Who painted the image above?

What types of visual art mediums are heavily based on observation?

Bile juices in the breakdown of fats. an injury to the (liver, mouth, or salivary glands) may cause a decrease in the production of bile juices. this decrease in bile juices may lead to decreased production of (amino acids, carbohydrates, or fatty acids)

Iconography refers to meaning of the symbols and images in art. iconology is the study of imagery in terms of broader cultural and artistic content in art.