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The internal jugular vein is a paired jugular vein that collects blood from the brain and the superficial parts of the face and neck. This vein runs in the carotid sheath with the common carotid artery and vagus nerve. It begins in the posterior compartment of the jugular foramen, at the base of the skull.
The jugular vein is the subject of an idiom in the English language: "to go for the jugular" means to attack decisively at the weakest point. However, this phrase is anatomically inaccurate, as the jugular is not the most critical or vulnerable point in the cardiovascular system.
Catheter placement in one of the big veins (Subclavian vein, Internal jugular vein or femoral vein) is routinely done to monitor central venous pressure (CVP), to administer long term intravenous medication and parenteral nutrition in critically sick patients. The subclavian vein is the preferred choice for this purpose because it is most ...
The carotid sheath is a condensation of the deep cervical fascia [1]: 578 enveloping multiple vital neurovascular structures of the neck, [2] including the common and internal carotid arteries, the internal jugular vein, the vagus nerve (CN X), and ansa cervicalis. [1]: 578 [2] The carotid sheath helps protects the structures contained therein. [2]
The triangle of Farabeuf is bounded by the internal jugular vein (posterior), common facial vein (anterior-inferior) and hypoglossal nerve (anterior-superior). The jugulodigastric lymph node is commonly found within these boundaries, and drains the pharyngeal tonsil. The triangle had surgical significance in the late 19th century but now serves ...
Veins of brainstem; Cerebellar veins; Orbital veins Superior ophthalmic vein. Nasofrontal vein; Ethmoidal veins; Lacrimal vein; Vorticose veins; Ciliary veins; Central retinal vein; Episcleral vein; Inferior ophthalmic vein; Azygos vein. Posterior intercostal veins. Intervertebral vein; Veins of vertebral column Anterior internal vertebral ...
The pharyngeal veins commence in the pharyngeal plexus superficial to the pharynx. The pharyngeal veins receive as tributaries meningeal vein, and the vein of the pterygoid canal. The pharyngeal veins typically empty into the internal jugular vein (but may occasionally instead empty into the facial vein, lingual vein, or superior thyroid vein). [1]
Kussmaul's sign is a paradoxical rise in jugular venous pressure (JVP) on inspiration, or a failure in the appropriate fall of the JVP with inspiration. It can be seen in some forms of heart disease and is usually indicative of limited right ventricular filling due to right heart dysfunction.