The excitability of different tissues varies widely. Some tissues are highly excitable whereas others are dull. While considering the excitability of a tissue two factors are to be considered: (a) The strength of the current used, and (b) The duration of the current flowing through the tissue. These two factors bear an inverse relation. The […]
Chronaxie and Rheobase of Various Tissues | Muscles | Humans | Biology
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Visceral Muscle: Development and Histology | Tissues | Human | Biology
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In this article we will discuss about:- 1. Origin and Development of Visceral Muscle 2. Histology of Visceral Muscle 3. Distribution 4. Fine Structure 5. Blood Vessels, Lymphatics and Nerves. Origin and Development of Visceral Muscle: The smooth muscles are mesenchymal in origin. The mesenchymal cells first start to stretch out. The nucleus becomes elongated, […]
Cardiac Muscle: Development and Histology | Tissues | Human | Biology
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In this article we will discuss about:- 1. Origin and Development of Cardiac Muscle 2. Histology of Cardiac Muscle 3. Fine Structure 4. Blood Vessels, Lymphatics and Nerves 5. Metabolism. Origin and Development of Cardiac Muscle: Cardiac muscles in the embryo are originated from the mesenchymal tissue. They are formed of the splanchnopleure adjoining the […]
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