Abstain To voluntarily refrain from something. Constrict To draw together or become smaller. Accountab le To be responsible. Contingent Dependent. Acute Sudden, intense. Contraindication A reason something is not advisable. Adhere To hold fast or stick together. Convulsive Having or causing shaking of the body. Adverse Undesired, possibly harmful. Cursory Quick, perfunctory, not thorough. Ambivalen t Uncertain, having contradictory feelings. Defecate Expel feces. Ambulate To walk. Deficit A lack ofsomething. Apply To place, put on, or spread something. Depress Press downwards. Assent To give consent, to agree. Depth Downward measurement from surface. Audible Able to be heard. Deteriorating Worsening Bacteria Single-celled, microscopic organization. Diagnosis Identification of an injury or disease. Bilateral Present on two sides. Diffuse Spread over a large area; generalized. Cardiac Of or relating to the heart. Dilate To enlarge or expand. Cavity An opening or an empty area. Dilute To make a liquid less concentrated. Cease Come to or bring to an end. Discrete Distinct,separate. Chronic Lasting or recurring over a long period of time. Distal Distant; away from the center (such as of the body