Word composition. Greco-Latin combining forms. Types of clinical terms
4 topics with concise reviews: definitions, key facts, and class questions.
In this section, we analyze the anatomy of medical words. You will study the basic mechanisms of word formation in Latin and get acquainted with key Latin noun and adjective suffixes. These tools will allow you not just to memorize words by rote, but to understand the logic of their construction.
Special attention is paid to Greco-Latin doublets—the foundation of the modern physician's language. We will break down the word-building analysis of clinical terms step-by-step so that you can intuitively "decipher" complex multi-root diagnoses, syndromes, and names of surgical interventions.
Please note: practical classes and tests most frequently assess the skill of structural analysis. You will be required to isolate the terminological element (TE), explain the meaning of the suffix, and translate a clinical term without a dictionary. The materials in this section will provide you with the necessary foundation for a confident answer.
What is the difference between a simple and a compound word in Latin?
A simple word has only one stem in its structure (e.g., costalis). A compound word consists of two or more stems formed by compounding (e.g., costoarticularis).
How to find the noun stem for adding a suffix?
The stem is determined by the genitive singular form (Gen. sing.). It is necessary to drop the case ending: for example, for the word cartilago, inis, the stem is cartilagin-.
Why is "coronal" translated as coronalis, but "clavicular" as clavicularis?
This is due to the rule of dissimilation. The stem of the word clavicula ends with the letter "l", so to avoid phonetic cacophony, the suffix -ar- is used instead of -al-.
How are terms meaning "similar to" formed?
For this purpose, the Greek suffix -oideus or the Latin -formis is added to the stem. For example, from the word xiphos (sword), xiphoideus (xiphoid) is formed, and from cuneus (wedge), cuneiformis (cuneiform).
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