Membrane attack complex
An abnormal activation of the complement (protein) portion of the blood that forms a cascade reaction and brings blood proteins together, binds them to the cell wall, and then inserts them through the cell membrane. Abbreviated MAC. MAC allows water, ions, and other small molecules to move freely into and out of a cell, and it quickly results in cell death.
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The middle, as in the median strip in a highway. For example, the median nerve is the nerve the runs through the middle of the wrist.
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The knee joint is surrounded by fluid-filled sacs called bursae, which serve as gliding surfaces that reduce friction of the tendons. Below the kneecap, there is a large tendon (patellar tendon) which attaches to the front of the tibia bone. There are large blood vessels passing through the area behind the knee (referred to as […]
- Medial collateral ligament (MCL) of the knee
The meniscus is a c-shaped cartilage pad between the two joints formed by the femur and tibia. The meniscus acts as a smooth surface for the joint to move on. The knee joint is surrounded by fluid-filled sacs called bursae, which serve as gliding surfaces that reduce friction of the tendons. Below the kneecap, there […]
- Membranous
Pertaining to a membrane. As in acute membranous gingivitis, membranous nephropathy, and pseudomembranous colitis.