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Questions and Answers
What is the superior boundary of the intercostal spaces?
What is the superior boundary of the intercostal spaces?
What is the primary function of the intercostal muscles?
What is the primary function of the intercostal muscles?
What type of vessels can be found in the intercostal spaces?
What type of vessels can be found in the intercostal spaces?
What is a potential consequence of injuries or damage to the intercostal spaces?
What is a potential consequence of injuries or damage to the intercostal spaces?
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What is the medial boundary of the intercostal spaces?
What is the medial boundary of the intercostal spaces?
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What is one of the organs protected by the intercostal spaces?
What is one of the organs protected by the intercostal spaces?
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Study Notes
Intercostal Spaces
Definition
- Intercostal spaces are the areas between the ribs, extending from the vertebrae in the back to the sternum in the front.
Boundaries
- The intercostal spaces are bounded by:
- Superiorly: The rib above
- Inferiorly: The rib below
- Medially: The costal cartilages
- Laterally: The lateral border of the thoracic cavity
Contents
- The intercostal spaces contain:
- Intercostal muscles (externi, interni, and intimi)
- Intercostal nerves (T1-T11)
- Intercostal arteries and veins
- Lymphatic vessels
Functions
- The intercostal spaces play a crucial role in:
- Respiration: The intercostal muscles assist in expanding and contracting the thoracic cavity during breathing.
- Protection: The intercostal spaces help protect the underlying organs, such as the heart and lungs.
Clinical Significance
- Injuries or damage to the intercostal spaces can lead to:
- Intercostal neuralgia (pain in the chest or abdomen)
- Intercostal muscle strain
- Rib fractures or costal cartilage damage
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Description
Learn about the definition, boundaries, contents, and functions of intercostal spaces, as well as their clinical significance. Understand the role of intercostal spaces in respiration and protection, and the consequences of injuries or damage to these areas.
