“…Importantly, studies need to examine embryologically and anatomically specific types of defects and develop accurate information on biologically relevant exposures. …”
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“…CONCLUSION: Biphasic differentiation of pancreatic stem cell during embryological development could happen and may result in combined endocrine and exocrine tumours of the pancreas. …”
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“…The correlation of these biochemical findings with embryological studies of the discs is discussed.…”
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“…The variable clinical manifestations of congenital constriction band syndrome can best be explained as the response of the growing, embryologically defined limb to intrauterine deformation or band-induced compression and ischemia.…”
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“…CASE PRESENTATION: We report a rare combination of vascular variations in a 48 years old male cadaver, included the retroaortic left renal vein opening in to the left common iliac vein, an accessory renal artery arising from the left common iliac artery which supplied the lower end of left kidney and left testicular artery originating from left renal artery. Clinical and embryological back ground of the above mentioned variations have been discussed in this paper. …”
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“…CONCLUSION: The urachus is the embryological remnant of urogenital sinus and allantois. …”
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“…CONCLUSIONS: A case of gallbladder cancer with ectopic HCG production is quite rare in the literature, though many similar cases in other site, especially in GI tract, are reported. Embryological consideration suggests the increased frequency of similar cases more than being thought now.…”
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“…Although it is unclear whether or not a concurrent PAVM and EA have an embryologic or genetic relationship, we report a case of a PAVM with EA. …”
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“…However, the retro-aortic renal vein may course posterior to the aorta due to embryological developmental anomalies. During educational dissection, a rare variation of the left renal vein was found in a 66-year old male cadaver. …”
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“…It is the commonest form of a complete vascular ring, caused by a failure of the embryological, right, fourth pharyngeal arch to regress. …”
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“…Congenital anomaly of the oval window with an abnormal facial nerve course is an uncommon embryological defect, which is related to the underdevelopment of second branchial arch derivatives. …”
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“…The retrorectal space represents the anatomical site at which level we identify the embryologic reminiscents in which it can develop liquid tumors - cysts or solid tumors - neoplasia. …”
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“…In the new WHO classification (2010) the embryological derivation of each neoplastic entity is one of the most important parameters. …”
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“…Concomitant malformations or duplications of the large intestine or the genitourinary system may be present, especially in types B1 and C probably due to their similar embryological origin. Here we are presenting a very rare case report of type B1 appendix anomaly associated with Meckel's diverticulum. …”
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“…Despite the presence of embryological remnants, it is still unclear why the cyst should suddenly develop later in life. …”
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“…The main theories to justify the unusual topography appear to be embryological remains of neuroectodermal tissue or cellular dedifferentiation. …”
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“…The presence of a serous cyst in the tympanic membrane implies the description of a new or unpublished entity based on our knowledge whose origin may be very unlikely explained on actual embryologic and anatomic background. Clinical Case. …”
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“…Ciliated foregut cysts are rare anomalies arising from remnants of aberrant embryological development. Around 100 reports on the presence of these congenital masses in the tracheobronchial tree, mediastinum, liver, pancreas and, rarely, the gallbladder have been described. …”
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“…We also present a brief review of classification, pathophysiology, and embryological basis of this rare congenital anomaly. …”
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“…Ectopic thyroid tissue results from abnormal embryologic development and migration of the thyroid gland. …”
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