| acetylcholine |
a form of this compound used in medicine for its ability to decrease blood pressure and cause muscular movement in such organs as the alimentary canal. [1/2 definitions] |
| ampulla |
an enlarged part of a tube or canal, as of a milk canal in the milk-secreting glands of a mammal. [1/2 definitions] |
| antiperistalsis |
reverse movement in the intestines, alimentary canal, or similar organs, causing the contents of these organs to move backwards. |
| berm |
a narrow ledge or shoulder, as alongside a road or canal. [1/3 definitions] |
| canalize |
to furnish with or convert into a canal or canals. [1/3 definitions] |
| Canal Zone |
a strip on either side of the Panama Canal that will be under U.S. control until 1999. |
| cerumen |
a waxy yellow secretion from glands in the outer ear canal; earwax. |
| cervix |
the muscular constriction between the uterus and the birth canal. [1/2 definitions] |
| dilatation |
in medicine, the state or condition of abnormal enlargement of an organ, cavity, or canal of the body. |
| diverticulum |
a tubular pouch or sac that branches out from a body canal, organ, or cavity, occurring as a normal or abnormal growth. |
| earbud |
earphones that fit into the outer ear canal. |
| endodontics |
(used with a sing. verb) the branch of dentistry that diagnoses and treats diseases of the dental pulp; root canal therapy. |
| enteron |
the alimentary canal. |
| Erie Canal |
a U.S. canal that runs through New York State and connects the Great Lakes with the Atlantic Ocean. After many years of work, the canal was completed and opened in 1825. |
| Eustachian tube |
a passage connecting the middle ear with the throat; auditory canal. |
| fistula |
a canal or passage created as a result of a wound, abscess, or the like that opens on the surface of the body or connects two cavities. [1/2 definitions] |
| floodgate |
a gate, as in a canal, used to control a flow or level of water. [1/2 definitions] |
| gut |
the food canal or a part of it, esp. the stomach or intestines. [1/11 definitions] |
| outer ear |
the part of the ear that is visible outside of the head and which includes the auricle and the canal leading to the eardrum. |
| Panama Canal |
a canal that reaches from the Atlantic southeast through the Isthmus of Panama to the Pacific. |
| root canal |
a dental procedure in which the root canal is opened, cleaned, and then filled. [1/2 definitions] |