Internal Jugular Vein

Internal Jugular Vein

Question 1. Formation & termination of internal jugular vein
Answer:

Formation:

• It is downward continuation of Sigmoid sinus at the lower border of the jugular foramen

Termination:

• It ends by joining the Subclavian vein to form the brachiocephalic vein behind medial end of the clavicle

“Understanding the internal jugular vein through FAQs: Composition, functions, and uses explained”

Question 2. Scalenus anterior muscle
Answer:

Scalenus anterior muscle:

• It is a paravertebral muscle

Origin:

• Anterior tubercles of transverse processes of cervical vertebrae 3, 4, 5 & 6

Insertion:

• Scalenus tubercle & adjoining ridge on the superior surface of first rib

Actions:

• Anterolateral flexion of cervical spine
• Rotates cervical spine to opposite side
• Elevates the first rib during inspiration
• Stabilizes the neck along with other muscles

“Importance of studying the internal jugular vein for medical students: Questions explained”

Question 3. Little’s area
Answer:

• It is common site of epitaxis
• It is an area of formation of large capillary network called the Kiesselbach’s plexus
• It is formed by anastomosis of five arteries
  • Sphenopalatine artery
  • Superior labial branch of facial artery
  • Anterior ethmoidal artery
  • Greater palatine artery
  • Nasal branches of facial artery

“Common challenges in mastering internal jugular vein notes effectively: FAQs provided”

Question 4. Muscles attached to styloid process
Answer:

“Factors influencing success with internal jugular vein studies: Q&A”

Question 5. Ligaments of styloid process
Answer:

“Steps to explain functions of the internal jugular vein: Venous drainage vs pressure regulation: Q&A guide”