41-8 The spinal cord ends at L1 or 2; the subarachnoid space continues to the second sacral level. Between these levels, frequently above or below L.V.5, the subarachnoid space is tapped in lumbar puncture. The needle traverses the interspinous ligament and pierces the ligamentum flavum between the laminae.
A cyst is a small sac that can grow on the skin, organs, and other body tissues. There are hundreds of different types of cysts, most of which are harmless.In some rare cases, however, these structures can be a sign of a more serious condition, such as a hormonal imbalance or cancer. cyst is a small sac that can grow on the skin, organs, and other body tissues. There are hundreds of different types of cysts, most of which are harmless.
This is typically known as a tonsil cyst or tonsillar cyst. A tonsil cyst is a pouch-like vesicle filled with fluid or pus typically protruding from a tonsil. Most frequently, these tonsil cysts are benign, although in some cases, cancer may be present. A benign tonsil cyst can become infected if not treated in a timely manner. There are danger signs and warnings to look out for with cysts that have formed on the tonsils.