|
|
Definition of Ambulacrum
1. Noun. One of the five areas on the undersurface of an echinoderm on which the tube feet are located.
Definition of Ambulacrum
1. n. One of the radical zones of echinoderms, along which run the principal nerves, blood vessels, and water tubes. These zones usually bear rows of locomotive suckers or tentacles, which protrude from regular pores. In star fishes they occupy the grooves along the under side of the rays.
Definition of Ambulacrum
1. Noun. (context: of an echinoderm) A row of pores for the protrusion of appendages such as tube feet. ¹
¹ Source: wiktionary.com
Definition of Ambulacrum
1. [n -RA]
Medical Definition of Ambulacrum
1.
Origin: L, an alley or covered way.
Lexicographical Neighbors of Ambulacrum
Literary usage of Ambulacrum
Below you will find example usage of this term as found in modern and/or classical literature:
1. Materials for the study of variation treated with especial regard to by William Bateson (1894)
"ECHINOIDEA. interior ambulacrum was missing, whether it be the anterior ambulacrum,
... (2) Partial or total disappearance of a definite ambulacrum or ..."
2. Forms of Animal Life: A Manual of Comparative Anatomy : with Descriptions of by George Rolleston, William Hatchett Jackson (1888)
"One ambulacrum is anterior ; one inter- ambulacrum posterior, and easily recognisable
by the presence of the anus in it in exocyclic forms, ..."
3. Maryland Geological Survey by Maryland Geological Survey (1913)
"Part of an ambulacrum, showing one row of ambulacral plates, ... Portion of an
ambulacrum in a young specimen. About X 5. 10. Same as flg. ..."
4. Roma Sotterranea: Or, An Account of the Roman Catacombs, Especially of the by Giovanni Battista de Rossi, James Spencer Northcote (1879)
"This cubiculum, therefore, was constructed after the floor of the ambulacrum had
been lowered, and in anticipation of a more considerable depression than ..."
Other Resources:
