Tag: Histology

Anatomy

How Tiny Cells Build a Working Human (Tissues Part 1)

Why Tissues Matter If you’ve ever looked through a microscope, you know that cells are tiny, but together, they form the very fabric of life. In the human body, these microscopic building blocks don’t just float around on their own; they team up to form tissues, which are organized groups of similar cells working toward a common goal. Broadly, the body relies on four major … Continue reading How Tiny Cells Build a Working Human (Tissues Part 1)

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Immunology

The Clonal Selection Hypothesis

The immune system showcases a diverse array of specialized cells, each with distinct functions, capabilities, and specificities. What many may not realize is that all of these immune cells originate from a single type of cell—the hematopoietic stem cell. The normal differentiation of hematopoietic stem cells occurs in three main steps: It’s crucial to note that differentiation is a one-way street. Once a cell commits … Continue reading The Clonal Selection Hypothesis

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