subcutaneous
/'sʌbkju:'teinjəs/
Học thuậtThân thiện
Definition
- Adjective:
- Situated or occurring under the skin: Relating to the area or layer directly beneath the skin (the epidermis and dermis).
- Administered or introduced under the skin: Used to describe medical procedures, injections, or implants that are placed into the tissue layer below the skin.
Usage
The adjective "subcutaneous" is primarily used in medical, biological, and clinical contexts. It modifies nouns to specify a location or method beneath the skin. - It is often used before nouns like tissue, fat, layer, injection, implant, or infusion. - It is a formal, technical term.
Examples
- Adjective:
- The doctor administered a subcutaneous injection of insulin.
- The device is a subcutaneous implant that releases medication slowly over time.
- Bruising can occur in the subcutaneous tissue after an injury.
Advanced Usage
- "Subcutaneous fat": The layer of fat tissue located directly beneath the skin, which serves as insulation and an energy reserve.
- Mammals in cold climates have a thick layer of subcutaneous fat.
Variants and Related Words
- Subcutaneously (adverb): In a manner that is under the skin.
- The drug is administered subcutaneously once a week.
Synonyms
- Hypodermic: Often used specifically for injections or needles that penetrate under the skin.
- Subdermal: Literally "under the skin," sometimes used interchangeably, though it can imply a deeper layer.
Notes on Meaning
While "subcutaneous" and "hypodermic" are often synonyms, especially regarding injections, "hypodermic" is more commonly used as a noun to refer to the needle or syringe itself (a hypodermic needle). "Subcutaneous" is the broader adjective describing the anatomical location.
Adjective
- relating to or located below the epidermis
- hypodermic needle
- subcutaneous implant