Intercostal space
Intercostal Space
Intercostal space (pronounced: in-ter-kos-tal space) is a term used in anatomy to describe the space located between two adjacent ribs.
Etymology
The term "intercostal" is derived from the Latin words "inter", meaning between, and "costa", meaning rib. Therefore, "intercostal" literally translates to "between the ribs".
Definition
The intercostal space is the anatomical space between two adjacent ribs. There are typically 11 intercostal spaces on each side of the human body, each containing an intercostal muscle, intercostal nerve, and intercostal vessels (including both arteries and veins).
Function
The primary function of the intercostal space is to allow for the expansion and contraction of the thoracic cavity during respiration. The intercostal muscles within these spaces play a crucial role in this process.
Related Terms
- Intercostal muscles: These are several groups of muscles that run between the ribs, and help form and move the chest wall.
- Intercostal nerves: These are part of the peripheral nervous system, and they arise from the anterior rami of the thoracic spinal nerves from T1 to T11.
- Intercostal vessels: These include the intercostal arteries and veins that supply blood to the areas between the ribs.
See Also
External links
- Medical encyclopedia article on Intercostal space
- Wikipedia's article - Intercostal space
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