Origen árabe de «haza»

Infecciones orofaciales de origen odontogénico

The polymicrobial nature of the odontogenic infections as well as the variety of associated conditions are a consequence of the diversity of the buccal microbiota and the anatomical and functional complexity of the oral cavity. In addition to this, all these processes can give way to multiple complications which range from the local to the systemic level. The appropriate choice of antibiotic an...

Origen De Los Recursos Aplicación De Los Recursos Por Componentes

Origen de los hematomas subdurales espinales . Estudio anatómico en cadáveres

Los hematomas espinales más comunes son los hematomas epidurales, no obstante a lo largo de los años se han descrito numerosos hematomas subdurales espinales (HSE). El mecanismo de la formación de los hematomas subdurales craneales es conocido, sin embargo, el mecanismo de origen de los HSE no está claramente definido. El sangrado de los hematomas subdurales craneales ha sido atribuido a la rot...

Origen de las interneuronas de la corteza cerebral: conceptos básicos e implicaciones clínicas

Introduction and development. GABAergic interneurons play a prominent role in the function of the cerebral cortex, since they allow the synchronization of pyramidal neurons and greatly influence their differentiation and maturation during development. Until recently it has been thought that cortical interneurons and pyramidal neurons originate from progenitor cells located in the dorsal region ...

[Rare esophageal tumors of mesenchymal origen].

We present a 77-year-old male, smoker of 50 packs/year, with chronic obstructive pulmonary disease (COPD) and atrial fibrillation. He was admitted to the emergency because of progressive dysphagia for solids of three months duration and, in the last month, with liquid weight loss and anorexia. Endoscopy detected an exophytic neoformation in the middle third of the esophagus causing six centimet...