tonus

Học thuật
Thân thiện
tonus

The doctor checked the patient's muscle tonus.

Definition

Noun: 1. The slight, continuous contraction of a muscle, which maintains posture and readiness to respond; muscle tone. This refers to the natural, low-level state of tension or firmness in healthy muscles, even when at rest. It is essential for maintaining body posture and ensuring muscles are ready for voluntary movement. 2. (More broadly) The normal state of firmness, tension, or strength of the body's tissues. While most commonly applied to muscles, the concept can extend to the general healthy tension and responsiveness of bodily tissues.

Usage Examples
  • Noun:
    • Regular exercise helps to improve muscle tonus and overall strength.
    • The physical therapist assessed the patient's muscular tonus after the injury.
    • A lack of tonus in the abdominal muscles can contribute to back pain.
Advanced Usage
  • Physiological Context: In medical and physiological texts, is often discussed in relation to the autonomic nervous system and its role in maintaining involuntary muscle readiness.
    • The study examined how the sympathetic nervous system influences vascular tonus.
  • Comparative with "Tonicity": While often used interchangeably in general contexts, in strict physiological terms, can specifically refer to the osmotic pressure of a solution relative to a cell, whereas refers specifically to muscular tension.
Variants and Related Words
  • Tone (noun): The more common, everyday synonym for , especially in phrases like "muscle tone."
  • Tonicity (noun): A very close synonym, often used in medical and scientific contexts to describe the state of tissue tension or responsiveness.
  • Atony / Atonia (noun): The pathological absence or loss of muscle tone; the opposite of .
  • Hypertonia (noun): Abnormally increased muscle tone or stiffness.
  • Hypotonia (noun): Abnormally decreased muscle tone or floppiness.
Synonyms
  • Muscle tone
  • Tension (in a physiological context)
  • Firmness
  • Tonicity
Antonyms
  • Atony
  • Flaccidity
  • Limpness
  • Weakness (in the context of muscle firmness)
tonus

The doctor checked the patient's muscle tonus.

Noun
  1. the elastic tension of living muscles, arteries, etc. that facilitate response to stimuli
    • the doctor tested my tonicity

Từ đồng nghĩa

Từ trái nghĩa

Từ gần giống

Từ chứa "tonus"

Từ có nhắc đến "tonus"