• Users Online: 148
  • Print this page
  • Email this page
 
REVIEW ARTICLE
Ahead of Print

Different cells of the human body: Categories and morphological characters


 Department of Histology and Cell Biology, Faculty of Medicine, Ain Shams University, Cairo, Egypt; Department of Physiological Sciences, Fakeeh College for Medical Sciences, Jeddah, Saudi Arabia

Correspondence Address:
Hany K. K. Mostafa,
Department of Histology and Cell Biology, Faculty of Medicine, Ain Shams University, Cairo, Egypt; Department of Physiological Sciences, Fakeeh College for Medical Sciences, Jeddah, Saudi Arabia

Login to access the Email id

Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jmau.jmau_74_20

The cell is the basic structural unit of all living organisms. Most of the cells forming the human body share the basic components, but there are many categories that have specific light and electron microscopic characteristics. This review shed a light on these cell categories and their morphologies. Stem cell category is the cells responsible for the regeneration of damaged or lost cells, whereas protein.secreting cells are those responsible for the production and secretion of proteins. Protein.secreting cells have specific characters such as basophilic cytoplasm and vesicular nucleus by light microscope; these are confirmed by an electron microscope that shows rough endoplasmic reticulum, Golgi apparatus, secretory granules, and mitochondria. Steroid secreting, ion transporting, and contracting categories have specific morphology. Phagocytic cells such as macrophages and neutrophils are characterized by the presence of many lysosomes and phagosomes. Supporting cells are very important category as they not only support but also usually have another function such as myelin formation in Schwann, blood.brain barrier in astrocytes, or modification of response as in Pacinian corpuscle. Many cells showed interrelated characters between different categories, for example, phagocytic cells are able to contract to perform their function in fighting microorganism. Although we have trillions of cells, yet they only fall in some categories. Each cell category has specific morphological characters confirmed by ultrastructural characters. They all adapted to perform the desired functions.


Print this article
Search
 Back
 
  Search Pubmed for
 
    -  Mostafa HK
 Citation Manager
 Article Access Statistics
 Reader Comments
 * Requires registration (Free)
 

 Article Access Statistics
    Viewed39    
    PDF Downloaded2    

Recommend this journal