MICROANATOMY

Detailed explanation-1: -In 1665, Robert Hooke was the first to observe cork cells and their characteristic hexagonal shape, using the first optical microscope, which was invented by him at that time.

Detailed explanation-2: -This beautiful microscope was made for the famous British scientist Robert Hooke in the late 1600s, and was one of the most elegant microscopes built during the period. Hooke illustrated the microscope in his Micrographia, one of the first detailed treatises on microscopy and imaging.

Detailed explanation-3: -He observed tiny porous honeycomb structures which he would refer to as cells, named after small rooms in monasteries. This discovery led Hooke to develop his Cell Theory, which hypothesized that that all organisms are made up of cells, and that cells are the most basic units of life.