Lymph node Histology Slide Identification Points

Under The Light Microscopic View 

Certainly! Let's dive into a detailed exploration of lymph node histology slide identification, elucidating key points with precision:

1. Capsule:

   - The outermost layer of dense connective tissue surrounding the lymph node, providing structural support.

2. Subcapsular Sinus:

   - The space between the capsule and the cortex, where afferent lymphatic vessels converge and lymph first enters the lymph node.

3. Trabeculae

   - Extensions of the capsule that penetrate the lymph node, dividing it into compartments and conveying blood vessels and nerves.

4. Cortex:

   - The outer region of the lymph node containing follicles with germinal centers, where B cells proliferate and differentiate.

5. Primary Follicles:

   - B-cell aggregates without a germinal center, representing resting or inactive B cells.

6. Secondary Follicles (Germinal Centers):

   - B-cell-rich areas within follicles where rapid proliferation, somatic hypermutation, and affinity maturation occur during an immune response.

7. Paracortex:

   - The region between the cortex and the medulla, enriched with T cells and high endothelial venules (HEVs) facilitating lymphocyte entry.

8. Medulla:

   - The innermost region of the lymph node containing medullary cords and medullary sinuses.

9. Medullary Cords:

   - Extensions of lymphoid tissue into the medulla, containing plasma cells, macrophages, and activated lymphocytes.

10. Medullary Sinuses:

    - Spaces within the medulla through which lymph drains toward the efferent lymphatic vessels.

11. Hilum:

    - The depression on the lymph node surface where efferent lymphatic vessels exit, along with blood vessels and nerves.

12. Afferent Lymphatic Vessels:

    - Vessels bringing lymph into the lymph node, entering through the subcapsular sinus.

13. Efferent Lymphatic Vessels:

    - Vessels carrying filtered lymph away from the lymph node, exiting through the hilum.

By meticulously recognizing and understanding these histological features, one can gain profound insights into the organization and functional aspects of lymph nodes in the immune system.

Click here to watch full videos on YouTube channel ikrambaig@tech

 Written By: IkrambaigTech

Youtube Video

 Facebook Page Focus

LinkedIn Page

Pinterest Page

Quora Page

Telegram Channel

Stay Tune Website For More Update