The diagram shows a plant cell. It has swollen up what is the scientific name for this.

The scientific term for the swelling or enlargement of a plant cell is turgidity.

The scientific term for the swollen condition in a plant cell is "turgid."

To determine the scientific name for the swollen condition of a plant cell shown in a diagram, we first need to understand what the swelling refers to specifically. Without further context or information about the diagram, it is difficult to provide an exact scientific name or term. However, I can provide you with a general understanding of plant cell swelling and a few potential scientific terms that might be relevant in certain situations.

Plant cell swelling, also known as turgid condition, occurs when a plant cell absorbs water and expands due to the pressure exerted by the increased volume of the cell's cytoplasm against its rigid cell wall. This swelling is a natural response of plant cells when they become hydrated. It helps to maintain the structural integrity of plant tissues and provides support for the above-ground plant structures.

If the specific diagram you are referring to shows excessive or abnormal swelling of a plant cell, it might be indicative of a plant cell disorder or a specific physiological condition. However, without more information or details, it is challenging to provide a specific scientific term or name for the swollen condition.

To obtain the scientific name or term for the particular case you are referring to, it would be helpful to consult relevant scientific literature, textbooks, or specialized resources in plant biology or cellular biology. Additionally, seeking guidance from a botanist, plant biologist, or plant cell biologist who can examine the diagram and identify the specific condition would provide the most accurate scientific name.