Soil Profile â Soil Horizon: O horizon, A Horizon, E horizon, B Horizon, C Horizon or Parent rock, R Horizon or Bedrock. Soil. Soil is the thin top layer on the earthâs crust comprising rock particles mixed with organic matter. Pedology is the study of soils in their natural environment.
GENERIC NAME: tramadol and acetaminophen. BRAND NAME: Ultracet. DRUG CLASS AND MECHANISM: Ultracet is a combination of two drugs, tramadol (Ultram) and acetaminophen (Tylenol) that is used to relieve moderate, acute pain such as pain following dental or surgical procedures. Tramadol and acetaminophen each relieve pain, but they do so by different mechanisms.
GENERIC NAME: diltiazem. BRAND NAMES: Cardizem, Cardizem CD, Cardizem LA, Tiazac, Cartia XT, Diltzac, Dilt-CD, and several others. DISCONTINUED BRAND: Dilacor XR, Tiamate. DRUG CLASS AND MECHANISM: Diltiazem is a drug that is used for treating heart pain (angina), high blood pressure, and abnormal heart rhythms. It belongs to a class of drugs called calcium channel blockers (CCBs), which includes amlodipine (Norvasc), verapamil (Calan, Isoptin), nifedipine (Adalat, Procardia) as well as others.