sigmoid vein, vena sigmoideus - tributaries of the inferior mesenteric vein; drains the sigmoid colon

large intestine - beginning with the cecum and ending with the rectum; includes the cecum and the colon and the rectum; extracts moisture from food residues which are later excreted as feces

megacolon - an abnormal enlargement of the colon; can be congenital (as in Hirschsprung's disease) or acquired (as when children refuse to defecate)

transverse colon - the part of the large intestine that extends across the abdominal cavity and joins the ascending to the descending colon

ascending colon - the part of the large intestine that ascends from the cecum to the transverse colon

descending colon - the part of the large intestine that descends from the transverse colon to the sigmoid colon

sigmoid colon, sigmoid flexure - the s-shaped curve between the descending colon and the rectum

centavo - a fractional monetary unit of several countries: El Salvador and Sao Tome and Principe and Brazil and Argentina and Bolivia and Colombia and Cuba and the Dominican Republic and Ecuador and El Salvador and Guatemala and Honduras and Mexico and Nicaragua and Peru and the Philippines and Portugal

El Salvadoran monetary unit - monetary unit in El Salvador

centimo - a fractional monetary unit of Venezuela and Costa Rica and Equatorial Guinea and Paraguay and Spain

Costa Rican monetary unit - monetary unit in Costa Rica

city, metropolis, urban center - a large and densely populated urban area; may include several independent administrative districts; "Ancient Troy was a great city"

port - a place (seaport or airport) where people and merchandise can enter or leave a country

Panama, Republic of Panama - a republic on the Isthmus of Panama; achieved independence from Colombia in 1903

punctuation mark, punctuation - the marks used to clarify meaning by indicating separation of words into sentences and clauses and phrases