نتایج جستجو برای: labial glands
تعداد نتایج: 41459 فیلتر نتایج به سال:
Enfleurage, the extraction of elusive floral scents with the help of a lipophilic carrier (grease), is widely used in the perfume industry. Male neotropical orchid bees (Euglossini), which accumulate exogenous fragrances as pheromone analogues, use a similar technique. To collect fragrances, the bees apply large amounts of straight-chain lipids to odoriferous surfaces from their cephalic labial...
The salivary glands of scrapie-affected sheep and healthy controls were investigated for the presence of the pathological prion protein (PrP(Sc)). PrP(Sc) was detected in major (parotid and mandibular) and minor (buccal, labial, and palatine) salivary glands of naturally and experimentally infected sheep. Using Western blotting, the PrP(Sc) concentration in glands was estimated to be 0.02 to 0....
BACKGROUND In addition to their general role in the hydrolysis of storage lipids, bumblebee lipases can participate in the biosynthesis of fatty acids that serve as precursors of pheromones used for sexual communication. RESULTS We studied the temporal dynamics of lipolytic activity in crude extracts from the cephalic part of Bombus terrestris labial glands. Extracts from 3-day-old males disp...
The morphology of the labial salivary glands in subjects with and without cystic fibrosis has been studied by light and electron microscopy. The terms ;light' cell, ;dark' cell, ;clear' cell, and ;myoepithelial' cell are used to describe the four cell types distinguished at the level of the electron microscope. The dark cells were found to stain specifically with alcian blue at and above pH 1.0...
A patient presenting with bilateral enlargement of parotid and lacrimal glands, xerostomia, and keratoconjunctiva sicca, whose labial biopsy specimen showed changes consistent with Sjögren's syndrome, is described. The patient was initially misdiagnosed as having primary Sjögren's syndrome (SS). Subsequent investigations, however, performed to exclude an associated lymphoma or sarcoidosis, show...
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