Select Page

Archives: Dictionary

Patella

/pəˈtɛlə/ Noun, plural patellas or patellae Also know as the kneecap or kneepan. 1. a thick flat triangular movable bone that forms the anterior point of the knee, protects the front of the joint, increases the leverage of the quadriceps, and is usually regarded as a sesamoid bone since it is developed in the tendon of the quadriceps and in structure is similar to other sesamoid bones. (merriam-webster.com) 2. The sesamoid bone of the knee; the kneecap. (wiktionary.org) 3. A dish-shaped anatomical formation. (freedictionary.com) Word origin: From Latin patella “pan, kneecap,” diminutive of patina “pan”. So called from its...

Read More

Pathogen

/ˈpaTHəjən/  /-ˌjen/ Noun, pl. pathogens 1. An infectious agent (colloquially known as a germ); a microorganism—in the widest sense, such as a virus, bacterium, prion, or fungus—that causes disease in its host. The host may be an animal (including humans), a plant, or even another microorganism. (wikipedia.org) 2. Any organism or substance, especially a microorganism, capable of causing disease, such as bacteria, viruses, protozoa or fungi. Microorganisms are not considered to be pathogenic until they have reached a population size that is large enough to cause disease. (wiktionary.org) 3. A specific causative agent (as a bacterium or virus) of disease. (merriam-webster.com) 4. An agent causing disease or illness to its host, such as an organism or infectious particle capable of producing a disease in another organism. (biology-online.org) Syn: infectious agent, germ Word origin: From Greek pathos, “suffering,emotion” + gene, “to give birth...

Read More

Pathology

Noun 1. (medicine) The branch of medicine concerned with the study of the nature of disease and its causes, processes, development, and consequences. (wiktionary.com) 2. Any deviation from a healthy or normal condition; abnormality. (wiktionary.com) 3. The precise study and diagnosis of disease. (wikipedia.com) 4. A specialty concerned with the nature and cause of disease as expressed by changes in cellular or tissue structure and function caused by the disease process. (online-medical-dictionary.org)   Syn: pathobiology Word origin: from Ancient Greek πάθος, pathos, feeling, suffering; and -λογία, -logia, the study...

Read More

Struggling in Biology?

Are You Premed?

Confused about the MCAT? Not sure how to prepare? This guide will show you how