نتایج جستجو برای: parotid glands
تعداد نتایج: 44335 فیلتر نتایج به سال:
The major salivary glands consist of the parotid, the submandibular, and the sublingual glands. Under the control of the parasympathetic nervous system, the major salivary glands are responsible for the principal portion of saliva produced, which can be as much as 1.5 liters per day. The minor salivary glands of the oral cavity, pharynx, and upper airways contribute only a small percentage of t...
Adenoid cystic carcinoma (ACC) is a slowly developing malignant tumor of the salivary glands, occurring more commonly in minor glands and rarely parotid glands. It has potential retrograde perineural spread to adjacent structures spaces. Here we report rare case ACC gland extended infratemporal fossa with vascular invasion, reflecting advanced stage disease. After consulting ENT specialists rad...
The non-obese diabetic (NOD) mouse is chosen among other experimental models to study autoimmune sialadenitis resembling Sjögren's syndrome (SS), because of its unique characteristic of developing salivary dysfunction. Based on the deep loss of nitric oxide synthase (NOS) activity in parotid glands of NOD mice observed from early stages of disease and the inhibitory effect of nitric oxide (NO) ...
The salivary glands are divided into major and minor/accessory glands. Tumours are not rare in salivary glands and are mainly found in major salivary glands. Tumours of accessory salivary glands are relatively less common. Accessory parotid gland is a small unit of salivary gland tissue lying on the masseter muscle and seperated from the main parotid gland with an accessory duct draining into t...
Xerostomia (dry mouth), resulting from radiation damage to the parotid glands, is one of the most common and distressing side effects of head-and-neck cancer radiotherapy. Recent MRI studies have demonstrated that the volume reduction of parotid glands is an important indicator for radiation damage and xerostomia. In the clinic, parotid-volume evaluation is exclusively based on physicians' manu...
Long lasting sialolithiasis can cause structural and functional changes of the salivary glands, inflammatory infiltration and fibrosis. However fat infiltration with sialolithiasis has not been described in the parotid glands. We describe a 60 years old man, bus-driver who presented with a history of reccurent right parotid sialadenitis and was diagnosed to have bilateral sialolithiasis and lef...
Painless swelling of the parotid salivary gland was observed in a patient presenting with secondary syphilis. This case is of special interest to venereologists and surgeons as parotitis associated with syphilis may be mistaken for common tumours of the parotid glands. A diagnosis of syphilitic parotitis should be considered in patients presenting with swollen parotid salivary glands in countri...
A 31-year-old woman had bilateral swelling of the parotid glands at 4 months of pregnancy. MR imaging showed marked enlargement of the parotid glands with increased signal on images with long repetition times. A diagnosis of polycystic disease of the parotid gland was made after biopsy and histologic examination. The radiographic and histologic features of this rare disease are discussed.
The inferior salivatory nucleus (ISN) contains parasympathetic neurons controlling the parotid and von Ebner salivary glands. To characterize the neurophysiological and morphological properties of these neurons, intracellular recordings were made from anatomically identified ISN neurons in rat brain slices. Neurons were also filled with Lucifer yellow and morphometrically analyzed. Based on res...
To elucidate the localization of post-translational modifications of different classes of human salivary proteins and peptides (acidic and basic proline-rich proteins (PRPs), Histatins, Statherin, P-B peptide, and "S type" Cystatins) a comparative reversed phase HPLC-ESI-MS analysis on intact proteins of enriched granule preparations from parotid and submandibular glands as well as parotid, sub...
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