Spatium
Encyclopedia
A spatium is a space in anatomy. They are often landmarks to find other important structures. Examples include:
- Axillary spaceAxillary spaceThe axillary space is an anatomic space, bounded by teres major muscle, teres minor muscle and humerus. Furthermore, it is split into two parts, the lateral and medial, by the long head of triceps brachii muscle.-Medial axillary space:...
- Retropharyngeal spaceRetropharyngeal spaceThe retropharyngeal space is a space bounded by the buccopharyngeal fascia anteriorly and the alar fascia posteriorly.It includes the retropharyngeal lymph nodes....
- Retropubic spaceRetropubic spaceRetropubic space is the extraperitoneal space between the pubic symphysis and urinary bladder.It is also known as "Retzius' space", after Anders Retzius....
- Epidural spaceEpidural spaceIn the spine, the epidural space is the outermost part of the spinal canal. It is the space within the canal lying outside the dura mater...
- Subdural spaceSubdural spaceThe subdural space is an artificial space created by the separation of the arachnoid mater from the dura mater as the result of trauma, pathologic process, or the absence of cerebrospinal fluid as seen in a cadaver. In the cadaver, due to the absence of cerebrospinal fluid, the arachnoid mater...
- Subarachnoid spaceSubarachnoid spaceIn the central nervous system, the subarachnoid cavity is the interval between the arachnoid membrane and pia mater....
- Retroperitoneal spaceRetroperitoneumThe retroperitoneal space is the anatomical space in the abdominal cavity behind the peritoneum. It has no specific delineating anatomical structures...
- Intercostal spaceIntercostal spaceThe intercostal space is the space between two ribs . Since there are 12 ribs on each side, there are 11 intercostal spaces, each numbered for the rib superior to it.-Structures in intercostal space:* several kinds of intercostal muscle...