stylet
/'stailit/
Học thuậtThân thiện
Definition
- Noun:
- A small, slender, needle-like structure or appendage: A "stylet" is a fine, pointed anatomical feature, often found on certain invertebrates.
- A medical probe or slender surgical instrument: In medicine, a "stylet" is a thin, wire-like device used to provide rigidity or guide placement within a catheter, tube, or needle.
Examples of Usage
- Noun:
- The tardigrade uses its stylet to pierce plant cells and suck out their contents.
- The doctor inserted a stylet into the endotracheal tube to help guide it into the patient's airway.
Advanced Usage
- "Stylet-borne transmission": In entomology and plant pathology, this refers to the transmission of a pathogen (like a virus) by an insect's piercing mouthpart (stylet) during feeding.
- The aphid is a vector for the virus through stylet-borne transmission.
Variants and Related Words
- Styletiform (adj): Having the form or shape of a stylet; slender and pointed.
- The parasite has a styletiform mouthpart.
Synonyms
- Probe: A slender instrument for exploration.
- Stylus: A pointed instrument; in some contexts, this can be used similarly to "stylet."
- Awl: A small pointed tool for piercing holes, though this is more for general tools than for specific biological or medical contexts.
Related Phrases
- Stylet penetration: Refers to the act of a stylet piercing a surface, commonly used in studies of insect feeding or nematode behavior.
- Researchers measured the duration of stylet penetration by the aphid.
Related Idioms
(No common idioms are directly associated with the word "stylet" due to its technical nature.)
Noun
- small needlelike appendage; especially the feeding organ of a tardigrade