Information about Nephridiopore
Nephridiopore is part of the nephridia, an excretory organ found in many organisms, such as flatworms or annelids. Nephridia are analogous to nephrons or uriniferous tubules found in the kidney of humans.
The nephridia consists of an opening called nephrostome, a long convoluted tubule and another opening called the nephridiopore. Body fluids are filtered in through the nephrostome and passed through the convoluted tubule system. Essential substances are reabsorbed through active mechanisms and waste products are secreted back into the lumen of the tube. The resulting excretory fluid or urine is passed out through the nephridiopore.
The nephridia consists of an opening called nephrostome, a long convoluted tubule and another opening called the nephridiopore. Body fluids are filtered in through the nephrostome and passed through the convoluted tubule system. Essential substances are reabsorbed through active mechanisms and waste products are secreted back into the lumen of the tube. The resulting excretory fluid or urine is passed out through the nephridiopore.
Nephridia are invertebrate organs which function similarly to kidneys. They remove metabolic wastes from an animal's body. They are present in many different invertebrate lines. There are two basic types, metanephridia and protonephridia.
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Excretion is the process of eliminating waste products of metabolism and other non-useful materials.[1] It is an essential process in all forms of life.
In single-celled organisms, waste products are discharged directly through the surface of the cell.
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In single-celled organisms, waste products are discharged directly through the surface of the cell.
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organ (Latin: organum, "instrument, tool") is a group of tissues that perform a specific function or group of functions. Usually there is a main tissue and sporadic tissues. The main tissue is the one that is unique for the specific organ.
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Plantae Chromalveolata Heterokontophyta Haptophyta Cryptophyta Alveolata
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Platyhelminthes
Gegenbaur, 1859
Classes
Monogenea
Trematoda
Cestoda
Turbellaria
The flatworms (Phylum Platyhelminthes from the Greek platy, meaning "flat" and helminth
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Gegenbaur, 1859
Classes
Monogenea
Trematoda
Cestoda
Turbellaria
The flatworms (Phylum Platyhelminthes from the Greek platy, meaning "flat" and helminth
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Annelida
Lamarck, 1809
Classes and subclasses
Class Polychaeta (paraphyletic?)
Class Clitellata*
Oligochaeta - earthworms, etc.
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Lamarck, 1809
Classes and subclasses
Class Polychaeta (paraphyletic?)
Class Clitellata*
Oligochaeta - earthworms, etc.
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A nephron (from Greek νεφρός (nephros) meaning "kidney") is the basic structural and functional unit of the kidney. Its chief function is to regulate the concentration of water and soluble substances like sodium salts by filtering the blood,
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Nephrostome is the funnel-like component of a metanephridium. It is always oriented towards the coelom. The nephrostome is covered from the inside with cilia, which push the water, metabolic wastes, unnecessary hormones and other substances into the metanephridium.
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Convoluted tubule is the compound of a metanephridium which is wrapped with capillaries. The process of reabsorption occurs in this part of the metanephridium.
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Filtration is the processe of using a filter to mechanically separate mixtures. Depending on the application, either one or both of the components may be isolated. Examples of filtration include A) a coffee filter to keep the coffee separate from the grounds and B) the use of HEPA
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Nephrostome is the funnel-like component of a metanephridium. It is always oriented towards the coelom. The nephrostome is covered from the inside with cilia, which push the water, metabolic wastes, unnecessary hormones and other substances into the metanephridium.
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This article or section may be confusing or unclear for some readers.
Please [improve the article] or discuss this issue on the talk page. This article has been tagged since February 2007.
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Please [improve the article] or discuss this issue on the talk page. This article has been tagged since February 2007.
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Secretion is the process of segregating, elaborating, and releasing chemicals from a cell, or a secreted chemical substance or amount of substance.
Eukaryotic cells have a highly evolved process of secretion.
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Eukaryotic cells have a highly evolved process of secretion.
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Urine is a liquid produced by animals through the kidney, and is collected in the bladder and excreted through the urethra.
Urine formation helps to maintain the balance of minerals and other substances in the body.
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Urine formation helps to maintain the balance of minerals and other substances in the body.
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