Notice the time line at the periphery. Preantral period: It takes 300 days for a recruited primordial to grow and develop to the class 2/3 (0.4 mm) or cavitation (early antrum) stage. Atresia can occur in preantral class 1, 2, and 3 follicles.
Best Answer: Hypercholesterolemia (literally: high blood cholesterol) is the presence of high levels of cholesterol in the blood. Hyperlipidemia is an elevation of lipids (fats) in the bloodstream. These lipids include cholesterol, cholesterol esters (compounds), phospholipids and triglycerides. Hyperlipidemia is caused by an elevated level of any kind of lipid (fat) in the blood stream, while hypercholesterolemia is only caused by high cholesterol in the blood stream. Source(s): izzy Â· 8 years ago
Though we talk about high cholesterol, the term is a little misleading. What we really mean is high levels of âbadâ LDL cholesterol and triglycerides and âlowâ level of good HDL cholesterol. You are suffering from hyperlipidemia when your: 1  LDL cholesterol is above 130 mg/dL. 2  HDL cholesterol is LOWER than 60 mg/dL.