Medical glossary
227 words and abbreviations, explained without jargon. Every one of them also appears inside our articles — hover or tap the dotted underline and the definition comes to you, so you never have to leave what you were reading.
T
- TachycardiaFast heart rateTachycardia means a resting heart rate above 100 beats per minute in an adult. It is often a normal response to something else, and occasionally a rhythm problem in its own right.
- ThyroidThyroid glandThe thyroid is a butterfly-shaped gland in the neck that sets the body's metabolic pace. Too little hormone slows nearly everything down; too much speeds it up.
- TraumaPsychological trauma, Emotional trauma, Traumatic event