INOTROPISM Meaning and
Definition
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Inotropism refers to the quality or property of being inotropic. Inotropy is a concept in physiology that describes the ability of the cardiac muscle to contract more forcefully or weakly, resulting in modulation of the heart's pumping strength. It is the capacity of the myocardium (heart muscle) to change its contractility, which affects the force of contraction and overall cardiac output.
Inotropism is primarily regulated by the autonomic nervous system and various hormones. Positive inotropism, often called positive inotropic effect, refers to an increase in myocardial contractility, leading to enhanced force of contraction and consequent augmented cardiac output. This effect is usually mediated by sympathomimetic agents such as adrenaline or noradrenaline.
Conversely, negative inotropism, also known as negative inotropic effect, leads to a decrease in the contractility of cardiac muscle, resulting in reduced force of contraction and diminished cardiac output. This effect is frequently associated with parasympathetic stimulation or specific drugs like beta-blockers.
Inotropism plays a crucial role in the regulation of heart function, influencing the heart's ability to pump blood effectively. It is vital for maintaining normal cardiac performance and ensuring adequate circulation throughout the body. Abnormal inotropism can contribute to conditions such as heart failure, arrhythmias, or other cardiovascular disorders. Thus, studying inotropism is essential for understanding cardiac physiology and the development of therapeutic strategies for managing heart diseases.
Common Misspellings for INOTROPISM
- unotropism
- jnotropism
- knotropism
- onotropism
- 9notropism
- 8notropism
- ibotropism
- imotropism
- ijotropism
- ihotropism
- initropism
- inktropism
- inltropism
- inptropism
- in0tropism
- in9tropism
- inorropism
- inofropism
- inogropism
- inoyropism
Etymology of INOTROPISM
The word "Inotropism" derives from the combination of two Greek roots: "ino" and "tropos".
The Greek root "ino" comes from the word "inon", which means "fiber" or "sinew". In medical terminology, it generally refers to muscle fibers.
The Greek root "tropos" means "turn" or "direction". It is derived from the Greek verb "trepein", which means "to turn". In medical language, it refers to the property or quality of turning or changing.
When combined, "ino" and "tropos" form the word "inotropism", which refers to the property or quality of altering the contraction force of muscle fibers, specifically cardiac muscle fibers.
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