hematoma
UK[ˌhiːməˈtəʊmə]US[ˌhiːməˈtoʊmə]
n
A swelling of clotted blood within the body's tissues, caused by a break in a blood vessel.
Morpheme Breakdown
hemat
oma
hemat
blood
oma
tumor, swelling
Etymology
The word 'hematoma' is a modern medical term constructed directly from ancient Greek components to describe a specific clinical condition. The root haima (blood) is one of the foundational terms in Greek medicine and physiology, passed into scientific Latin as haema-. The suffix -ōma was used in Greek to form nouns denoting the concrete result of an action or state, particularly swellings or tumors. When combined, the literal meaning "a blood-swelling" perfectly captures the essence of the condition—a localized mass of extravasated blood. This transparent compounding reflects the systematic methodology of scientific nomenclature, where Greco-Latin roots are recombined to create precise, descriptive terms for pathological phenomena.
Analysis
Structure: hemat (blood) + oma (tumor, swelling)
- hemat: From Greek haimat-, the stem of haima (blood). Functions as the core root specifying the substance involved.
- oma: From Greek -ōma, a suffix forming nouns that indicate the result of a process, often a morbid growth, tumor, or swelling. Functions as a nominalizing suffix specifying a pathological condition.
Examples
The patient developed a large hematoma on his thigh after the fall.
A subdural hematoma is a serious condition requiring immediate neurosurgical intervention.
The bruise evolved from a simple contusion into a palpable hematoma.