"Astomous" Pronounce,Meaning And Examples
"Astomous" Natural Recordings by Native Speakers
"Astomous" Meaning
"Astomous" is an adjective used to describe organisms that lack a mouth or do not have a defined opening for feeding. These creatures typically obtain nutrients through other means, such as absorption from their surroundings.
"Astomous" Examples
The term "astomous" refers to organisms without a mouth or having no obvious opening for feeding. Here are five usage examples:
1. In Coral Biology: Some primitive coral species are astomous, relying on symbiotic relationships with algae for nutrition rather than consuming food through a mouth.
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- Astomous corals, like the sea pens, have no visible mouth and obtain energy through photosynthesis performed by their symbiotic zooxanthellae.
2. In Zoology: The Tardigrade, also known as a water bear, has an astomous stage during its life cycle, where it does not possess a functional mouth.
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- During certain stages of development, tardigrades can become astomous, temporarily ceasing feeding until they molt into their next phase.
3. In Protozoan Studies: Some protozoans, such as the amoeba, can be astomous, engulfing food particles through a process called phagocytosis instead of having a specialized mouth structure.
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- The single-celled organism Amoeba proteus is astomous; it engulfs food particles using its pseudopodia without the need for a distinct mouth.
4. In Marine Ecology: Certain colonial organisms, like bryozoans, have individual cells called zooids that can be astomous, depending on the function they serve within the colony.
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- Some bryozoan colonies contain astomous zooids that specialize in filtration or defense, while others have feeding zooids equipped with a mouth for capturing plankton.
5. In Annelid Anatomy: Although most annelids ( segmented worms) have mouths, there are exceptions, such as the acorn worms (Hemichordata), which can be considered astomous.
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- The acorn worm Saccoglossus kowalevskii is an example of an astomous annelid-like animal, lacking a true mouth and instead absorbing nutrients directly through its skin.
"Astomous" Similar Words
Astigmatic
Astigmatic refers to an optical condition where the eye or a lens is unable to focus light evenly in all directions, resulting in blurred or distorted vision. It is often corrected with glasses or contact lenses that have different powers for different meridians of the eye.
Astigmatism
Astigmatism is a common vision condition in which the cornea (the clear front cover of the eye) is irregularly shaped. This irregular shape causes light to focus unevenly on the retina, leading to blurred or distorted vision. It can be corrected with eyeglasses, contact lenses, or sometimes through surgery.
Astigmia
Astigmatism is an optical condition in which an individual's cornea or lens is irregularly shaped, causing light to focus unevenly on the retina. This results in blurred vision at all distances and can be corrected with glasses, contact lenses, or sometimes through surgery.
Astilbe
Astilbe is a genus of flowering plants in the saxifrage family (Saxifragaceae). They are known for their showy, plume-like clusters of flowers that come in various shades of pink, red, or white. These plants are popular in gardens for their ornamental value, often used as borders, in shade gardens, or as cut flowers. Astilbes prefer moist, well-drained soil and partial to full shade. They are native to Asia and North America and are commonly cultivated for their attractive foliage and colorful blooms that typically appear in summer.
Astipulate
To astipulate means to agree or stipulate upon something, usually in a formal or contractual context. It involves specifying or laying down certain terms, conditions, or details that both parties must abide by in an agreement or negotiation.
Astipulation
"Astipulation" refers to a specific condition or requirement that is agreed upon by two or more parties in a contract, negotiation, or agreement. It is a stipulation or provision that forms part of the terms and conditions to which all parties must adhere.
Astomatous
Astomatous refers to a condition where a person or an animal lacks a mouth or has an incomplete or abnormal mouth structure. It can also describe something that is without an opening, like a container that is sealed shut.
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