Morphology and Skeleton is an interpretive illustration showcasing the various morphotypes of the model diatom studied here, specifically Phaeodactylum tricornutum. This diatom belongs to a distinct class of unicellular microalgae known for their unique properties. The work comprises a six-piece illustration, with each canvas measuring 8 X 8 inches. The three white canvases depict the morphological variations of the diatom observed under a bright field microscope at different growth phases, highlighting the differences in internal organelles. A bright-field microscope uses light to illuminate objects and helps view magnified images (100X). In contrast, the three black canvases illustrate how cellular organelles appear when stained and viewed under a fluorescence microscope. Fluorescence refers to the property of certain pigments that emit visible light after absorbing non-visible radiation. The microscope that exploits this property to visualize and magnify objects is called a fluorescence microscope. Similar acrylic pigments have been utilized to replicate the appearance of the pigments used in microscopy, providing viewers with an experience akin to that of a fluorescence microscope. The contrasting canvases create a clear distinction between the experiences of bright-field and fluorescence microscopy for the viewers.