Latin in Medicine and Science: From Anatomy to Prescriptions
How Latin shapes anatomy, medical terms and prescription abbreviations, with examples that show how to decode unfamiliar medical words.
Medicine and science still lean on Latin. Knowing a few roots makes hard words easier to decode.
Anatomy in Latin
| Latin | Meaning | English word |
|---|---|---|
| caput | head | capital, decapitate |
| cor | heart | cordial, coronary |
| manus | hand | manual, manicure |
| pēs | foot | pedal, pedestrian |
| os | bone | osseous, ossify |
| dēns, dentis | tooth | dental, dentist |
| oculus | eye | ocular |
| auris | ear | aural |
| pulmō | lung | pulmonary |
| sanguis | blood | sanguine |
| cutis | skin | cutaneous, cuticle |
Naming muscles and bones
Anatomical names are often Latin:
- musculus ("little mouse", because a flexing muscle resembles a mouse under the skin) gives us muscle.
- clāvicula ("little key") gives us clavicle, the collarbone.
Prescription abbreviations
Some prescription shorthand is still Latin, though many hospitals now avoid it:
| Abbreviation | Latin | Meaning |
|---|---|---|
| a.c. | ante cibum | before meals |
| p.c. | post cibum | after meals |
| b.i.d. | bis in diē | twice a day |
| t.i.d. | ter in diē | three times a day |
| p.o. | per os | by mouth |
Other Latin in medicine
| Term | Meaning |
|---|---|
| in vitro | in glass, in a laboratory dish |
| in vivo | in a living organism |
| post mortem | after death |
| placebo | "I shall please" |
| vaccine | from vacca, cow |
| virus | poison, slime |
Decoding a word
Try subcutaneous:
- sub = under
- cutis = skin
- -eous = relating to
So it means "under the skin". Similarly, intravenous is intrā (within) + vēna (vein).
Tips
- Learn a dozen body-part roots.
- Decode medical words by parts.
- Use the dictionary to check roots.
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