33 results found

Search Results for: gill

Gill

Gill a woody glen; a narrow valley containing a stream. Origin: Icel. Gil. 1. (Science: anatomy) An organ for aquatic... Read More

Gills

Gill a woody glen; a narrow valley containing a stream. Origin: Icel. Gil. 1. (Science: anatomy) An organ for aquatic... Read More

Evolution Of Fins And Limbs Linked With That Of Gills

Mar. 25, 2009 — The genetic toolkit that animals use to build fins and limbs is the same genetic toolkit that controls... Read More

Cellular composition and ultrastructure of the gill epithelium of larval and adult lampreys : Implications for osmoregulation in fresh and seawater

Review Article Helmut Bartels and Summary    Lampreys, one of the only two surviving groups of agnathan... Read More

SUMO Protein Guides Chromatin Remodeler To Suppress Genes

May 2, 2009 — In an in vitro study, led by Grace Gill, PhD, Tufts University School of Medicine, researchers discovered... Read More

European lancelet

Definition noun, plural: European lancelets A lancelet species of the genus Branchiostoma and is commonly used as a model... Read More

Respiratory system

Definition noun An organ system comprised of organs and structures associated for respiration or gas exchange Supplement An... Read More

Gut reaction: Researchers define the colon’s genome

For the first time, scientists have defined the collective genome of the human gut, or colon. Up to 100 trillion microbes,... Read More

Siphon

siphon 1. A device, consisting of a pipe or tube bent so as to form two branches or legs of unequal length, by which a... Read More

Rake

rake 1. An implement consisting of a headpiece having teeth, and a long handle at right angles to it, used for collecting... Read More

Spiracle

spiracle 1. (Science: anatomy) The nostril, or one of the nostrils, of whales, porpoises, and allied animals. 2. (Science:... Read More

Strings As Structural Elements? Engineers Devise Mathematics For New Age Structures

Strings As Structural Elements? Engineers Devise Mathematics For New Age Structures Scientists at the University of... Read More

To Save Rare Stingrays, UF Researcher Turns To Native Florida Species

Writer: Aaron Hoover Source: Peter Piermarini, (352) 392-1107, pmpierma@zoo.ufl.edu GAINESVILLE, Fla. --- Only a few of... Read More

Lamellae

Definition noun, singular: lamella (general) Thin structures resembling a plate. (cell biology) Intergrana thylakoids, i.e.... Read More

Head gut

Definition noun The portion of the gut in certain vertebrate animals (such as fish) that include the oral or buccal cavity... Read More

Osteichthyes

Definition noun A taxonomic superclass of a diverse group of fish that have skeletons composed primarily of bone... Read More

Chondrichthyes

Definition noun A taxonomic class comprised of cartilaginous fish Supplement Chondrichthyes is taxonomic superclass of... Read More

Agnathan

Definition noun, plural: agnathans Any of the jawless fish species belonging to the taxonomic superclass Agnatha of the... Read More

Tunicate

Definition noun, plural: tunicates Any of the sessile marine chordates of the subphylum Tunicata Supplement Chordates... Read More

Hyaline cartilage

Hyaline Cartilage Definition Firstly, let us ask, what is cartilage? Cartilage is a tough and flexible material. It can be... Read More

Erythrocyte

Definition noun, plural: erythrocytes A blood cell with hemoglobin-rich cytoplasm and whose main function is to transport... Read More

Planet Earth: As You’ve Never Seen It Before

Planet Earth: As You've Never Seen It Before     ... Read More

Chordata

Chordata Definition What is Chordata? Chordata is the phylum of the animal kingdom that includes a large number of animal... Read More

Decapoda

Decapoda 1. (Science: zoology) The order of crustacea which includes the shrimps, lobsters, crabs, etc. They have a... Read More

Gallons

Gallon a measure of capacity, containing four quarts; used, for the most part, in liquid measure, but sometimes in dry... Read More

Liquids

Liquid 1. A substance whose parts change their relative position on the slightest pressure, and therefore retain no definite... Read More

Oyster

oyster 1. (Science: marine biology, zoology) Any marine bivalve mollusk of the genus ostrea. They are usually found adhering... Read More

Build Parks To Climate Proof Our Cities

May 2007 -- Scientists looking at the effect global warming will have on our major cities say a modest increase in the... Read More

Effects of the organophosphorous methyl parathion on the branchial epithelium of a freshwater fish Metynnis roosevelti

Effects of the organophosphorous methyl parathion on the branchial epithelium of a freshwater fish Metynnis... Read More

Temporal and spatial distribution of the ichthyofauna in two streams of the upper Rio Paraná basin

Temporal and spatial distribution of the ichthyofauna in two streams of the upper Rio Paraná basin  Carla Simone... Read More

Awakening from Sleep and Hypoglycemia in Type 1 Diabetes Mellitus

Ilan Gabriely*, Harry Shamoon Funding: Supported in part by the following National Institutes of Health grants:... Read More

New Microscopy Method Reveals Molecular Map Of Biological Surfaces

Using modern microscopy tools, scientists have been able to look at the molecules and molecular structures on viruses,... Read More

Why Is The Mary River Turtle Endangered

The Mary River Turtle  (Elusor macrurus) has been named recently as one of the species on the brink of extinction. That is... Read More