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Special Features of Adaptive Immunity

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The adaptive immune system, a crucial component of the overall immune response, offers a highly specialized defense against pathogens. It involves specific cell types and features, enabling it to combat infections effectively and efficiently.
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Related Experiment Video

Updated: Jun 17, 2026

Efficient Isolation Protocol for B and T Lymphocytes from Human Palatine Tonsils

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Published on: November 16, 2015

Is there a difference between T- and B-lymphocyte morphology?

Dmitry I Strokotov¹, Maxim A Yurkin, Konstantin V Gilev

¹Institute of Chemical Kinetics and Combustion, Siberian Branch RAS, Institutskaya 3, Novosibirsk, 630090, Russia.

Journal of Biomedical Optics

|January 12, 2010

Summary

This summary is machine-generated.

This study measured T- and B-lymphocyte morphology using light scattering. While B-lymphocytes showed larger diameters, the variation within cell types was greater than the difference between them.

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Area of Science:

Immunology
Biophysics
Optical Physics

Background:

T- and B-lymphocytes are crucial immune cells with distinct roles.
Understanding their physical characteristics is key for immunology and diagnostics.
Morphological differences can impact cellular function and identification.

Purpose of the Study:

To quantitatively characterize the morphology of T- and B-lymphocytes.
To compare physical parameters like cell diameter and refractive index.
To investigate the optical properties of lymphocytes using light scattering.

Main Methods:

Collected samples from multiple donors for T- and B-lymphocyte characterization.
Measured cell diameter, nucleus-to-cell diameter ratio, and refractive indices.
Utilized scanning flow cytometry to obtain light-scattering profiles.
Employed a coated sphere model and global optimization for signal inversion.

Main Results:

Identified larger mean diameters in B-lymphocytes compared to T-lymphocytes.
Observed that morphological differences were smaller than inherent biological variability.
Noted deviations between measured light-scattering profiles and the coated sphere model.

Conclusions:

Nuclear inhomogeneity is proposed as a factor influencing light-scattering deviations.
The study highlights the complexity of lymphocyte optical properties.
Further research is needed to refine optical models for accurate cell characterization.