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spiracle's Usage Examples:

A spiracle or stigma is the opening in the exoskeletons of insects and some more derived[clarification needed] spiders to allow air to enter the trachea.

The spiracle is a small hole behind.

spiders of the family Clubionidae and other spiders by having the abdominal spiracle placed one third to one half of the way anterior to the spinnerets toward.

respiratory function, and in elasmobranchs they are the gill arch of the spiracle.

respiratory systems of insects through a series of external openings called spiracles.

The larvae have a single spiracle on the left side and complex mouthparts, or in some species, undergo direct.

A modified slit, called a spiracle, lies just behind the eye, which assists the shark with taking in water.

The first tergite is box-like with the spiracle anterior to the middle.

Uniquely, they have a pair of pocket-like organs on the seventh abdominal spiracle of the adult moth which are only possibly sound receptive organs.

A smaller opening, the spiracle, lies in the back of the first gill slit.

The otic notch instead functioned as a spiracle, at least in the early forms.

internal gills vented by spiracles.

Depending on the species, there can be two spiracles on both sides of the body, a single spiracle on the underside near.

cetology, the study of whales and other cetaceans, a blowhole is the hole (or spiracle) at the top of the head through which the animal breathes air.

The best defining feature, unique to the family, is the mesothoracic spiracle has moved, and is actually located in the upper corner of the pronotum.

The anterior spiracles (prothoracic spiracles) end bluntly and are not elongated.

Though all but the most primitive bony fish lack a spiracle, the pseudobranch associated with it often remains, being located at the.

The metathoracic spiracle located externally at the side of the metaventrite is a unique feature.

Adults are chemically defended, having a modified tracheal gland and spiracle on each side which squirts quinones which can poison or discourage a predator.

spiracle's Meaning':

a breathing orifice

Synonyms:

blowhole; orifice; porta; stigma; opening;

Antonyms:

natural object; finish; closing;