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What of the muscle tissue can sustain longer contraction?
smooth muscle
What is the medical term meaning contraction of the smooth muscle in the walls of the bronchi and bronchioles that tighten and squeeze the airway shut?
Bronchoconstriction or bronchospasm is the medical term that refers to the contraction of the smooth muscle in the walls of the bronchi and bronchioles that tighten and squeeze the airway shut.
A maximal sustained muscle contraction is called a?
tetanic contraction.
What conditions cause contractions of arteriole smooth muscle?
Asthma causes contraction of the bronchial smooth muscle.
What are the muscles that are slow in contraction and relaxation?
smooth muscle
What does noradrenaline do?
It can cause vascular smooth muscle contraction
What is the type of contraction that Peristalsis is seen in?
smooth muscle
Why is the endothelium smooth?
Because it is an involuntaru muscle contraction
Which muscle contraction does acetylcholine and norepinephrine affect?
Acetylcholine and norepinephrine both affect smooth muscle contraction. They stimulate contraction in some muscles and inhibits contraction in others.
The two neurotransmitters that affect smooth muscle cells are acetylcholine and?
norepinephrine. Acetylcholine mainly causes smooth muscle contraction, while norepinephrine can either cause contraction or relaxation depending on the type of receptor it binds to on the smooth muscle cell.
Dense bodies are characteristic of?
Dense bodies are characteristic of smooth muscle cells. These structures help anchor actin filaments in the cell and facilitate muscle contraction by linking adjacent cells. Dense bodies play a crucial role in the mechanical coordination of smooth muscle contraction.
How does the contraction mechanism of smooth muscle compare to that of skeletal muscle and cardiac muscle?
Smooth muscle, skeletal muscle, and cardiac muscle all contract in response to signals from the nervous system or hormones. However, the contraction mechanism of smooth muscle is different from that of skeletal and cardiac muscle. Smooth muscle contracts more slowly and can sustain contractions for longer periods of time compared to skeletal and cardiac muscle. Additionally, smooth muscle does not have striations like skeletal and cardiac muscle, which gives it a more uniform appearance.
