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Related Concept Videos

What are Membranes?01:24

What are Membranes?

A cell's plasma membrane demarcates the cell's borders and determines the nature of its interaction with the environment. Cells exclude certain substances, take in others, and excrete some others in controlled quantities. The plasma membrane must be flexible to allow certain cells, such as red and white blood cells, to change their shape while passing through narrow capillaries. These are the more obvious plasma membrane functions. In addition, the plasma membrane's surface carries markers that...
Cell Diversity01:13

Cell Diversity

The concept of a cell started with microscopic observations of dead cork tissue by Robert Hooke in 1665. Hooke coined the term "cell" based on the resemblance of the small subdivisions in the cork to the rooms that monks inhabited, called cells. About ten years later, Antonie van Leeuwenhoek became the first person to observe the living and moving cells under a microscope. In the century that followed, the theory that cells represented the basic unit of life developed.
Multicellular organisms...
Enlargement of the Plasma Membrane01:22

Enlargement of the Plasma Membrane

Cell division and enlargement are processes that require precise control. The control ensures that cell division cannot proceed unless the cell has grown to a specific size. A spherical, dividing cell requires an approximately 1.6X increase in its surface area to double its volume. The secretory pathway also has a significant role in cell membrane enlargement. Secretory vesicles that bud off from the Golgi apparatus and later fuse with the plasma membrane during exocytosis are a major source of...
Cell Motility through Blebbing01:16

Cell Motility through Blebbing

Blebs are a type of membrane protrusion formed by the internal hydrostatic pressure of the cytoplasm. Blebs are observed in several cell types, including fibroblasts, immune cells, and single-celled organisms like the amoeba. The primary function of blebs is cell locomotion and apoptosis, but they are also found during necrosis and cell division. The life cycle of a bleb comprises an initiation phase followed by the expansion and retraction phases.
Blebbing Through the Matrix
In multicellular...
Fluid Mosaic Model01:19

Fluid Mosaic Model

Scientists identified the plasma membrane in the 1890s and its principal chemical components (lipids and proteins) by 1915. The model for plasma membrane structure, proposed in 1935 by Hugh Davson and James Danielli, was the first model to be widely accepted in the scientific community. The model was based on the plasma membrane's "railroad track" appearance in early electron micrographs. Davson and Danielli theorized that the plasma membrane's structure resembled a sandwich with the analogy of...
Fluid Mosaic Model01:34

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The fluid mosaic model was first proposed as a visual representation of research observations. The model comprises the composition and dynamics of membranes and serves as a foundation for future membrane-related studies. The model depicts the structure of the plasma membrane with a variety of components, which include phospholipids, proteins, and carbohydrates. These integral molecules are loosely bound, defining the cell’s border and providing fluidity for optimal function.LipidsThe most...

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Updated: Jun 24, 2026

In Vitro Differentiation Model of Human Normal Memory B Cells to Long-lived Plasma Cells
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Plasma Cell Morphology: Many Faces, One Essence.

Iffat Jamal1, Shuchismita1

  • 1Department of Pathology (Hematology section), Indira Gandhi Institute of Medical Sciences, Patna, India.

Indian Journal of Hematology & Blood Transfusion : an Official Journal of Indian Society of Hematology and Blood Transfusion
|June 23, 2026
PubMed
Summary

Plasma cells show varied forms, from typical to atypical, complicating diagnoses. Integrating morphology with clinical data is key for accurate plasma cell disorder diagnosis.

Keywords:
MorphologyMultiple myelomaPlasma cell

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In Vitro Differentiation Model of Human Normal Memory B Cells to Long-lived Plasma Cells
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Area of Science:

  • Hematology
  • Pathology
  • Cell Biology

Background:

  • Plasma cells display a wide range of morphologies, including mature, atypical, and anaplastic forms.
  • This morphological diversity presents diagnostic challenges, especially in differentiating reactive conditions from neoplastic plasma cell disorders.

Purpose of the Study:

  • To delineate the spectrum of plasma cell morphology.
  • To emphasize the critical role of integrating morphological assessment with clinical and laboratory findings for accurate diagnosis.

Main Methods:

  • Review of plasma cell morphology across various conditions.
  • Correlation of morphological features with clinical presentations and laboratory results.

Main Results:

  • Observed significant heterogeneity in plasma cell morphology.
  • Demonstrated that distinguishing reactive from neoplastic processes requires a multi-faceted diagnostic approach.

Conclusions:

  • Accurate diagnosis of plasma cell disorders relies on a comprehensive evaluation, combining detailed morphological analysis with clinical context and laboratory data.
  • Understanding the morphological spectrum is crucial for pathologists and hematologists in managing plasma cell-related conditions.