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
Familial hypercholesterolemia is an inherited disease in which blood cholesterol level is high. Vascular diseases often occur at an earlier age than usual, especially amongst men. Thus lifelong therapies to reduce blood cholesterol (started in childhood) are needed.DL Cholesterol (High-Density Lipoprotein Cholesterol). HDL cholesterol stands for high-density lipoprotein cholesterol, which is a fat found in the blood that takes extra cholesterol from the blood to the liver for removal.