|1.||of, relating to, or occurring during the early phases of a disease before accurate diagnosis is possible|
|2.||of, relating to, or designating an early period of scientific study by a medical student before practical experience with patients|
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
preclinical pre·clin·i·cal (prē-klĭn'ĭ-kəl)
Of or relating to the period of a disease before the appearance of symptoms.
Of or being a period in medical education before the student is involved with patients and clinical work.