Irregular Plurals from Latin

primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves

a former female student or pupil of a school, university, or college

The university honored Jane Doe as an exceptional alumna for her achievements in the field of engineering.

a person, particularly a male one, who is a former student of a college, university, or school

The university recognized John Smith as an outstanding alumnus for his contributions to the field of medicine.

a single-celled microorganism that typically reproduces by cell division and can be found in various environments, including soil, water, and living organisms

Escherichia coli (E. coli) is a common bacterium found in the intestines of humans and animals.

the main part of an organ or other bodily structure

a single piece of information or a reference point used in analysis or measurement

In statistical analysis, each individual response serves as a datum for further examination.

an error in a written or printed document

a rude decoration inscribed on rocks or walls

the set of all points or lines that satisfy or are determined by specific conditions

a mature, female reproductive cell or egg, typically larger than a sperm cell, capable of fusing with a sperm cell during fertilization to form a zygote

Human females typically release one ovum during each menstrual cycle.

something that triggers a reaction in various areas like psychology or physiology

In a lab experiment, the researchers applied a visual stimulus to study participants to observe and measure their neurological responses.

(geology) a distinct layer of rock or sediment

a male reproductive organ responsible for the production of sperm and the secretion of testosterone

(anatomy) any of the bony segments and cartilages of the spinal column

Injuries to the vertebra can result in paralysis or loss of sensation.

a young form of an insect or an animal that has come out of the egg but has not yet developed into an adult

(biology) the part of a cell that contains most of the genetic information

The nucleus of a cell contains genetic material in the form of DNA, which regulates cellular activities.