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What is the difference between atria and atrium?
The term "atria" refers to the plural form of the word "atrium," which is a chamber of the heart that receives blood from the veins. The atria are the upper chambers of the heart, while the ventricles are the lower chambers responsible for pumping blood out of the heart.
4 hollow sections of the heart?
They are the right ventricle, left ventricle, right atrium, and left atrium. For more details you can take a look here: http://heartdisease.about.com/cs/starthere/a/chambersvalves.htm http://www.revolutionhealth.com/articles/chambers-of-the-heart/tp10241
What system does the atrium belong to?
The atrium belongs to the cardiovascular system, which is responsible for circulating blood throughout the body. The atrium is a chamber within the heart that receives blood from the body and sends it to the ventricles for pumping to the lungs or rest of the body.
What are the Ridges in anterior wall of the right atrium called?
The ridges in the anterior wall of the right atrium are called pectinate muscles or pectinate ridges. These muscular ridges are important for increasing the surface area of the atrium to allow for more efficient contraction and blood flow.
Which chamber receives blood returning from the body?
Which chamber receives blood from the right atrium?
Is atria singular or plural?
Atria is plural for Atrium. You have your (rt)Atrium and (lt)Atrium
Is atrium plural or singular?
Atrium is singular - the plural is atria.
What is the plural form of atria?
Atria is the plural for of atrium. Not the other way around.
What is the plural form for atrium?
The plural form of the word atrium is atria. The atria are the two upper cavities of the heart from which blood is passed to the ventricles.
What are the top two chambers of the heart called?
The Atria and Atrium
Where is the atrium biologically?
The right atrium and left atrium (plural atria) are the upper chambers of the heart. They are superior to the right and left ventricles, respectively.
What is the plural form of the word atrium?
Since it is a Latin word the proper plural rendering would be "atria." Some dictionaries simply add an -s to "atrium," though it doesn't sound right.
What do you call more than one atrium?
More than one atrium is called "atria." The term "atria" is the plural form of atrium.
What are the upper chambers of the mammalian heart called?
the upper chambers of the heart are called the atria. (or atrium singular)
What is the difference between atria and atrium?
The term "atria" refers to the plural form of the word "atrium," which is a chamber of the heart that receives blood from the veins. The atria are the upper chambers of the heart, while the ventricles are the lower chambers responsible for pumping blood out of the heart.
What do you call the upper section of one side of heart?
The atrium. (Plural: atria.)
What are the upper two chambers of the heart known as?
The upper two chambers of the heart are the right atrium or auricle, and the left atrium or auricle.
