apheresis
Học thuậtThân thiện
Definition
Noun (Medical):
- A medical procedure in which blood is withdrawn from a donor or patient, separated into its components (such as plasma, platelets, or white blood cells), a specific component is retained, and the remaining blood is returned to the circulatory system.
Noun (Linguistics):
- The omission of a sound, syllable, or letter at the beginning of a word, often as a form of historical language change or informal speech.
Usage Examples
Noun (Medical):
- The patient underwent apheresis to collect stem cells for the transplant.
- Platelet apheresis is a common procedure for donors.
Noun (Linguistics):
- The word "squire" from "esquire" is an example of apheresis.
- Apheresis explains the informal "cause" derived from "because".
Advanced Usage
Therapeutic Apheresis: Refers to the use of the procedure to treat a disease by removing a harmful component from the blood.
- Therapeutic apheresis is used to manage conditions like myasthenia gravis.
Historical Linguistics: Used to describe a specific type of phonological change.
- The apheresis of the initial vowel in "acute" led to the word "cute".
Variants and Related Words
- Apheretic (adj): Pertaining to or characterized by apheresis.
- The apheretic form "phone" is now standard for "telephone".
- Apheresis Donor (n): A person who donates blood via an apheresis procedure.
- Lymphapheresis (n): A specific type of apheresis targeting lymphocytes.
Synonyms
- Medical: Pheresis, hemapheresis, cytapheresis (specific to cells).
- Linguistics: Initial omission, procope (a technical synonym).
Related Phrases
- Undergo apheresis: To have the medical procedure performed.
- He will undergo apheresis next week.
- Result from apheresis: To originate from this linguistic process.
- The shortened form resulted from apheresis over centuries.
Related Idioms
Noun
- a procedure in which blood is drawn and separated into its components by dialysis; some are retained and the rest are returned to the donor by transfusion
- (linguistics) omission at the beginning of a word as in `coon' for `raccoon' or `till' for `until'