Relevant bibliographies by topics / Bursae mucosae

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Academic literature on the topic 'Bursae mucosae'

Author: Grafiati
Published: 4 June 2021
Last updated: 31 July 2024

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Journal articles on the topic "Bursae mucosae"

1

Thippani, Chandravathi, Rama Devi Vemuri, and Samatha Valeti. "Pathological and Molecular Study of Infectious Bursal Disease in Commercial Chicken." Indian Journal of Veterinary Sciences & Biotechnology 19, no. 1 (January 10, 2023): 32–37. http://dx.doi.org/10.48165/ijvsbt.19.1.08.

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A total of 100 Poultry carcasses suspected for infectious bursal disease were collected from 20 poultry farms and conducted postmortem at the Department of Veterinary Pathology, NTR College of Veterinary science, Gannavaram ( Andra Pradesh , India) . Sick birds showed ruffled feathers, loss of appetite, whitish diarrhea and soiled vent. On postmortem examination, grossly bursa of Fabricius was swollen, enlarged with mucous exudate in lumen and haemorrhages were noticed on the mucosa. Paint brush haemorrhages were noticed on thigh muscles and at the junction of gizzard and proventriculus. Kidneys were swollen and ureters were filled with urate crystals. Histopathology of bursa of Fabricius revealed shrinkage of follicles, severe lymphoid depletion, necrosis, lymphocytolysis and cyst formation in follicles. Diagnosis of the disease was confirmed by targeting the VP2 gene of infectious bursal disease virus (IBDV) with a reverse transcriptase polymerase chain reaction which revealed an amplicon size of 743bp. Based on gross and histopathological lesions and molecular findings disease was confirmed as infectious bursal disease.
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2

AO, Ogbe, Audu Z, and Kwaja EZ. "Pathological diagnosis of infectious bursal disease in 24 weeks old vaccinated commercial laying hens in Kagarko, Nigeria: a case report." Journal of Dairy, Veterinary & Animal Research 9, no. 6 (December 21, 2020): 172–76. http://dx.doi.org/10.15406/jdvar.2020.09.00300.

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Infectious bursal disease (Gumboro disease) was diagnosed in 24 weeks old vaccinated commercial laying hens. Clinical signs observed were severe depression, greenish-white diarrhea and high mortality. Postmortem findings observed were ruffled feathers, congestion of the lungs, enlarged kidneys, enlarged spleens, congested ovarian follicles, pale livers, haemorrhages of the mucosa of the proventriculus and ventricular junction, enlarged, oedematous and haemorrhagic bursa of Fabricius and haemorrhages of caecal tonsils. Histopathology findings showed severe congestion of kidneys, presence of red blood cells in the interstitial spaces, tubular degenerative necrosis with dissolution of nuclear material, glomerular atrophy and increase in capsular spaces. There was severe follicular inflammation of the bursa of Fabricius evident by massive presence of inflammatory cells. Infectious bursal disease was diagnosed based on the gross pathological and histopathological findings. King herbs was administered for 5 days at dose rate 2ml/L in the birds drinking water ad-lib and the client was advised to isolate and treat the sick birds with the drug and to enforce strict biosecurity measures. There was no mortality after the treatments.
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3

Khomych, V., I. Kalynovska, N. Kolych, and T. Mazurkevych. "Epithelium of the Bursa of Fabricius Mucosa." Anatomia, Histologia, Embryologia: Journal of Veterinary Medicine Series C 34, s1 (December 2005): 25. http://dx.doi.org/10.1111/j.1439-0264.2005.00669_55.x.

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4

Sultana, N., MZI Khan, MA Wares, and MA Masum. "HISTOMORPHOLOGICAL STUDY OF THE MAJOR LYMPHOID TISSUES IN INDIGENOUS DUCKLINGS OF BANGLADESH." Bangladesh Journal of Veterinary Medicine 9, no. 1 (July 13, 2012): 53–58. http://dx.doi.org/10.3329/bjvm.v9i1.11212.

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A histomorphological study was performed in the major lymphoid tissues (thymus, bursa of Fabricus and spleen) of the six 21-day-old indigenous ducklings of Bangladesh by H & E staining method during the period from March to May 2011. In the present study, it was observed that the thymus was enclosed by a thin connective tissue capsule. Numerous fine septa of connective tissue originated from the capsule and divided the organ into incompletely separated lobules. Each lobule organized into a peripheral cortex and a central medulla. The bursa of Fabricus was consisted of mucosal folds (plicae). Numerous follicles filled the lamina propria of each fold and each bursal follicle was composed a peripheral cortex and a central medulla. A layer of undifferentiated epithelial cells occupied the periphery of the medulla, which was separated from the cortex by a capillary layer. The darkly stained cortex was composed of many closely packed small lymphocytes. The paler medulla contained fewer cells of various sizes. The spleen was surrounded by a thick splenic capsule and there were a small number of trabeculae. The white pulp was composed of network of reticular cells and reticular fibers within various size lymphocytes and plasma cells were diffusely distributed. The red pulp of the spleen was formed from venous sinuses and anastomosing cord of reticular cells, macrophages, lymphocytes and blood cells. The length and breadth of the thymic lobules, bursal follicles and white pulp of the spleen were 226.68 and 165.78cm, 204.45 and 138.23cm, and 129.05 and 103.43cm respectively. The result of the present work revealed that the immunocompetent cells were arranged scatteredly or densely as an unorganized lymphatic nodules in the lymphoid tissues. The length and breadth of the thymic lobules were higher followed by bursal follicle and splenic white pulps were varied within the lymphoid tissues and even one another in indigenous ducklings. The results of the present study indicate that the architecture and distribution of lymphocytes and lymphoid follicles of ducklings is very close to the chicken and this study might be helpful to understand the changes in the frequency of the population of immunocompetent cells in drug induced, vitamin and mineral supplemented or hormone treated duck in future.DOI = http://dx.doi.org/10.3329/bjvm.v9i1.11212 Bangl. J. Vet. Med. (2011). 9(1): 53-58
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5

Santos, B. M. dos, M. P. Moraes, P. R. Barrios, S. Y. Marín, and W. M. Nascimento. "OCORRÊNCIA DE DOENÇA INFECCIOSA BURSAL APÓS VACINAÇÃO COM VACINA ATENUADA COM BAIXA PASSAGEM." Arquivos do Instituto Biológico 71, no. 4 (October 2004): 511–13. http://dx.doi.org/10.1590/1808-1657v71p5112004.

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RESUMO No presente trabalho, reporta-se a ocorrência do surto de DIB em frangas poedeiras, com 8 semanas de idade, 4 dias após vacinação, com vacina atenuada por baixa passagem. Os sinais clínicos foram caracterizados por manifestação de depressão, anorexia, diarréia aquosa, penas eriçadas, tremores, prostração severa e morte. Na necropsia, foram encontradas hemorragias em músculos esqueléticos e na mucosa da junção do proventrículo e moela, tumefação de rins e bursa com edema gelatinoso. As lesões histológicas da bursa consistiam em inflamação com edema interfolicular, infiltração heterofilica, congestão, hemorragia e necrose dos folículos. Este caso mostra que os sinais clínicos e lesões histológicas foram resultantes de formação de imuno-complexos semelhantes á Reação de Arthus.
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6

Penchev, G. "Age-related histology of the bursa of Fabricius in bronze turkeys (Meleagris meleagris gallopavo)." BULGARIAN JOURNAL OF VETERINARY MEDICINE 25, no. 3 (2022): 372–78. http://dx.doi.org/10.15547/bjvm.2387.

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The aim of the present study was to establish age-dependent histological changes occurring in the bursa of Fabricius of bronze turkeys. To this end, histological preparations from 60 clinically healthy birds (30 males and 30 females) were examined by light microscopy. The turkeys were divided into ten age groups – at 1, 7, 14, 28, 35, 49, 56, 90, 120 and 240 days of age. Specimens were processed by routine histological techniques. At one day of age, the wall of the bursa of Fab-ricius comprised 4 tissue layers: tunica mucosa, tela submucosa, tunica muscularis and tunica serosa, and the mucosa formed high fold directed to the lumen. These folds were filled with lym-phoid follicles, whose cortex and medulla were indistinguishable. From the 7th to the 120th days if age, the size of follicles increased and the peripherally located dark-staining cortex was clearly distinct from the centrally located lighter staining medulla. On the 240th day, signs of bursa of Fabricius’ involution were visible – destruction of follicles, cystic formations, thickening of inter-follicular connective tissue septa and fat accumulation within the wall. The obtained results al-lowed concluding that the physiological involution of the bursa of Fabricius started at the onset of sexual maturity.
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7

Gaghan, Carissa, Kaitlin Gorrell, Khaled Taha-Abdelaziz, Shayan Sharif, and Raveendra R. Kulkarni. "Intracloacal Inoculation of Broiler Chickens with Clostridium perfringens Strains: Evaluation of Necrotic Enteritis Disease Development and Lymphoid Immune Responses." Microorganisms 11, no. 3 (March 17, 2023): 771. http://dx.doi.org/10.3390/microorganisms11030771.

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Necrotic enteritis (NE) is an economically important disease of chickens. We have recently shown that inflammatory responses in chickens inoculated orally with virulent Clostridium perfringens were spatially regulated. Here, we used previously virulence-characterized netB+ C. perfringens strains, avirulent CP5 and virulent CP18 and CP26, to assess the severity of NE and immune responses in broiler chickens when inoculated intracloacally. The results showed that CP18- and CP26-infected birds had a reduced weight gain and developed milder/less severe NE lesions, as determined by the gross lesions scores, suggesting a subclinical-grade infection. Gene expression analysis in infected birds revealed three statistically significant observations compared to uninfected-control: (1) Increased expression of anti-inflammatory/immunoregulatory interleukin (IL)-10/transforming growth factor (TGF)β in cecal tonsil (CT) and bursa of Fabricius in the CP18/CP26-infected groups. (2) Increased CT transcription of pro-inflammatory IL-1β, IL-6 and interferon (IFN)γ and decreased Harderian gland (HG) expression of IFNγ in the CP18/CP26-infected birds. (3) Increased HG or bursal expression of IL-4 and IL-13 in CP5-infected birds. Collectively, intracloacal C. perfringens inoculation seems to induce a highly regulated inflammatory response in the CT and other mucosal lymphoid organs and an intracloacal infection model may be useful in evaluating immune responses in chickens with subclinical NE.
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8

Mahesh, Kumar T. S., Indira Annamalai Ponnuswamy, Maria Priscilla David, Peeyush Shivhare, Mahalakshmi Ikkanur Puttaranganayak, and Pooja Sinha. "Synovial Sarcoma of the Buccal Mucosa: A Rare Case Report." Case Reports in Dentistry 2013 (2013): 1–5. http://dx.doi.org/10.1155/2013/938291.

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Synovial sarcoma (SS) is a rare malignant neoplasm that arises most commonly in joint capsules and articular tendons, but its relationship to the synovium is not always obvious. Synovial sarcoma is a malignant soft tissue tumor representing 5.6% to 10% of all soft tissue sarcomas. They are termed SS because of their histologic resemblance to the synovium, but they rarely involve a synovial structure and are thought to arise from pluripotential mesenchymal cells. The tumor usually occurs in close association with tendon sheaths, bursae, and joint capsules, primarily in the para-articular regions of the extremities, with approximately 9% occurring in the head and neck region. Synovial sarcoma has been reported rarely in the oral cavity. We report a very rare case of Synovial sarcoma of the buccal mucosa in a 24-year-old male patient.
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9

Liukang, Chengyin, Jing Zhao, Jiaxin Tian, Min Huang, Rong Liang, Ye Zhao, and Guozhong Zhang. "Deciphering infected cell types, hub gene networks and cell-cell communication in infectious bronchitis virus via single-cell RNA sequencing." PLOS Pathogens 20, no. 5 (May 14, 2024): e1012232. http://dx.doi.org/10.1371/journal.ppat.1012232.

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Infectious bronchitis virus (IBV) is a coronavirus that infects chickens, which exhibits a broad tropism for epithelial cells, infecting the tracheal mucosal epithelium, intestinal mucosal epithelium, and renal tubular epithelial cells. Utilizing single-cell RNA sequencing (scRNA-seq), we systematically examined cells in renal, bursal, and tracheal tissues following IBV infection and identified tissue-specific molecular markers expressed in distinct cell types. We evaluated the expression of viral RNA in diverse cellular populations and subsequently ascertained that distal tubules and collecting ducts within the kidney, bursal mucosal epithelial cells, and follicle-associated epithelial cells exhibit susceptibility to IBV infection through immunofluorescence. Furthermore, our findings revealed an upregulation in the transcription of proinflammatory cytokines IL18 and IL1B in renal macrophages as well as increased expression of apoptosis-related gene STAT in distal tubules and collecting duct cells upon IBV infection leading to renal damage. Cell-to-cell communication unveiled potential interactions between diverse cell types, as well as upregulated signaling pathways and key sender-receiver cell populations after IBV infection. Integrating single-cell data from all tissues, we applied weighted gene co-expression network analysis (WGCNA) to identify gene modules that are specifically expressed in different cell populations. Based on the WGCNA results, we identified seven immune-related gene modules and determined the differential expression pattern of module genes, as well as the hub genes within these modules. Our comprehensive data provides valuable insights into the pathogenesis of IBV as well as avian antiviral immunology.
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10

Yaren Kuloğlu, Hatice, and Murat Boydak. "Comparison of the Development and Involution Periods of Bursa of Fabricius with Histological and Histochemical Methods." Turkish Journal of Agriculture - Food Science and Technology 11, no. 8 (August 31, 2023): 1324–30. http://dx.doi.org/10.24925/turjaf.v11i8.1324-1330.5928.

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The aim of this study is to histologically and histochemically determine the developmental and involutional stages of bursa of Fabricius of henna partridge (Alectoris chukar). In the study, bursa of Fabricius of 12 3-month-old (6 males, 6 females), 12 6-month-old (6 males, 6 females) henna partridges purchased from a private farm were used. It was observed that bursa of Fabricius was surrounded by a connective tissue capsule and consisted of tunica serosa, tunica muscularis, and tunica mucosa layers from the outside to the inside. It was seen that the tunica muscularis consisted of outer longitudinal and inner circular smooth muscle fibers. It was observed that the tunica mucosa made plicae towards the lumen of the organ and consisted of 10-15 plicae. It was seen that lamina epithelialis and lymph follicles were present in each plica. It was determined that the lamina epithelialis consisted of two parts called FAE (Follicle-Associated Epithelium) and IFE (İnter Follicular Epithelium). It was noted that the lymph follicles contained cortex and medulla sections and were separated locally by capillaries together with cortical medullary boundry cells. In the Methyl Green-pyronin staining method, plasma cells were found in the bursa of Fabricius of the henna partridge, in the connective tissue surrounding the organ, around the blood vessels and inside the follicles. In AB pH=2.5 staining, AB-positive reaction was seen only in the apical part of the epithelial cells forming FAE and IFE in the pre- and post-involution period. In PAS staining, PAS-positive reaction was observed only in the apical part of the epithelial cells forming FAE and IFE in the pre- and post-involution period. In PAS/AB pH=2.5 combined staining method, AB-positive reaction was observed only in the apical part of epithelial cells in the pre- and post-involution period. As a result of this study, it was found that bursa of Fabricius of the henna partridge did not undergo any histochemical changes despite its histologically large differences after involution.
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Books on the topic "Bursae mucosae"

1

Synnestvedt, Andreas Svane Dick, and Joachim Andreas Voss. En Anatomisk Beskrivelse Af de Paa over- Og Underextremiteterne Forekommede Bursae Mucosae, Stottet Paa Egne Lagttagelser Og Ledsaget Af Tegninger Efter Udførte Praeparater: Prisbelønnet Afhandling... Creative Media Partners, LLC, 2023.

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