Endosome definition Endosome refers to the vesicular compartment/organelle present in animal cells, involved in transport of material ingested by the cell by endocytosis to the lysosomes. Endocytosis Every single cell need to ingest material from the extracellular medium, either for their regulation and for their growth. In the case of prokaryotic cells, this process occurs […]

Hereditary diseases Hereditary diseases are diseases that follow inheritance patterns within families. Since there is inherent difficulty in studies of heredity in humans (due to the impossibility of controlling crosses, long generation time and small number of offspring), the study of hereditary diseases is done through the construction and analysis of an ‘heredogram’. Alternatively, studies […]

The starfish or sea stars are animals from the phylum Echinodermata (phylum to which also belong animals like the sea urchin and the sea cucumber) and, within this, from the class Asteroidea. They are invertebrate animals that live exclusively in the marine environment and have radial symmetry. They can be found all over the world, […]