Spiracle

Spiracle

In insects and some other terrestrial arthropods, a small opening through which air is taken into the tracheae. Insects have several spiracles, arranged along the sides of the abdomen.

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Part of Speech: noun
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Industry/Domain: Biology
Category: Zoology
Company: Berkeley
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Related terms

spiracle

Natural environment; Coral reefs

One of the external openings communicating with the air tubes (tracheae) or book lungs of certain arthropods; a tubular opening, formed from the modified first gill cleft, ...

spiracle

Animals; Spiders

The opening of the tracheae on the underside of the abdomen.

spiracles

Agriculture; Rice science

Breathing pores; any of several tracheal openings in the exoskeleton of an insect.

spiracle

Biology; Zoology

In insects and some other terrestrial arthropods, a small opening through which air is taken into the tracheae. Insects have several spiracles, arranged along the sides of the ...

spiracle

Biology; Entomology

Respiratory openings on the thorax and abdomen that allow air to enter the trachea.

breed

Biology; Zoology

To reproduce by giving birth or hatching. Mosquitoes breed in water and seals breed on land.

locomotion

Biology; Zoology

Movement from one place to another. Animals often use limbs, wings, or other appendages for locomotion.

gut (enteron)

Biology; Zoology

Body cavity formed between the mouth and anus in which food is digested and nutrients absorbed; it consists of the mouth, pharynx, esophagus, stomach, intestine, and anus, though ...

gnathobase

Biology; Zoology

The expanded and hardened base of the appendage of many arthropods, notably trilobites, crustaceans, and marine cheliceramorphs. Used to macerate food items before ingestion.

gill slit

Biology; Zoology

A slitlike or porelike opening connecting the pharynx of a chordate with the outside of the body. Gill slits may contain the gills and be used for gas exchange, as in most fish, ...

gill arches

Biology; Zoology

Stiffenings which support the flesh between the gill slits of chordates. In most vertebrates, the first gill arches have been modified to form the jaw, and in tetrapods, the inner ...