Superior thoracic aperture

High school (ages 12+)
Human Body

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/superior-thoracic-aperture

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the clinical syndrome associated?Thoracic Outlet Syndrome (TOS), encompassing neurogenic, venous, and arterial forms
2. What is the diagnostic modalities for TOS?Provocative physical maneuvers, X-ray, Doppler ultrasound, venography, arteriography, MRI, CT scan
3. Which parts of the body form the borders of this doorway?The back is the first thoracic vertebra, the sides are the first ribs, and the front is the manubrium of the sternum.
4. Which important things travel through the superior thoracic aperture?The trachea, esophagus, big blood vessels like the subclavian arteries and veins, the superior vena cava, and nerves such as the phrenic and vagus all travel through it.

Thoracic Cavity: The space enclosed by the ribs, sternum, and thoracic vertebrae, housing the heart and lungs.
Brachial Plexus: A network of nerves originating from the spinal cord that controls the muscles of the shoulder, arm, and hand.
Homeostasis: The body's ability to maintain a stable internal environment despite external changes.