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
Follow the link for a detailed explanation. Means the same thing as high cholesterol. Hyperlipidemia, hyperlipoproteinemia or dyslipidemia is the presence of raised or abnormal levels of lipids and/or lipoproteins in the blood.IGH CHOLESTEROL - (HYPERLIPIDEMIA). There are two main lipids found in the blood, cholesterol and triglycerides, also known as serum lipoproteins. Cholesterol is an essential chemical within the body, without it we will die.