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Juvenile cellulitis, also known as puppy strangles or juvenile pyoderma, is an uncommon disease of dogs. [1] Symptoms include dermatitis , lethargy , depression and lameness . When puppies are first presented with what appears to be staphylococcal pyoderma , juvenile cellulitis, a relatively rare condition, may not be considered.
Signs include weight loss, cough, fever, enlarged lymph nodes, and gastrointestinal symptoms. [11] Coccidioidomycosis, caused by Coccidioides immitis, is found in arid and semi-arid regions of Central and South America, Mexico, and southwestern United States. Signs include weight loss, fever, cough, enlarged lymph nodes, and lameness. [12] [13]
Following ingestion, the virus replicates in the lymphoid tissue in the throat, and then spreads to the bloodstream. From there, the virus attacks rapidly dividing cells, notably those in the lymph nodes, intestinal crypts, and the bone marrow. There is depletion of lymphocytes in lymph nodes and necrosis and destruction of the intestinal ...
The most common form in dogs is multicentric, involving the lymph nodes. [165] Fibrosarcoma is a malignant tumor that most commonly occurs in the mouth in dogs, and less commonly in the skin, subcutis, and bones. [6] Aggressive fibromatosis, also known as desmoid fibromatosis, a type of non-metastasizing soft-tissue sarcoma, may occur in dogs ...
The bodies of the dogs that died were accepted for necroscopy. The intestines, spleen, and lymph nodes were most affected with deformities such as segmental mucosal collapse, villar shortening, lymphoid necrosis, lymphocytolysis, multifocal granulomatous inflammation, and histiocytosis.
A lymph node showing afferent and efferent lymphatic vessels Regional lymph nodes. A lymph node is an organized collection of lymphoid tissue, through which the lymph passes on its way back to the blood. Lymph nodes are located at intervals along the lymphatic system.
Toxocariasis is an illness of humans caused by the dog roundworm (Toxocara canis) and, less frequently, the cat roundworm (Toxocara cati). [1] These are the most common intestinal roundworms of dogs, coyotes, wolves and foxes and domestic cats, respectively. [2]
Peyer's patches are clusters of macrophages and lymphocytes organized much like lymph nodes. Covering Peyer's patches are a layer of cells called M cells. These cells function to sample the content of the lumen of the intestines and pass antigens (bacteria) through to the underlying cells of the Peyer's patch to "show" these antigens to the ...