Tag: Stem Cell Research

May 12, 2026 / Mohammed looti

BLASTULA

Introduction to the Blastula Stage The blastula represents a pivotal and transient stage in the early development of nearly all multicellular animals, marking a critical transition from a simple cluster of cells to a more organized structure poised for complex development. This early embryonic form is universally recognized across diverse animal phyla, underscoring its fundamental […]

November 21, 2025 / Mohammed looti

EMBRYONIC STEM CELL

Definition and Origin of Embryonic Stem Cells Embryonic Stem Cells (ESCs) represent a unique population of undifferentiated biological cells derived from the inner cell mass (ICM) of a mammalian embryo at the blastocyst stage. This critical stage of development typically occurs approximately four to five days after fertilization in humans. The fundamental characteristic that defines […]