Cross
Cross
Cross (pronounced: /krɔːs/) is a term with various meanings in the medical field. It can refer to a type of genetic inheritance pattern, a type of blood transfusion compatibility test, or a type of suture technique, among other things.
Etymology
The term "cross" comes from the Old Norse word "kross", which was borrowed from Old Irish "cros", both of which mean "cross". The term has been used in the English language since the 10th century.
Genetic Cross
In genetics, a cross refers to the mating of two organisms to produce offspring. This can be further classified into different types such as monohybrid cross, dihybrid cross, and test cross, depending on the number and type of traits being studied.
Crossmatching
In transfusion medicine, crossmatching or cross-testing is a test performed to determine if the donor's blood is compatible with the recipient's blood before a blood transfusion. This is to prevent transfusion reactions that can occur if the recipient's immune system attacks the donor's blood cells.
Cross Suture
In surgery, a cross suture or cruciate suture is a type of suture technique where the suture material is passed through the tissue in a cross or 'X' pattern. This technique is often used in situations where tension needs to be distributed evenly across the wound.
Related Terms
- Cross-reactivity: A phenomenon where an antibody reacts not only with the antigen that induced its production, but also with other antigens that share similar structures.
- Cross-infection: The transmission of infectious agents between patients in a healthcare setting.
- Cross-sectional study: A type of observational study that analyzes data from a population at a specific point in time.
External links
- Medical encyclopedia article on Cross
- Wikipedia's article - Cross
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