Stoma

stoma
small opening such as found in leaves; plural, stomata
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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The stomach lies between the esophagus and the first part of the small intestine (the duodenum). It is on the left side of the abdominal cavity, the fundus of the stomach lying against the diaphragm.
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Stoma in Greek means "mouth".
Stoma Paradox
As the key reactant in photosynthesis, carbon dioxide, is found in the atmosphere, most plants require the stoma to be open during daytime.
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A cancer of the human retina. Predisposition to retinoblastoma is inherited as an autosomal dominant. A childhood cancer of retinoblast cells caused by the inactivation of an anti-oncogene.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
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Retinoblastoma is a cancerous tumor of the retina. It occurs in two forms: Familial retinoblastoma Multiple tumors in the retinas of both eyes occurring in the first weeks of infancy.
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stomata: the pores within leaves surrounded by guard cells that regulate the rate of gas exchange, which regulates the rate of photosynthesis. (Singular, stoma.) ...
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Stomata and CO2 Concentration
Stomata (singular stoma) are microscopic openings on the undersurface of leaves that allow gas exchange and water evaporation from inside the leaf.
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stomata -- Openings in the epidermis of a stem or leaf of a plant which permit gas exchange with the air. In general, all plants except liverworts have stomata in their sporophyte stage.
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Stomach poison: An insecticide that is lethal only after it has been ingested by an insect, entering the insect body through the gut.
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stoma pl. stomata
[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.
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stomach The muscular organ between the esophagus and small intestine that stores, mixes, and digests food and controls the passage of food into the small intestine. PICTURE ...
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stoma (plural: stomata). Natural opening in a leaf surface that serves for gas exchange and water evaporation and has the ability to open and close in response to environmental conditions.
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stomach The expansion of the alimentary canal between the esophagus and duodenum.
stomates The small openings in leaves, herbaceous stems, and fruits through which gases and water vapor pass.
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4. Stomakhin, A, Vasiliskov, V., Timofeev, E., Schulga, D., Cotter, R., & Mirzabekov, A. (2000) Nucleic Acids Res. (in press).
The online presentation of this publication is a special feature of the Human Genome Project Information Web site.
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(
Ambystoma
mexicanum
): Literally meaning water monster (in Aztec), axolotl is a salamander (amphibian) extensively used in the evolutionary immunogenetic studies.
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Retinoblastoma -- a childhood malignant cancer of the retina of the eye. reverse transcriptase viral enzyme used to make cDNA.
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An example of this is hereditary retinoblastoma, a serious cancer of the retina that occurs in early childhood.
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Styles of art that flourished during this short period are markedly different from other Egyptian art, bearing a variety of affectations, from elongated heads to protruding stomachs, exaggerated ugliness and the beauty of Nefertiti.
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Antacids chemicals consumed by people to react with stomach acid to change the pH of the stomach contents to a neutral pH
(anti = against opposite; acid = sour sharp)
Anterior front or head end of an organism
(ante = before) ...
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gastrula - the belly, stomach] The early embryonic stage following the blastula stage during which cell migrations form distinct germ layers. The primitive gut (archenteron) is formed and opens to the exterior through the blastopore.
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Hereditary disorder caused by a mutant allele of a single gene (e.g., Duchenne muscular dystrophy, retinoblastoma, sickle cell disease in human beings). Compare polygenic disorders"polygenic disorders.
Related Terms: Mutation ...
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Organ Systems QuizCellular Respiration QuizAnatomy of the Stomach - Gastric Motilit...TundraPrefixes: end- or endo- ...
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In vertebrates, this innermost layer of cells goes on to form the linings of the gut (esophagus, stomach, intestines, rectum, colon), pharyngeal pouch derivatives (tonsils,thyroid, thymus, parathyroid glands), lungs, liver, gall bladder, pancreas.
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Single- gene disorder: Hereditary disorder caused by a mutant allele of a single gene (e.g., Duchenne muscular dystrophy, retinoblastoma, sickle cell disease). Compare polygenic disorders.
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transpiration Passage of water from the roots of a plant to the atmosphere via the vascular system and the stomata of the leaves. transporters Proteins that span a membrane and transport specific molecules across the membrane.
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