Information about Crop (anatomy)
A crop is a thin-walled expanded portion of the alimentary tract used for the storage of food prior to digestion that is found in many animals, including gastropods, earthworms[1], leeches[2], insects, and birds.
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Bees
Cropping is used by bees to temporarily store nectar of flowers. When bees "suck" nectar, it is stored in their crop.[3]Birds
In a bird's digestive system, the crop is an expanded, muscular pouch near the gullet or throat. It is a part of the digestive tract, essentially an enlarged part of the esophagus. As with most other organisms that have a crop, the crop is used to temporarily store food. Not all birds have a crop. In adult doves and pigeons, the crop can produce crop milk to feed newly hatched birds.[4]See also
References
1. ^ Worm World: About Earthworms- [1]
2. ^ R. T. Sawyer, Leach Biology and Behaviour, Volume II - [2]
3. ^ Honeybee Biology - [3]
4. ^ The Alimentary Canal in Birds - [4]
2. ^ R. T. Sawyer, Leach Biology and Behaviour, Volume II - [2]
3. ^ Honeybee Biology - [3]
4. ^ The Alimentary Canal in Birds - [4]
External links
Anatomy of torso, digestive system: Gastrointestinal tract | |
|---|---|
| Upper GI: to stomach | Mouth • Pharynx (nasopharynx, oropharynx, hypopharynx) • Esophagus • Crop |
| Upper GI: stomach | rugae - gastric pits - cardia/gland - fundus/gland - pylorus/gland - pyloric antrum - greater curvature - lesser curvature |
| Lower GI: intestines | Small intestine (duodenum, jejunum, ileum) • Vermiform appendix • Ileocecal valve - Large intestine: Cecum • Colon (ascending colon, hepatic flexure, transverse colon, splenic flexure, descending colon, sigmoid colon) |
| Lower GI: after intestines | Rectum (Houston valve, rectal ampulla, pectinate line) • Anal canal (anal valves, anal sinuses, anal columns) - Anus: Sphincter ani internus muscle • Sphincter ani externus muscle |
| Lower GI: continuous | GALT: Peyer's patches • M cells - intestinal villus • crypts of Lieberkhn • circular folds • taenia coli • haustra • epiploic appendix |
gastrointestinal tract (GI tract), also called the digestive tract, or the alimentary canal, is the system of organs within multicellular animals that takes in food, digests it to extract energy and nutrients, and expels the remaining waste.
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Digestion is the process of metabolism whereby a biological entity processes a substance in order to chemically and mechanically convert the substance for the body to use.
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Overview
Digestion occurs at the multicellular, cellular, and sub-cellular levels, usually in animals...... Click the link for more information.
Gastropoda
Cuvier, 1797
Subclasses
Eogastropoda (True Limpets and relatives)
Orthogastropoda
The gastropods, also previously known as gasteropods, or univalves
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Cuvier, 1797
Subclasses
Eogastropoda (True Limpets and relatives)
Orthogastropoda
The gastropods, also previously known as gasteropods, or univalves
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Lumbricina
Families
Acanthodrilidae
Ailoscolecidae
Alluroididae
Almidae
Criodrilidae
Eudrilidae
Exxidae
Glossoscolecidae
Lumbricidae
Lutodrilidae
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Families
Acanthodrilidae
Ailoscolecidae
Alluroididae
Almidae
Criodrilidae
Eudrilidae
Exxidae
Glossoscolecidae
Lumbricidae
Lutodrilidae
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Hirudinea
Lamarck, 1818
Genus: Macrobdella
Orders
Arhynchobdellida or Rhynchobdellida
There is some dispute as to whether Hirudinea should be a class itself, or a subclass of the Clitellata.
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Lamarck, 1818
Genus: Macrobdella
Orders
Arhynchobdellida or Rhynchobdellida
There is some dispute as to whether Hirudinea should be a class itself, or a subclass of the Clitellata.
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Insecta
Linnaeus, 1758
Orders
Subclass Apterygota
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Linnaeus, 1758
Orders
Subclass Apterygota
- * Archaeognatha (bristletails)
- * Thysanura (silverfish)
- * Infraclass Paleoptera (Probably paraphyletic)
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Aves
Linnaeus, 1758
Orders
About two dozen - see section below
Birds (class Aves) are bipedal, warm-blooded, egg-laying vertebrate animals.
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Linnaeus, 1758
Orders
About two dozen - see section below
Birds (class Aves) are bipedal, warm-blooded, egg-laying vertebrate animals.
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The esophagus (also spelled oesophagus/œsophagus, Greek οἰσοφάγος), or gullet
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The esophagus (also spelled oesophagus/œsophagus, Greek οἰσοφάγος), or gullet
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Crop milk, also known as pigeon's milk, is a secretion from the lining of the crop of pigeons and doves with which the parents feed their young by regurgitation. Similar crop milk is also produced by flamingos.
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The esophagus (also spelled oesophagus/œsophagus, Greek οἰσοφάγος), or gullet
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A gizzard is a specialized stomach with a thick, muscular wall used for grinding up food. It is found in birds, reptiles, earthworms, some fish, insects, mollusks, and other creatures. In certain insects and mollusks, the gizzard features chitinous plates or teeth.
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Human anatomy is primarily the scientific study of the morphology of the adult human body.[1] It is subdivided into gross anatomy and microscopic anatomy.[1]
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Torso is an anatomical term for the central part of the many animal bodies (including that of the human) from which extend the neck and limbs. It is sometimes referred to as the trunk. The torso includes the thorax and abdomen.
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The digestive system is the organ system that breaks down and absorbs nutrients that are essential for growth and maintenance. The digestive system includes the mouth, esophagus, stomach, pancreas, liver, gallbladder, duodenum, jejunum, ileum, (intestines), rectum, and anus.
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gastrointestinal tract (GI tract), also called the digestive tract, or the alimentary canal, is the system of organs within multicellular animals that takes in food, digests it to extract energy and nutrients, and expels the remaining waste.
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The human mouth (or oral cavity) is covered by an upper and lower lip.
The mouth starts digestion by physically chewing the food and breaking it down with saliva.
The average male mouth holds a volume of about 100mL.
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The mouth starts digestion by physically chewing the food and breaking it down with saliva.
The average male mouth holds a volume of about 100mL.
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The pharynx (plural: pharynges) is the part of the neck and throat situated immediately posterior to the mouth and nasal cavity, and cranial, or superior, to the esophagus, larynx, and trachea.
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The nasopharynx (nasal part of the pharynx) lies behind the nose and above the level of the soft palate: it differs from the oral and laryngeal parts of the pharynx in that its cavity always remains patent (open).
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The Oropharynx (oral part of the pharynx) reaches from the soft palate to the level of the hyoid bone.
It opens anteriorly, through the isthmus faucium, into the mouth, while in its lateral wall, between the two palatine arches, is the palatine tonsil.
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It opens anteriorly, through the isthmus faucium, into the mouth, while in its lateral wall, between the two palatine arches, is the palatine tonsil.
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In human anatomy, the hypopharynx (or laryngopharynx) is the bottom part of the pharynx, and is the part of the throat that connects to the esophagus.
The superior boundary of the hypopharynx is at the level of the hyoid bone.
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The superior boundary of the hypopharynx is at the level of the hyoid bone.
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The esophagus (also spelled oesophagus/œsophagus, Greek οἰσοφάγος), or gullet
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In anatomy, the stomach is a bean-shaped hollow muscular organ of the gastrointestinal tract involved in the second phase of digestion, following mastication. The word stomach is derived from the Latin stomachus, which derives from the Greek word
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Rugae is a term used in anatomy that refers to a series of ridges produced by folding of the wall of an organ. Most commonly the term is applied to the internal surface of the stomach. The stomach rugae may be seen during esophagogastroduodenoscopy or in radiological studies.
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Gastric pits are indentations in the stomach which denote entrances to the glands. They are deeper in the pylorus than they are in the other parts of the stomach. The human stomach has several million of these pits.
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cardia (or esophagogastric junction[1][2] or gastroesophageal junction[3][4][5][6]) is the anatomical term for the junction orifice of the stomach and the esophagus.
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The cardiac glands of the stomach are few in number and occur close to the cardiac orifice where the esophagus joins the stomach.
In general, they are more shallow than those in the other parts of the stomach.
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In general, they are more shallow than those in the other parts of the stomach.
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The fundus of the stomach is the left portion of the stomach's body, and is marked off from the remainder of the body by a plane passing horizontally through the cardiac orifice.
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The fundus glands (or fundic glands, or gastric glands) are found in the body and fundus of the stomach.
They are simple tubes, two or more of which open into a single duct.
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They are simple tubes, two or more of which open into a single duct.
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Not to be confused with Pillory.
The pylorus (from Greek πυλωρος = "gate guard") is the region of the stomach that connects to the duodenum...... Click the link for more information.
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