lying to under a trysail in heavy weather; .
atrio- atrio- pref. Atrium: atrioventricular.
- Atriocarotid interval
atriocarotid interval atriocarotid interval a·tri·o·ca·rot·id interval (ā’trē-ō-kə-rŏt’ĭd) n. In a venous pulse tracing, the time between the beginning of the atrial wave and the beginning of the carotid wave.
atriomegaly atriomegaly a·tri·o·meg·a·ly (ā’trē-ō-měg’ə-lē) n. Enlargement of the atrium of the heart.
any of several peptide hormones that are released by the atria of the heart in response to an abnormal increase in blood volume and that modulate blood pressure and the excretion of sodium, potassium, and water. Abbreviation: ANF. atrial natriuretic factor n. A peptide hormone released from cardiac atrial tissue that causes increased elimination of […]