SPIRACLE Meaning and
Definition
-
A spiracle is a physical structure found in certain organisms, particularly in insects and some types of fish. It is typically a small opening or pore on the surface of the body that acts as a respiratory organ. The main function of a spiracle is to allow the exchange of gases, namely oxygen and carbon dioxide, with the environment.
In insects, spiracles are connected to a complex network of tubes called tracheae, which transport air directly to the cells for respiration. The opening and closing of the spiracles is controlled by special muscles, enabling insects to regulate the flow of gases and to prevent excessive water loss. Each spiracle is surrounded by a ring-like structure called a peritreme, which helps in maintaining its shape and preventing debris from entering.
In fish, spiracles are present in some species, typically those that require more oxygen for their metabolic needs. Similar to insects, fish spiracles also allow for the exchange of gases, but they are connected to the gills rather than tracheae. The spiracle in fish serves as an additional respiratory opening that aids in pumping water containing oxygen over the gills.
In summary, a spiracle is a small opening or pore found in certain organisms, performing a vital role in respiration by facilitating the exchange of gases with the environment.
-
A breathing-pore; a vent; a minute passage by which air or other fluid is inhaled or exhaled.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Common Misspellings for SPIRACLE
Etymology of SPIRACLE
The word "spiracle" comes from the Latin word "spiraculum", which translates to "air hole" or "breathing hole". It is a combination of the Latin noun "spīrāre", meaning "to breathe", and the suffix "-culum", indicating a place or instrument. The term was borrowed into English in the mid-17th century to refer to a small opening or hole in the body of an organism, typically used for respiration.
Similar spelling words for SPIRACLE
- spirograph,
- Sparkes,
- spruce,
- spraker,
- sparse,
- sparker,
- spirochaete,
- spruceness,
- sparge,
- sprocket,
- spruce up,
- spirochete,
- sparkler,
- spirogyra,
- sparkle,
- sprouse,
- spruced up,
- spark lever,
- SPIRES,
- sprucely,
- spracklen,
- spruce pine,
- spirochaeta,
- SPRAGUE,
- spore sac,
- spirogram,
- spruce beer,
- sprecher,
- spurge.
Infographic
Add the infographic to your website:
