gastric smear
Học thuậtThân thiện
Definition
Noun: A gastric smear is a medical laboratory test. It involves taking a small sample of material from the stomach's lining or contents, spreading it thinly on a microscope slide, and examining it to detect abnormalities, such as bacteria, abnormal cells, or signs of infection.
Usage
This term is used specifically in medical and diagnostic contexts. It refers to the procedure itself or the resulting sample prepared for analysis. - The doctor ordered a gastric smear to check for Helicobacter pylori infection. - Examination of the gastric smear revealed no cancerous cells.
Advanced Usage
- The term is highly technical and is primarily used by healthcare professionals (doctors, pathologists, lab technicians).
- It is a type of alimentary tract smear, which is a broader category of tests involving smears from the digestive system.
Variants and Related Words
- Smear test: A more general term for any diagnostic test involving spreading a sample on a slide (e.g., Pap smear).
- Biopsy: A related but different procedure that involves removing a small piece of tissue for examination, which can provide more detailed information than a smear.
- Cytology: The study of cells, which is the science behind analyzing a smear.
Synonyms
- Stomach smear
- Gastric cytology specimen (this is more precise but less common)
Notes
- Gastric smear is a compound noun. The adjective "gastric" pertains to the stomach. The noun "smear" refers to the technique of spreading a sample.
- It is not a common term in everyday conversation and is almost exclusively found in clinical reports, medical textbooks, and discussions between medical professionals.
Noun
- alimentary tract smear of material obtained from the stomach