Which characteristic is typical of an Entamoeba histolytica trophozoite?

The predominant characteristics of an Entamoeba histolytica trophozoite include the presence of a central karyosome within the nucleus, ingested red blood cells (RBCs), and clear pseudopodia, which contributes to its motility and feeding process. The central karyosome is a notable feature of the nucleus that helps in identifying this specific organism under microscopic examination. The trophozoites of E. histolytica are known for their ability to ingest RBCs, especially in cases of amoebic dysentery, leading to the diagnosis of the infection.

The presence of clear pseudopodia allows for movement and interaction with the host's tissues, enabling the organism to invade the intestinal lining. These features are critical in differentiating E. histolytica from other amoebas and are commonly highlighted in parasitology studies to aid in accurate identification and diagnosis of infections caused by this pathogen.