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Overview of Blood Vessels and Lymphatic Structures in Histology

This unit explores the various types of blood vessels, including arteries, arterioles, veins, and capillaries, as well as their structural components such as tunica externa, tunica media, and tunica intima. It also delves into the anatomy of lymphatic structures, including lymph nodes, tonsils, and the spleen. Key cellular components such as megakaryocytes, neutrophils, lymphocytes, and monocytes are discussed, highlighting their roles in the circulatory and immune systems. Understanding these structures is crucial for comprehending human histology and pathology.

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Overview of Blood Vessels and Lymphatic Structures in Histology

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  1. Mt SAC Histology Unit 4

  2. ARTERY

  3. ARTERIOLE

  4. VEIN 

  5. VENUOLE

  6. CAPILLARY

  7. Venuole Arteriole

  8. Nerve Artery Vein

  9. Artery Tunica externa Tunica media Tunica intima

  10. Artery Tunica externa Inner elastic membrane of tunica intima Tunica media

  11. Tunica externa Tunica media Tunica intima Vein

  12. Tunica externa Tunica media Tunica intima Vein

  13. Vein Tunica externa Tunica intima Tunica media

  14. Nerve

  15. Nerve

  16. Aorta Tunica intima Tunica media

  17. Aorta Tunica intima Tunica media

  18. Spongy bone Red bone marrow Trabeculae

  19. Red bone marrow Megakaryocyte

  20. Neutrophil (nucleus has several lobes)

  21. Lymphocyte(nucleus is dark and takes up almost whole cell; almost no cytoplasm seen)

  22. Monocyte (larger cell, horseshoe shaped nucleus)

  23. Basophil

  24. Lymphocyte and Neutrophil

  25. Lymphocyte and Neutrophil

  26. Monocyte, Lymphocyte, Neutrophil

  27. Lymphocyte Neutrophil Monocyte Red blood cells

  28. Neutrophil Platelets Red blood cells

  29. Lymphocytes

  30. Lymphocytes

  31. Neutrophil Lymphocyte

  32. Monocyte

  33. Lymph Vessels Valve in lymph vessel

  34. Valve in lymph vessel

  35. Lymph Node Lymphatic nodules

  36. Lymph Node Lymphatic nodule

  37. Tonsil

  38. Tonsil Primary crypt Lymphatic nodules

  39. Lymphatic nodule Tonsil Epithelium Primary crypt

  40. Tonsil Primary crypt Lymphatic nodule Epithelium

  41. Tonsil Lymphatic nodule Epithelium Primary crypt

  42. Tonsil Primary crypt Lymphatic nodule Epithelium

  43. Spleen

  44. Spleen Red pulp White pulp Blood vessel

  45. Blood vessels Spleen Red pulp White pulp

  46. Spleen Red pulp White pulp Blood vessel

  47. Spleen Red pulp

  48. Spleen Red pulp

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