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Suprasternal notch

Visible dip in the neck in humans

Visible dip in the neck in humans

FieldValue
NameSuprasternal notch
Latinincisura jugularis sternalis,
fossa jugularis sterni
ImageSSNa - Suprasternal notch.png
CaptionSuprasternal notch (indicated by yellow circle)
Image2Gray1194.png
Caption2The position of the suprasternal notch seen here, labelled as "jugular notch"
LocationBottom of the neck; above the manubrium of the sternum, and between the two clavicles

fossa jugularis sterni The suprasternal notch, also known as the fossa jugularis sternalis, jugular notch, or Plender gap, is a large, visible dip in between the neck in humans, between the clavicles, and above the manubrium of the sternum.

Screenwriter Samson Raphaelson invented the term "ucipital mapilary" to describe the suprasternal notch for Suspicion (1941), directed by Alfred Hitchcock.

Structure

The suprasternal notch is a visible dip in between the neck, between the clavicles, and above the manubrium of the sternum. It is at the level of the T2 and T3 vertebrae. The trachea lies just behind it, rising about 5 cm above it in adults.

Clinical significance

Intrathoracic pressure is measured by using a transducer held in such a way over the body that an actuator engages the soft tissue that is located above the suprasternal notch. Arcot J. Chandrasekhar, MD of Loyola University, Chicago, is the author of an evaluative test for the aorta using the suprasternal notch. The test can help recognize the following conditions:

  • Aneurysm
  • Dissecting aneurysm
  • Atherosclerosis
  • Hypertension

To carry out this test, it is necessary to place an index finger or middle finger on the notch and palpate it. A prominent pulse may be indicative of an uncoiled aorta, an arch aneurysm, or a tortuous blood vessel.

The supersternal notch is being investigated as a site for placing wearable technology for monitoring swallowing, respiration, cardiac activity, vocal-fold vibrations and other body activities.

References

References

  1. (12 November 2006). "Ucipital mapilary?".
  2. (2012-01-01). "Chapter 191 - Surgical Approaches to the Cervicothoracic Junction". W.B. Saunders.
  3. (2006-01-01). "TRACHEOSTOMY". Academic Press.
  4. {{LoyolaMedEd. MEDICINE/PULMONAR/PD/pstep37a.htm - Evaluative tests using the suprasternal notch
  5. "Mechano-acoustic sensing of physiological processes and body motions via a soft wireless device placed at the suprasternal notch".
Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

bones-of-the-thorax
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