrival of sounds at the...
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ANATOMY, PHYSIOLOGY, AND DISORDERS OF THE AUDITORY SYSTEM - PART 6 pot
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11/08/2014, 06:21
... between the middle of that line and the
vertex. The origin of the vectors is the latency of the first peak in
the dipole and the length is the relative strength of the dipoles. Note
the short ... portion of the floor of the lateral recess is
the (dorsal) surface of the dorsal cochlear nucleus and the
rostral portion of the floor of the lateral recess is the dorsal
surface of the ventral ... the
auditory nerve and the ventral cochlear nucleus are
the first part of the reflex arc of both the contralateral
and the ipsilateral pathways of the acoustic stapedius
reflex (Fig. 8.2). The...
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ANATOMY, PHYSIOLOGY, AND DISORDERS OF THE AUDITORY SYSTEM - PART 7 pot
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11/08/2014, 06:21
... tones [182]. The latency of the ipsilateral
and the contralateral responses are similar. The latency
of the change in the acoustic impedance is the sum
of the neural conduction time and the time ... subjects and standard error of the mean are shown as a function
of the intensity of the noise. The TTS was measured 20 s after the
end of the exposure. In this study the noise exposure consisted of ... reducing the
intensity of a sound (turning the volume of a loud-
speaker down). Many forms of disorders of the conduc-
tive apparatus will resolve on their own, as they often
do in the case of otitis...
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ANATOMY, PHYSIOLOGY, AND DISORDERS OF THE AUDITORY SYSTEM - PART 8 docx
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11/08/2014, 06:21
... role
of outer hair cells, that is to increase the sensitivity and
frequency selectivity of the ear (cf. Chapter 3). The
widening of the tuning of the basilar membrane
broadens the “slices” of the ... contraction of the stapedius muscle normally
causes the stapes to move perpendicular to the surface of
the flat portion of the incudo-stapedial joint and that does
not cause any movement of the incus and ... fine
details of the anatomy of the stapes and its suspension in
the oval window, the incudo-stapedial joint and the ori-
entation of its plane surface. This causes considerable
individual variation in the...
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ANATOMY, PHYSIOLOGY, AND DISORDERS OF THE AUDITORY SYSTEM - PART 9 pdf
Ngày tải lên :
11/08/2014, 06:21
... corresponding to the F1 frequency and the other corresponding to the frequency of F2. The rate of the
impulses is that of F0 for voiced sounds, and a quasi-random rate (average of 100 pps) for ... simplest version, the processing of the signals
from the microphone consists of separating the sound
spectrum into 4–8 frequency bands and then applying
the output of these filters to the respective ... range of sound intensities [58].
The number of channels that are required depends
on the resolution of coding of the intensity of sounds
in these frequency bands [184]. If the resolution of the
coding...
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