Jugular Vein

Information about Jugular Vein

*Vein:*

The veins of the neck, viewed from in front.
	subject #168 646
Drains to	superior vena cava
MeSH	Jugular+Veins

The jugular veins are veins that bring deoxygenated blood from the head back to the heart via the superior vena cava.

Internal and external

There are two sets of jugular veins: external and internal.

The internal jugular vein is formed by the anastomosis of blood from the sigmoid sinus of the dura mater and the common facial vein. The internal jugular runs with the common carotid artery and vagus nerve inside the carotid sheath. It provides venous drainage for the contents of the skull.
The external jugular runs superficially to sternocleidomastoid.

Both connect to the brachocephalic veins, the external jugular joining more laterally than the internal. The brachicephalic veins then join the subclavian veins from both sides then join to form the superior vena cava.^[1]

There is also another, minor, jugular vein, the anterior jugular vein, draining the the submaxillary region.

Cultural references

The jugular vein is the major point of damage when performing Jigai, a traditional way for Japanese women to commit suicide. This method was most commonly used because of its quick, painless, and certain outcome.
In popular culture, the jugular is stereotypically what dogs and other animals are thought to go after with the intent of killing another animal, generally because of the awareness that it will incapacitate the opponent with little effort. In reality the injury that does this is to the carotid artery, as the flow from venial bleeding is easily stopped.
It is also the Islamic method of slaughtering animals. Muslims traditionally pronounce "God is Great" before pulling a sharpened blade from a concealed place, and then slicing through both veins in the neck, as this numbs creatures and brings about instant death. The resulting Halal meat is made from the animal to consume after all the blood is drained from the openings.

Additional images

Human embryo of about fourteen days, with yolk-sac.

Human embryo with heart and anterior body-wall removed to show the sinus venosus and its tributaries.

References

1. ^ [1]

The superior vena cava is a large, yet short vein that carries de-oxygenated blood from the upper half of the body to the heart's right atrium.

It is formed by the left and right brachiocephalic veins, (also referred to as the innominate veins) which receive blood from the
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Medical Subject Headings (MeSH) is a huge controlled vocabulary (or metadata system) for the purpose of indexing journal articles and books in the life sciences. Created and updated by the United States National Library of Medicine (NLM), it is used by the MEDLINE/PubMed
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vein is a blood vessel that carries blood toward the heart. The majority of veins in the body carry low-oxygen blood from the tissues back to the heart; the exceptions being the pulmonary and umbilical veins which both carry oxygenated blood.
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head of an animal is the rostral part (from anatomical position) that usually comprises the brain, eyes, ears, nose, and mouth (all of which aid in various sensory functions, such as sight, hearing, smell, and taste).
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The internal jugular vein collects the blood from the brain, from the superficial parts of the face, and from the neck.

Path

It is directly continuous with the sigmoid sinus, and begins in the posterior compartment of the jugular foramen, at the base of the skull.
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Anastomosis (plural anastomoses) refers to a form of network in which streams both branch out and reconnect. The term is used in medicine, biology, and geology.

Medicine

Anastomosis is the surgical connection of two structures.
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The sigmoid sinuses (left & right), within a human head, are 2 areas beneath the brain, which allow blood veins to span the area, from the center of the head downward. They drain from the transverse sinuses (under the back of the brain) to the internal jugular vein.
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The dura mater (from the Latin "hard mother"), or pachymeninx, is the tough and inflexible outermost of the three layers of the meninges surrounding the brain and spinal cord. (The other two meningeal layers are the pia mater and the arachnoid mater.
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The anterior facial vein usually unites with the posterior facial vein to form the common facial vein, which crosses the external carotid artery and enters the internal jugular vein at a variable point below the hyoid bone.
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In human anatomy, the common carotid artery is an artery that supplies the head and neck with oxygenated blood; it divides in the neck to form the external and internal carotid arteries.
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The vagus nerve (also called pneumogastric nerve or cranial nerve X) is the tenth of twelve paired cranial nerves, and is the only nerve that starts in the brainstem (within the medulla oblongata) and extends, through the jugular foramen, down below the head, to the
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The carotid sheath is an anatomical term for the fibrous connective tissue that surrounds the internal carotid artery and related structures in the neck.

Structure

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skull is a bony structure found in many animals which serves as the general framework for the head. The skull supports the structures of the face and protects the head against injury.

The skull can be subdivided into two parts: the cranium and the mandible.
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The external jugular vein receives the greater part of the blood from the exterior of the cranium and the deep parts of the face, being formed by the junction of the posterior division of the posterior facial with the posterior auricular vein.
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In human anatomy, the sternocleidomastoid (pronounced /ˌstɚ.noˌkli.dəˈmæs.tɔɪ̯d/) muscles are anterior muscles in the neck that act to flex and rotate the head.
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In human anatomy, the subclavian veins are two large veins, one on either side of the body. Its diameter is approximately that of a man's small finger. It is divided into right and left subclavian vein.
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The anterior jugular vein begins near the hyoid bone by the confluence of several superficial veins from the submaxillary region.

It descends between the median line and the anterior border of the Sternocleidomastoideus, and, at the lower part of the neck, passes beneath
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Jigai (自害) was a traditional method of ritual suicide for women in Japan. Although the term literally means "self damage" and in principle can refer to suicide in general, in practice it normally refers to the ritual suicide of women by the cutting of the jugular vein
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C. l. familiaris

Trinomial name
Canis lupus familiaris
(Linnaeus, 1758)

The dog (Canis lupus familiaris) is a domestic subspecies of the wolf, a mammal of the Canidae family of the order Carnivora.
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takbīr or takbeer (تَكْبِير) is the Arabic name for the phrase
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Halal (حلال, ḥalāl, halaal) is an Arabic term meaning "permissible".
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