direct

Thymocyte

...peptides or MHC. This eliminates cells which would direct immune responses towards self-proteins in the periphery. Negative selection is not 100% complete, some autoreactive T cells escape thymic censorship, and are released into the circulation. Additional mechanisms of tolerance active in the periphery e...

Telephone Triage

...ions, and seasonal flu and fevers. Nurses may also direct clients to obtain a second medical opinion, or advise them where to find relevant, current health information. They might counsel or perform crisis intervention for a threatened suicide. What was traditionally done informally in emergency rooms, clin...

Hip Pointer

...a contusion (bruise) on the pelvis caused by a direct blow to an iliac crest . Contact sports are a frequent cause of this type of injury . A hip pointer bruise usually causes bleeding into the hip abductor muscles , which move legs sideways, away from the midline of the body. This bleeding into m...

Goodsall's rule

...ane across the anus. Anterior fistulas will have a direct track into the anal canal. Posterior fistulas will have a curved track with their internal opening lying in the posterior midline of the anal canal. An exception to the rule are anterior fistulas lying more than 3cm from the anus, which may open in t...

Family history (medicine)

...ts of information about disorders that a patient's direct blood relatives have suffered from. Genealogy typically includes very little of the medical history of the family , but the medical history could be considered a specific subset of the total history of a family. Uses Although often negl...

Arterial stiffness

..., myocardial infarction and stroke , are both a direct consequence of atherosclerosis and increased arterial stiffness is associated with an increased risk of cardiovascular events. The World Health Organisation predicts that by 2010 cardiovascular disease will also be the leading killer in the develop...