What does ampulla mean?
An ampulla is a small, rounded vessel with a narrow neck, a shape familiar from antiquity, when Romans used such flasks to hold oils, wines, and perfumes. The Latin word gave its name to objects ranging from pilgrim flasks that carried holy water to ornate glass containers unearthed at archaeological sites. Beyond the material world, the term was adopted by anatomy to describe any natural widening along an otherwise narrow tubular passage: the ampulla of Vater marks the point where bile and pancreatic ducts meet the small intestine, while the ampullae of the inner ear's semicircular canals house the sensory cells that detect head rotation. Because of this dual life — everyday artifact and precise anatomical landmark — ampulla belongs chiefly to formal, scholarly registers. Its adjectival forms, ampullary and ampullar, appear regularly in medical writing. For readers of history, medicine, or classics alike, the word offers a compact bridge between the ancient household and modern human physiology.
nounA small flask or bulb-shaped vessel, originally a Roman container for holding oil, wine, or perfume. In anatomy and medicine, a dilated sac or widened portion of a tubular structure such as the vas deferens, fallopian tube, or semicircular canal.
- A small, bulbous vessel with a narrow neck, especially one used in antiquity for oils, perfumes, or liquids.
- In anatomy, a dilated or widened portion of a tubular organ or canal (such as the ampulla of Vater, the ampulla of the vas deferens, or the ampulla of a semicircular canal).
"The archaeologists recovered a delicate glass ampulla that once held perfumed oil."
"Pilgrims often carried home holy water in a small lead ampulla as proof of their journey."
"Fertilization normally takes place in the ampulla of the fallopian tube."
The plural follows the Latin second declension: one ampulla, several ampullae. This form is standard in both archaeological and anatomical contexts.
"Excavation revealed several bronze ampullae arranged along the tomb wall."
The word 'ampulla' has been around since ancient Rome, when these little flasks held everything from perfume to holy water — and it still names a bulge in your own vas deferens today.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of ampulla
The English word ampulla derives directly from Latin ampulla, meaning a small globular flask or jar, itself possibly a diminutive related to amplus ('large' or 'spacious'), though this connection is uncertain. Latin borrowed or adapted the term early enough that it appears in classical authors describing vessels for oil and perfume. The word entered English in the medieval period through ecclesiastical and scholarly use, retaining its Latin form nearly unchanged. It shares its origin with the French-derived 'ampoule', which took on a specialized pharmaceutical sense, and is distantly connected to Greek amphoreus, the source of 'amphora'.
Related word forms
How ampulla is actually used
Register is formal, technical, or academic; the word rarely appears in casual conversation. In archaeological, ecclesiastical, and classical contexts, 'ampulla' refers to the physical vessel. In medical and anatomical writing it almost always denotes a dilated segment of a tubular structure, and is frequently encountered in fixed phrases such as 'ampulla of Vater'. The plural is 'ampullae' in both anatomical and classical usage. Adjectival forms 'ampullary' and 'ampullar' are common in medical literature.
Easily confused with ampulla
An amphora is a large two-handled ceramic storage jar from antiquity, whereas an ampulla is typically a small, narrow-necked flask or an anatomical dilation.
An ampoule is a small sealed glass container for a single dose of medication, derived from the same root as ampulla but referring specifically to pharmaceutical packaging rather than the general vessel or anatomical term.