Lưu ý: Bản dịch của mục này hiện đang được kiểm tra chất lượng, vì vậy một số nội dung tạm thời chỉ hiển thị bằng tiếng Anh.
Mục từ này chưa được dịch sang ngôn ngữ của bạn, vì vậy nội dung gốc được hiển thị bên dưới.
tonicity
This term operates in two distinct scientific domains: chemistry and physiology. In a chemical or biological context, it describes the osmotic pressure of a solution relative to another, dictating whether water moves into or out of a cell. It is a technical measure of equilibrium and concentration rather than a general description of liquid strength.
In a medical or kinesiological context, it refers to the continuous and passive partial contraction of muscles. This usage focuses on the physical state of tension and readiness of a muscle group, often used by clinicians to diagnose neurological issues or assess athletic conditioning.
Ý nghĩa
Ví dụ
The lab technician explained how the tonicity of the solution affects cell volume.
Hypertonic tonicity causes water to leave the cell, leading to shrinkage.
I wonder if the tonicity of this buffer is correct for the experiment.
The doctor noted a significant decrease in muscle tonicity after the stroke.
Maintaining proper muscle tonicity is essential for balance and posture.
Your muscle tonicity feels a bit tight in the shoulder area.
The textbook describes tonicity as the effective osmotic pressure gradient.
We need to adjust the tonicity of the medium to keep the cells viable.
Low muscle tonicity can often be a sign of underlying neurological issues.
Low muscle tonicity can often be a sign of underlying neurological issues.