(Latin: flask)

A hermetically sealed container, usually made of glass, containing a sterile medicinal solution, or powder, to be made up in solution to be used for subcutaneous, intramuscular, or intravenous injections.
ampular, ampullary
1. Like an ampulla; that is, bottle-shaped or shaped like a flask.
2. Characterized by a saccular anatomical swelling or pouch.
A small glass vial that can be sterilized and sealed which is used primarily to store solutions that are to be administered by injection.
ampulla (s), ampullae (pl)
1. A small container for a consecrated substance, especially oil, water, or the wine used in the Christian Communion.
2. In ancient Rome, a round two-handled bottle to hold wine, oil, or perfume.
3. A flask that has two handles; used by Romans for wines or oils.
4. In anatomy, a sac-like enlargement of a canal or duct; especially, one in the semicircular canal of the ear.
5. A general term used in anatomical nomenclature to designate a flasklike dilatation of a tubular structure.

The ampulla of Vater is the enlargement of the ducts from the liver and pancreas at the point where they enter the small intestine.

ampullaceous (adjective), more ampullaceous, most ampullaceous
1. Like a bottle or inflated bladder; bottle-shaped: The balloon that Jack filled with water had an ampullaceous shape, quite similar to that of a filled flask.
2. Regarding one of the peculiar cavities in the tissues of sponges, containing the zooidal cells: An ampullaceous sac, like a pouch-like structure, was pictured in Jane's book about sponges.
Flask shaped.
Flask-shaped; dilated.
Inflammation of an ampulla, especially of the ampulla ductus deferentis (the enlarged and tortuous distal end of the ductus deferens or the excretory duct of the testis, which unites with the excretory duct of the seminal vesicle to form the ejaculatory duct).
1. A small ampulla.
2. A circumscribed dilation of any minute lymphatic or blood vessel or duct.
3. Any minute ampulla, like many of those in minute blood, lymphatic, and lacteal vessels.
juxtaampullary, juxta-ampullary
Situated by the side of an ampulla.