clavÂ·iÂ·cle. A doubly curved long bone that forms part of the shoulder girdle. Its medial end articulates with the manubrium sterni at the sternoclavicular joint; its lateral end with the acromion of the scapula at the acromioclavicular joint. Synonym(s): clavicula [TA] , collar bone.
Origin of FICTIOUS. ficti on + -ous. This word doesn't usually appear in our free dictionary, but the definition from our premium Unabridged Dictionary is offered here on a limited basis.Note that some information is displayed differently in the Unabridged.efinition of FICTIOUS. : given to fiction: fictitious. ADVERTISEMENT.
Atrial fibrillation (AFib) is an irregular heart rhythm that can be episodic/on and off (paroxysmal a fib), or persistent/permanent (chronic AFib). Heart rhythm is how regular/evenly spaced the heart beats occur (think of how regular the beat/rhythm is of a song you dance to).