jugular

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jugular

 [jug´u-lar]
1. cervical (def. 1).
2. pertaining to a jugular vein.
3. a jugular vein.
jugular veins large veins that return blood to the heart from the head and neck; each side of the neck has two jugular veins, external and internal. The external jugular carries blood from the face, neck, and scalp and has two branches, posterior and anterior. The internal jugular vein receives blood from the brain, the deeper tissues of the neck and the interior of the skull. The external jugular vein empties into the subclavian vein, and the internal jugular vein joins it to form the brachiocephalic vein, which carries the blood to the superior vena cava, where it continues to the heart. If one of these veins is severed, rapid loss of blood will result and air may enter the circulatory system. In such a case, a compress should be applied to the wound with pressure. See anatomic Table of Veins in the Appendices and see color plates.
Location of the internal and external jugular veins. From Polaski and Tatro, 1996.

jug·u·lar

(jŭg'yū-lăr),
1. Relating to the throat or neck.
2. Relating to the jugular veins.
3. A jugular vein.
[L. jugulum, throat]

jugular

/jug·u·lar/ (jug´u-lar)
2. pertaining to a jugular vein.
3. a jugular vein.

jugular

(jŭg′yə-lər)
adj.
Of, relating to, or located in the region of the neck or throat.
n.
1. A jugular vein.
2. The most vital part: a strategic attack aimed at the enemy's jugular.

jugular

[jug′yələr]
Etymology: L, jugulum, neck
1 adj, pertaining to or involving the throat.
2 n,
Usage notes: (informal)
the jugular vein.

jug·u·lar

(jŭg'yū-lăr)
1. Relating to the throat or neck.
2. Relating to the jugular veins.
3. A jugular vein.
[L. jugulum, throat]

jugular

Pertaining to the throat or neck.

jugular

of or relating to the throat or neck, particularly the jugular veins, internal and external, that carry blood from the head to the anterior vena cava and hence to the heart.

jugular,

adj relating to the neck or throat regions.

jugular

1. pertaining to the neck.
2. one of the jugular veins.

jugular furrow
the groove on each side of the neck in which the jugular vein can be located. Lies dorsal to the trachea.
jugular inlet
the depression at the base of the neck where the jugular vein passes medial to the first rib. Examination of the inlet is valuable because it is possible to determine the activity and efficiency of the right atrium and the patency of the jugular vein by observing the movements of the vein's wall.
jugular vein distention
see jugular vein engorgement (below).
Enlarge picture
External jugular vein in the dog. By permission from McCurnin D, Poffenbarger EM, Small Animal Physical Diagnosis and Clinical Procedures, Saunders, 1991
jugular vein engorgement
is a clinical indicator of obstruction to the return of blood to the right atrium, e.g. because of congestive heart failure or space-occupying lesion in the anterior thorax.
jugular veins
two pairs of large veins, internal and external, that return blood to the heart from the head and neck.