Oscar Hernán Rodríguez Bejarano

• Medical Professional at University of Applied and Environmental Sciences

RESUMEN El aparato faríngeo, cuyo desarrollo es complejo y se presenta entre la cuarta y quinta semana de la vida intrauterina, es una estructura formada por seis arcos branquiales o faríngeos, cada uno de los cuales posee una hendidura en su parte externa (ectodermo), un núcleo de mesénquima y una bolsa faríngea (endodermo) de los que se originan...

RESUMEN El enfisema congénito es una malformación rara que se caracteriza por hipertrofia, hiperinsuflación y sobredistensión del parénquima pulmonar, compresión concomitante del tejido pulmonar adyacente, y desplazamiento del mediastino hacia el lado contralateral. Aunque por lo general se describe afectando lóbulos puede afectar a segmentos indiv...

Chagas disease is caused by the kinetoplastid parasite Trypanosoma cruzi, which is mainly transmitted by hematophagous insect bites. The parasite’s lifecycle has an obligate intracellular phase (amastigotes), while metacyclic and bloodstream-trypomastigotes are its infective forms. Mammalian host cell recognition of the parasite involves the intera...

Tuberculosis is a far-reaching, high-impact disease. It is among the top ten causes of death worldwide caused by a single infectious agent; 1.6 million tuberculosis-related deaths were reported in 2021 and it has been estimated that a third of the world's population are carriers of the tuberculosis bacillus but do not develop active disease. Severa...

The tumour microenvironment (TME) is usually defined as a cell environment associated with tumours or cancerous stem cells where conditions are established affecting tumour development and progression through malignant cell interaction with non-malignant cells. The TME is made up of endothelial, immune and non- immune cells, extracellular matrix (E...