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The dense bodies and intermediate filaments are networked through the sarcoplasm, which cause the muscle fiber to contract. Smooth muscle is grouped into two types: single-unit smooth muscle, also known as visceral smooth muscle, and multiunit smooth muscle.
Cardiac muscle (also called heart muscle or myocardium) is one of three types of vertebrate muscle tissues, the others being skeletal muscle and smooth muscle.It is an involuntary, striated muscle that constitutes the main tissue of the wall of the heart.
The intercostal muscles comprise many different groups of muscles that run between the ribs, and help form and move the chest wall.The intercostal muscles are mainly involved in the mechanical aspect of breathing by helping expand and shrink the size of the chest cavity.
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As a Democrat who immersed himself in political news during the presidential campaign, Ziad Aunallah has much in common with many Americans since the election. Television ratings — and now a new ...
A number of leading economists, including advisers to past U.S. presidents, have coalesced around the view that President-elect Donald Trump's plans to broaden tariffs, cut taxes and curb ...
In this week’s episode of The Kevin O'Connor Show, Kevin is joined by Tate Frazier to dive deep into the biggest storylines in college basketball, with an eye on the 2024 NBA Draft. They break ...
An inotrope [help 1] or inotropic is a drug or any substance that alters the force or energy of muscular contractions.Negatively inotropic agents weaken the force of muscular contractions.