mitral

1. Relating to or resembling a miter worn by certain ecclesiastics.
2. Relating to a mitral valve.

1. Relating to a mitral valve.
2. Shaped like a bishop's miter. Used of a structure resembling the shape of a headband or turban.

Shaped like a miter; pertaining to the mitral valve.

• m. area — that area of the thoracic wall through which sounds of the mitral valve can best be auscultated; generally the lower one-third of the mid- to anterior left thorax.
• m. atresia–hypoplastic left heart syndrome — defects in the development of the mitral valve, left heart and aortic valve, which occur rarely in cats.
• m. complex — includes the leaflets, annulus, chordae tendineae and papillary muscles of the mitral valve, left atrium and left ventricular muscle wall.
• m. insufficiency — a functional incompetence resulting in regurgitation of blood from the left ventricle to the left atrium during systole or from the great vessels into the left atrium during diastole.
• m. regurgitation — see mitral insufficiency (above).
• m. valve — the left atrioventricular valve, the valve between the left atrium and the left ventricle of the heart; it is composed of two cusps, anterior and posterior. Called also the bicuspid valve.
• m. valve prolapse (MVP) — a condition in which some portion of the mitral valve is pushed back too far during ventricular contraction. Often a complication of mitral endocardiosis.

The adjective has one meaning:

Meaning #1: of or relating to or located in or near the mitral valve
  Pertains to noun: mitral valve (meaning #1)