Venae cavae - Revision history

Prab at 01:09, 17 March 2025

2025-03-17T01:09:40Z

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	~~'''Venae cavae''' are two large~~ veins ~~that return deoxygenated blood from~~ the body back to the heart. The term "venae cavae" is derived from the Latin words "vena", meaning "vein", and "cava", meaning "hollow". The two veins are the [[superior vena cava]] and the [[inferior vena cava]], which carry blood from the upper and lower parts of the body, respectively.		{{Short description\|Major veins in the human body}}
			{{Use dmy dates\|date=October 2023}}

	~~==Etymology==~~		The '''vena cavae''' are two large [[veins]] (the [[superior vena cava]] and the [[inferior vena cava]]) that carry [[deoxygenated blood]] from the body back to the [[heart]]. They are essential components of the [[circulatory system]].
	The ~~term "venae~~ cavae~~" is derived from~~ the ~~Latin words "~~vena~~", meaning "vein",~~ and "cava~~", meaning "hollow". This is in reference to the large, hollow structure of these veins, which allows for the transport of large volumes of~~ deoxygenated blood back to the heart.

	==~~Superior vena cava~~==		==Structure==
	The [[superior vena cava]] is one of the two main veins in the human body. It carries deoxygenated blood from the upper half of the body back to the heart. The superior vena cava is formed by the left and right [[brachiocephalic veins]], also known as innominate veins, which receive blood from the upper limbs and the head and neck.

	==Inferior vena cava==		===Superior vena cava===
	The [[inferior vena cava]] is the ~~other main~~ vein in the human body. It carries ~~deoxygenated~~ blood from the lower half of the body ~~back to the heart~~. The inferior vena cava is ~~formed by~~ the ~~union~~ of the ~~left and right~~ [[~~common iliac veins~~]] and ~~brings~~ blood ~~back~~ from the lower limbs and the ~~pelvic~~ and ~~abdominal organs~~.		The [[superior vena cava]] is a large, short vein that receives venous return from the upper half of the body, above the [[diaphragm]]. It is formed by the left and right [[brachiocephalic veins]] and drains into the [[right atrium]] of the heart. The superior vena cava is located in the [[thoracic cavity]] and is approximately 7 cm long.

			===Inferior vena cava===
			The [[inferior vena cava]] is the largest vein in the human body. It is formed by the joining of the left and right [[common iliac veins]] and carries blood from the lower half of the body. The inferior vena cava ascends through the [[abdomen]] and the [[thorax]] to enter the right atrium of the heart. It is located to the right of the [[aorta]] and is approximately 22 cm long.

			==Function==
			The primary function of the vena cavae is to return deoxygenated blood to the heart. The superior vena cava collects blood from the head, neck, upper limbs, and upper torso, while the inferior vena cava collects blood from the lower limbs, pelvis, and abdomen. This blood is then pumped into the right atrium, from where it is sent to the [[right ventricle]] and then to the [[lungs]] for oxygenation.

	==Clinical significance==		==Clinical significance==
	The ~~venae~~ cavae are ~~crucial components of the circulatory system~~. Conditions ~~that affect the venae cavae can have serious implications for health. For example,~~ [[superior vena cava syndrome]] ~~is a condition where the flow of blood through~~ the superior vena cava is obstructed, leading to ~~a range of~~ symptoms ~~including shortness of breath and swelling of the upper body~~. ~~Similarly, an [[~~inferior vena cava ~~syndrome~~]] can ~~result from obstruction of the inferior vena cava, leading~~ to ~~swelling of~~ the ~~lower body~~.		The vena cavae are critical for maintaining proper blood circulation. Conditions such as [[superior vena cava syndrome]] can occur when the superior vena cava is obstructed, leading to swelling and other symptoms. The inferior vena cava can be affected by conditions such as [[deep vein thrombosis]], which can lead to [[pulmonary embolism]] if a clot travels to the lungs.

	==~~See also~~==		==Related pages==
			* [[Circulatory system]]
			* [[Heart]]
	* [[Vein]]		* [[Vein]]
	* [[~~Heart~~]]		* [[Superior vena cava]]
	* [[~~Circulatory system~~]]		* [[Inferior vena cava]]

	==References==		==References==
	~~<references />~~		* Gray, Henry. ''Gray's Anatomy: The Anatomical Basis of Clinical Practice''. 41st edition. Elsevier.
			* Moore, Keith L., et al. ''Clinically Oriented Anatomy''. 7th edition. Lippincott Williams & Wilkins.

	~~{{stub}}~~		[[File:Diagram_of_the_human_heart_(cropped).svg\|thumb\|Diagram of the human heart showing the vena cavae]]

	[[Category:~~Anatomy~~]]		[[Category:Veins of the torso]]
	[[Category:Cardiovascular system]]		[[Category:Cardiovascular system]]
	~~[[Category:Veins]]~~

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2024-02-19T23:17:36Z

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'''Venae cavae''' are two large veins that return deoxygenated blood from the body back to the heart. The term "venae cavae" is derived from the Latin words "vena", meaning "vein", and "cava", meaning "hollow". The two veins are the [[superior vena cava]] and the [[inferior vena cava]], which carry blood from the upper and lower parts of the body, respectively.

==Etymology==
The term "venae cavae" is derived from the Latin words "vena", meaning "vein", and "cava", meaning "hollow". This is in reference to the large, hollow structure of these veins, which allows for the transport of large volumes of deoxygenated blood back to the heart.

==Superior vena cava==
The [[superior vena cava]] is one of the two main veins in the human body. It carries deoxygenated blood from the upper half of the body back to the heart. The superior vena cava is formed by the left and right [[brachiocephalic veins]], also known as innominate veins, which receive blood from the upper limbs and the head and neck.

==Inferior vena cava==
The [[inferior vena cava]] is the other main vein in the human body. It carries deoxygenated blood from the lower half of the body back to the heart. The inferior vena cava is formed by the union of the left and right [[common iliac veins]] and brings blood back from the lower limbs and the pelvic and abdominal organs.

==Clinical significance==
The venae cavae are crucial components of the circulatory system. Conditions that affect the venae cavae can have serious implications for health. For example, [[superior vena cava syndrome]] is a condition where the flow of blood through the superior vena cava is obstructed, leading to a range of symptoms including shortness of breath and swelling of the upper body. Similarly, an [[inferior vena cava syndrome]] can result from obstruction of the inferior vena cava, leading to swelling of the lower body.

==See also==
* [[Vein]]
* [[Heart]]
* [[Circulatory system]]

==References==
<references />

{{stub}}

[[Category:Anatomy]]
[[Category:Cardiovascular system]]
[[Category:Veins]]