نتایج جستجو برای: pharynx
تعداد نتایج: 3635 فیلتر نتایج به سال:
Cardiac neural crest ablation results in depressed myocardial calcium transients and elevated proliferation in myocardium at a stage when cardiac neural crest cells are not in contact with the myocardium. To test the hypothesis that cardiac neural crest-derived cells, which migrate into the caudal, ventral pharynx at stage 14, block a signal from the ventral pharynx, we cultured stage 12 chick ...
We describe a novel screen to isolate pharyngeal cell morphology mutants in Caenorhabditis elegans using myo-2::GFP to rapidly identify abnormally shaped pharynxes in EMS (Ethyl Methanesulfonate) mutagenized worms. We observed over 83 C. elegans lines with distinctive pharyngeal phenotypes in worms surviving to the L1 larval stage, with phenotypes ranging from short pharynx, unattached pharynx,...
Imaging of the oral cavity and pharynx often is required in three settings: assessment of an inflammatory mass in association with odontogenic, tonsillar, or pharyngeal infections; determination of the cause of a submucosal mass; and staging of squamous-cell carcinomas. Spread of infection from the oral cavity and pharynx can lead to abscesses in the masticatory space, the retropharyngeal compa...
A 77-year-old man was admitted for abdominal pain. He had no anemia or abnormal physical findings. We diagnosed the patient with chololithic pancreatitis, and performed endoscopic retrograde cholangiopancreatography. We began to insert a side-viewing duodenoscope, but had difficulty passing it through the left pyriform sinus. When we switched to a forward-viewing duodenoscope, we found that mem...
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