Tympanic Bulla Exposure
Tympanic Bulla Exposure - Related Videos
07:40
Dissection of the Auditory Bulla in Postnatal Mice: Isolation of the Middle Ear Bones and Histological Analysis
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Cited by 13 •
2017
We present a protocol to isolate the auditory bulla, capsule, and ossicles from postnatal mice for whole mount and histological analysis.
01:14
Assessing Body Temperature - Tympanic membrane
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2024
Assessing tympanic membrane temperature involves using a tympanic membrane thermometer (TMT). Here is a step-by-step guide: Step 1: Begin by practicing good hand hygiene to prevent the transmission of microorganisms. Step 2: Turn on the thermometer and wait until the ready sign appears on the screen to ensure accurate measurement. Step 3: Slide the probe cover in place to prevent cross-contamination. Step 4: Instruct the patient to tilt their head to the side for comfort and check for cerumen...
09:52
Trans-Tympanic Drug Delivery for the Treatment of Ototoxicity
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Cited by 12 •
2018
We present a technique for localized administration of drugs through the trans-tympanic route into the cochlea. Drug delivery through this route would not interfere with the anti-cancer efficacy of the chemotherapeutic drugs such as cisplatin.
09:08
Developing a Salivary Antibody Multiplex Immunoassay to Measure Human Exposure to Environmental Pathogens
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Cited by 11 •
2016
In the current climate of scarce resources, new technologies are emerging that allow researchers to conduct studies cheaper, faster and with more precision. Here we describe the development of a bead-based salivary antibody multiplex immunoassay to measure human exposure to multiple environmental pathogens simultaneously.
10:11
Whole-Body Nanoparticle Aerosol Inhalation Exposures
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Cited by 51 •
2013
A whole-body nanoparticle aerosol inhalation exposure facility was constructed for nano-sized titanium dioxide (TiO2) inhalation toxicology studies. This system provides nano-TiO2 aerosol test atmospheres that have: 1) a steady mass concentration; 2) a homogenous composition free of contaminants; and 3) a stable particle size distribution during aerosol generation.
FAQs
The approach removes only part of the bony wall surrounding the middle ear, creating a localized route to structures such as the tympanic membrane, ossicles, or cochlea. This focused access allows investigators to work near specific auditory tissues while limiting disruption of the surrounding anatomy, which is important when relating local ear function to neural measurements.
Nearby tissues must remain intact because the experiment may depend on the ear retaining relevant structure and function after access is created. Careful retraction of overlying tissue and controlled removal of bone help expose the target region while reducing unnecessary disturbance. Preserving this local context supports more meaningful physiological recordings, tissue sampling, or behavioral comparisons.
The technique makes it possible to manipulate or examine auditory structures directly while researchers monitor physiological activity or behavior. Comparing the local intervention with neural responses can help trace how changes in the tympanic membrane, ossicles, or cochlea relate to auditory processing. This provides a bridge between peripheral ear function and neuroscience measurements.
Access may be directed toward the tympanic membrane, ossicles, or cochlea, so the exposed structure influences the type of information obtained. Investigators can use the opening for local drug delivery, physiological recording, tissue sampling, or experimental manipulation. Matching the accessible region to the research question helps distinguish effects arising from different levels of the auditory pathway.
The procedure is typically performed under anesthesia. Researchers first retract the tissue overlying the tympanic bulla, then carefully remove part of its bony wall to expose the intended auditory structures. The key technical objective is controlled access while preserving nearby tissues, allowing subsequent delivery, recording, sampling, or manipulation at the exposed site.
Researchers may select this approach when they need direct access to middle- or inner-ear structures rather than relying only on external measurements. It supports local drug delivery, physiological recording, tissue sampling, and experimental manipulation. These uses make the method relevant to studies that examine hearing, auditory processing, and relationships between ear function, neural activity, and behavior.
Findings from the exposed ear region can be compared with neural activity or behavioral responses to evaluate how peripheral auditory changes influence processing. Local recordings, samples, or interventions may reveal effects associated with the tympanic membrane, ossicles, or cochlea. The method therefore helps connect anatomical access with functional outcomes across auditory and neuroscience experiments.