By definition, organelles are the membrane-bound structures in a cell. The nucleus is an example. Other organelles are located in the cytoplasm such as mitochondria, chloroplasts, endoplasmic reticulum, Golgi apparatus, peroxisomes, lysosomes, vacuoles and glyoxisomes.An eukaryotic cell contains many mitochondria, occupying up to a quarter of the cytoplasmic volume.he nucleus is an example. Other organelles are located in the cytoplasm such as mitochondria, chloroplasts, endoplasmic reticulum, Golgi apparatus, peroxisomes, lysosomes, vacuoles and glyoxisomes.
Enlarged bile duct symptoms vary depending upon the cause of enlargement or dilation: Gallstones in bile duct leading to its enlargement: 1  Usually there is a long history of flatulent dyspepsia (eructation).
Bile Duct and Gallbladder Disease. Conditions that damage or block the bile ducts can cause elevated bilirubin levels. A condition called cholestasis -- with decreased bile flow caused by a blockage of the bile duct or reduced secretion of bile from the liver -- can lead to high bilirubin levels.