نتایج جستجو برای: salivary glands
تعداد نتایج: 55822 فیلتر نتایج به سال:
Pleomorphic adenoma is the most common salivary gland tumor. also known as benign mixed Most commonly affected site parotid gland. It may occur in other major glands (submandibular and sublingual glands), lacrimal minor glands. arises a painless, firm swelling, slowly growing oral cavity. triphasic tumor that occurs epithelial, myoepithelial, chondromyxoid stroma. Complete surgical resection wi...
Homogenates of salivary glands from Locusta migratoria possess phenoloxidase (PO) activity. This study investigates the activation of prophenoloxidase (PPO) in these glands in vitro. When freshly dissected salivary glands from L. migratoria are incubated with the immunogen laminarin, and then homogenized, a 4-fold increase in PO activity (expressed as a percentage of the total PO) can be measur...
Background. Renal cell carcinoma (RCC) metastasis to the salivary glands is extremely rare. Most cases reported previously have involved the parotid gland and only six cases involving the submandibular gland exist in the current literature. Metastasis of RCC to thyroid gland is also rare but appears to be more common than to salivary glands. Methods and Results. We present the first case of sim...
Salivary gland tumors are uncommonly seen and account for less than 3% of the head and neck tumors. Pleomorphic adenoma is a well-described benign tumor of the salivary glands, originating from myoepithelial and intercalated duct cells. It is most commonly found in major salivary glands. We present a rare and unusual case of pleomorphic adenoma of the minor salivary glands in the lower lip. The...
Saliva samples are useful for noninvasive diagnosis of oral and systemic diseases. The water channel protein aquaporin-5 (AQP5) is released into human saliva. Salivary AQP5 levels show a diurnal variation with the secretion of high levels during the waking hours. An age-related decrease in salivary AQP5 levels parallels a decrease in the volume of saliva. Cevimeline, a muscarinic acetylcholine ...
Sjögren's syndrome is a rheumatic disease in which the salivary and lacrimal glands are the principal targets of a pathological autoimmune reaction. Previous studies in mice indicated that delayed organogenesis and aberrant cell physiology followed by an increase in acinar cell apoptosis precede chronic focal inflammation in the salivary glands and the manifestation of impaired exocrine gland s...
Saliva started for been less studied than other body fluids, but in the last years it has being receiving an increased attention. Until now, more than 2000 different proteins and peptides have been identified in whole saliva and salivary glandular secretions [1]. From these, more than 90% derive from the secretion of the three pairs of “major” salivary glands (parotid, submandibular and subling...
Malaria infection caused by Plasmodium parasites continues to cause enormous morbidity and mortality in areas where it is endemic, and there is no licensed vaccine capable of inducing sterile protection. Hyperimmunization with attenuated whole sporozoites can induce sterile protective immune responses targeting preerythrocytic antigens. Most animal models of hyperimmunization rely on sporozoite...
Sialolithiasis is the most common disease of salivary glands. It is a condition characterized by the obstruction of a salivary gland or its excretory duct due to the formation of calcareous concretions, resulting in salivary ectasia and even determining the subsequent dilatation of the salivary gland.The sialolith usually measure from 1 mm to less than 10 mm. They rarely measure more than 15 mm...
OBJECTIVES Invariant NKT (iNKT) cells play a role in regulating the function of autoreactive B cells before their entry into germinal centres. Absence and/or reduction of iNKT cells have been demonstrated in patients with systemic lupus erythematosus (SLE) together with an increase of autoreactive B cell activity. Primary Sjögren's syndrome (pSS) is a systemic autoimmune disease in which lympho...
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