Spiracle

Spiracle

Spiracles are openings on the surface of some animals that usually lead to respiratory systems.

Read more about Spiracle:  Vertebrates, Arthropods

Other articles related to "spiracles, spiracle":

Sarcophaga Bullata - Development - Larvae
... Posterior spiracles are sunken in, which is a characteristic that can be used to distinguish between flesh fly and blow fly larvae ... They also lack an anterior spiracle, while the posterior spiracle usually consists of two lobes rarely it may be bispinose ... long and closely resemble the third instar with the exception being that the posterior spiracle has only two openings ...
Spiracle - Arthropods
... Insects and some more advanced spiders have spiracles on their exoskeletons to allow air to enter the trachea ... The spiracles can be opened and closed in an efficient manner to reduce water loss ... This is done by contracting closer muscles surrounding the spiracle ...
Chrysomya Rufifacies - Description - Adult
... dilation, and a vestiture of the anterior thoracic spiracle that is pale in color ... megacephala and rufifacies is accomplished by observing the anterior thoracic spiracle color ... Chrysomya rufifacies has a pale or white anterior thoracic spiracle, while Chrysomya megacephala has a dark brown or dark orange anterior thoracic spiracle ...
Calliphora Loewi - Importance - Forensic
... Entomologists can use SDF (spiracle distance factor) values when identifying between Calliphora sp ... SDF is calculated by dividing the distance between the spiracles by the greatest diameter of one spiracle ... Since the greatest diameter of one spiracle tends to remain constant for each species, SDF values are very useful ...
Vertebrate Gills - Cartilaginous Fish
... A smaller opening, the spiracle, lies in the back of the first gill slit ... The spiracle is thought to be homologous to the ear opening in higher vertebrates ... or bottom dwelling species, especially among skates and rays, the spiracle may be enlarged, and the fish breathes by sucking water through this opening, instead of through the mouth ...