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Definitions from WordNet
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Definitions from the Web
Gill Arch
Definition: A curved bony or cartilaginous structure present in fish and some amphibians, forming the skeletal framework of the gills.
Senses/Usages:
- Anatomy: In fish, each gill arch supports a row of gill filaments, where oxygen from water is extracted.
- Evolutionary Biology: Gill arches are considered an important characteristic distinguishing fish from other vertebrates.
- Ichthyology: The study of gill arches plays a critical role in understanding the respiratory systems of different fish species.
- Embryology: During embryonic development, gill arches form in early vertebrates before being modified into various structures as the animal grows.
- Aquaculture: Knowledge of gill arch anatomy is essential in fish farming to ensure proper fish health and efficient respiration.
Sample Sentences:
- The fisherman carefully examined the gill arches to determine the age and health of the catch.
- Scientists have discovered fascinating insights into the evolution of vertebrates by studying the development of gill arches.
- Ichthyologists use microscopic techniques to analyze the gill arches of different species, revealing unique adaptations for oxygen extraction.
- The formation of gill arches during embryogenesis is a vital stage in the development of aquatic animals.
- Improper water conditions can negatively impact the gill arches of fish, leading to difficult respiration and potential health issues.
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