DISCLAIMER: We recommend viewing this tool on a desktop computer or tablet. When viewing this tool on a mobile phone, functions such as the pop-up information icons may not be available. Please refer to the desktop version on AARP.org for the full experience.
In human anatomy, the cephalic vein (also known as the antecubital vein)is a superficial vein of the upper limb. It communicates with the basilic vein via the median cubital vein at the elbow and is located in the superficial fascia along the anterolateral surface of the biceps brachii muscle.ermanent pacemaker leads are often placed in the cephalic vein in the deltopectoral groove. The vein may be used for intravenous access, and is sometimes referred to as the 'House-man's Friend' because a large bore cannula may be easily placed.
Cerebrospinal fluid (CSF) is a clear, colorless body fluid found in the brain and spine.It is produced in the choroid plexuses of the ventricles of the brain.he ventricles are a series of cavities filled with CSF, inside the brain. The majority of CSF is produced from within the two lateral ventricles. From here, the CSF passes through the interventricular foramina to the third ventricle, then the cerebral aqueduct to the fourth ventricle.