mouth
noun
1. the oral cavity located at the upper end of the alimentary canal that opens to the outside at the lips and empties into the throat at the rear, and containing structures for mastication and tasting especially in higher vertebrates ...
The Mouth
(Cavum Oris; Oral Or Buccal Cavity)
The cavity of the mouth is placed at the commencement of the digestive tube (Fig. 994); it is a nearly oval-shaped cavity which consists of two parts: an outer, smaller portion, the vestibule, ...
Foot and mouth disease
Foot-and-mouth disease (FMD), sometimes called hoof-and-mouth disease, is a highly contagious but non-fatal viral disease of cattle and pigs.
Foot-and-mouth disease is caused by FMDV, an Aphthovirus of the viral family Picornaviridae.
mouth -- Front opening of the digestive tract, into which food is taken for digestion. In flatworms, the mouth is the only opening into the digestive cavity, and is located on the "belly" of the worm.
mouth The oral cavity; the entrance to the digestive system where food is broken into pieces by the teeth and saliva begins the digestion process.
mouth
The anterior opening of the alimentary canal of animals through which food is taken into the body. It is often surrounded by mouthparts or tentacles that facilitate feeding.
The Mouth and Pharynx
Mechanical breakdown begins in the mouth by chewing (teeth) and actions of the tongue. Chemical breakdown of starch by production of salivary amylase from the salivary glands.
chewing mouthparts - generally refers to oral organs that articulate to macerate food prior to ingestion; in most insects this refers to the mandibles ...
mouthlike opening
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby
...
Your Mouth Is The Chomping Champ
As you lift the hotdog up towards your mouth, what is the first thing you do, to begin breaking it down into smaller pieces? That is right, you bite it.
[Gk. mouth]
A microscopic pore surrounded by guard cells in the epidermis of leaves and stems that allows gas exchange between the environment and the interior of the plant.
strategy ...
labium Mouthpart in insects composed of fused second maxillae; homologous to second maxillae of crustaceans.
filling its mouth with air
then closing its mouth
closing the internal openings to its nostrils
opening its glottis
raising the floor of its mouth thus forcing air into the lungs.
The frog's skin serves as a supplementary organ of gas exchange.
The food enters at the mouth, is processed and absorbed, and the remains are eliminated via an anus...a much more efficient system. When your child or dog has "worms" they are usually nematodes (although they could be tapeworms).
While not all species do, many flatworm species use a mouth to eat. The only problem with no anus is that the stuff you don't digest has to go out the mouth when you're done.
Then people can take it by mouth, and that's going to give control to everybody. There won't be any toxicities because you give these drugs to people, you need to have physicians to monitor them to see if they get sick.
broad classification of organisms that tend to share certain embryological traits; among these the formation of the "mouth first" (hence the name) during gastrulation, before the future anus.
[Gr. protos - first, primary; Gr. stomatos - mouth]. A group of Metazoans that exhibit determinate, spiral cleavage and that develop a mouth from the blastopore. (ex. Nematodes, Flatworms, Molluscs).
Head: The anterior region of an insect, which bears the mouthparts, eyes, antennae and houses the brain.
Herbicide: A substance used to kill or control weeds.
Hermaphroditic: Having both male and female sex organs in one individual.
A ring of cilia constantly beats around its "mouth" creating a vortex, thereby drawing in food which consists of smaller unicellular organisms and bacteria. The stalk resembles an over-extended spring when the Vorticella is feeding.
mandibles. Jaws; the forward-most pair of mouthparts of an insect.
meconium. Fecal pellet excreted by a larva before pupation.
meristem. The collection of cells at the growing point of a plant that are capable of cell division.
Alcohol is associated with cancers of the mouth, throat, esophagus, larynx, and liver.
Alcohol is even more dangerous if drinking is accompanied by tobacco use (smoking or chewing).
Radiation ...
HIV transmitted through sexual activity enters the bloodstream via mucous membranes lining the vagina, rectum and mouth.
For example, a brain injury can turn a polite, mild-mannered person into a foul-mouthed, aggressive boor, and we routinely modify the behavioral manifestations of mental illnesses with drugs that alter brain chemistry.
Estuary an area where fresh and salt water mix‚ such as at the mouth of a river where it enters the ocean - salt concentration of the water is variable
(estuar = the sea) ...
- Insects belonging to the family Cicadellidae in the order Hemiptera. They are recognized by their piercing-sucking mouthparts and by the presence of rows of spine-like setae (hairs) in their hind tibiae.
Reptiles have a weak jaw and a mouthful of undifferentiated teeth. Their jaw is closed by three muscles: the external, posterior and internal adductor. Each reptile tooth is single cusped. Mammals have powerful jaws with differentiated teeth.
Coral polyp: a small individual coral animal with a tube-shaped body and a mouth surrounded by tentacles.
Similar blistering diseases due to keratin mutations in other tissues affect the esophagus, eyes, and mouth.
 See also: Organ, Human, Cells, Trans, Animal
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