Ambulacral
Definition
Belonging to the ambulacrum, relating to the ambulacrum or to the water vascular system of echinoderms (such as starfish or sea urchins). The term describes anatomical elements, perforated zones of the exoskeleton, or flexible hydraulic feet utilized by these marine organisms for locomotion, fixation, respiration, and food capture in their natural environment.
Bilingual Equivalents
- Ambulacral
- Ambulacrar
Grammatical & Source Details
| Inflection Type | Variable adjective with standard masculine, feminine, and structural plural variations. |
| Formation | Neologic borrowing from French (ambulacraire), rooted in the Latin structural radical 'ambulacrum'. |
| Spelling / Pronunciation | [am.bu.la.ˈkrar] |
| Source | Glossary of Invertebrate Anatomy and Marine Biology Standards |
Contextual Usage Examples
RO: Cercetătorul a analizat zona ambulacrară a ariciului de mare sub microscopul electronic.
EN: The researcher analyzed the ambulacral zone of the sea urchin under the electron microscope.
RO: Piciorușele din sistemul ambulacrar funcționează pe baza presiunii hidrostatice generate de organism.
EN: The tube feet in the ambulacral system operate based on the hydrostatic pressure generated by the organism.
RO: Fiecare șanț ambulacrar este prevăzut cu sute de ventuze mici utilizate pentru fixarea pe stânci.
EN: Each ambulacral groove is provided with hundreds of small suction cups used for anchoring onto rocks.
Idioms & Phrases
Sistem ambulacrar / Ambulacral system
RO: Aparat acvifer complex, specific echinodermelor, care îndeplinește funcții de locomoție și respirație.
EN: A complex water vascular apparatus, specific to echinoderms, fulfilling locomotion and respiration functions.
Picioruș ambulacrar / Ambulacral foot
RO: Prelungire tubulară mică și flexibilă cu care stelele de mare se deplasează pe fundul oceanului.
EN: A small, flexible tubular extension with which starfish move along the ocean floor.
Zonă ambulacrară / Ambulacral zone
RO: Regiune a corpului nevertebratelor de-a lungul căreia sunt dispuse orificiile pentru picioarele hidraulice.
EN: A region of the invertebrate body along which the openings for the hydraulic feet are arranged.
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