Histology of
Blood Cells, Cardiac Muscle, Blood
Vessels and Lymphatics
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Histology of Blood Cells, Cardiac Muscle, Blood Vessels and Lymphatics, Study Guides, Projects, Research of Histology
An in-depth exploration of the histology of various structures in the human body, including formed elements of blood (erythrocytes, leukocytes, and platelets), cardiac muscle (myocardium), and the structure of blood vessels and lymphatics. detailed descriptions and illustrations of each component, such as the layers of blood vessels (Tunica Intima, Media, and Adventitia) and the structure of a lymph node.
What you will learn
- What is the function of the Tunica Intima in blood vessels?
- What cells are found in the germinal centers of a lymph node?
- What is the difference between a lymph vessel and a small vein?
- How does the smooth muscle in the Tunica Media of blood vessels contribute to vasoconstriction and vasodilation?
- What are the three main types of formed elements in blood?
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Histology of
Blood Cells, Cardiac Muscle, Blood
Vessels and Lymphatics
Formed Elements of Blood
- Formed Elements = Erythrocytes, Leukocytes, Platelets
- Non-formed Elements = Plasma
erythrocyte
neutrophil eosinophil
basophil
lymphocyte
monocyte
platelets
Two eosinophils.
A neutrophil and a monocyte.
A monocyte, neutrophil, lymphocyte, and basophil.
A monocyte
One small lymphocyte, a larger lymphocyte and an eosinophil.
An eosinophil and small lymphocyte.
platelets.
Cardiac Muscle = Myocardium
The Structure of Blood Vessels
- Tunica Interna (also called the Tunica Intima)
- smooth inner layer that repels blood cells and platelets
- endothelium of simple squamous cells on a basement membrane
- Tunica Media
- middle layer of smooth muscle, collagen, elastic fibers
- smooth muscle causes vasoconstriction and vasodilation
- Tunica Externa (also called the Tunica Adventitia)
- outermost layer of loose connective tissue
- holds vessels in place