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National Oceanic and Atmospheric Administration
Industry: Government
Number of terms: 30456
Number of blossaries: 0
Company Profile:
NOAA Coral Reef Conservation Program, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
Used to describe a pigment pattern of dark stippling.
Industry:Natural environment
A dangerous and potentially lethal condition of divers precipitated by rapid changes in ambient atmospheric pressure, mostly in rapid ascent from underwater, but can also result from flying in an aircraft too soon after a dive. It occurs because at high pressures (such as SCUBA divers experience while underwater) the blood can contain more dissolved nitrogen than at lower pressures. When the diver ascends too rapidly, the blood can no longer contain this dissolved nitrogen and tiny gas bubbles begin to form in the blood. Symptoms include: body pain (mainly in the joints), headache, confusion, itchy skin rash, visual disturbances, weakness or paralysis, dizziness, or vertigo. Treatment involves the administration of oxygen and placing the patient into a decompression chamber until the nitrogen bubbles shrink and safely diffuse from the tissues.
Industry:Natural environment
A land form such as a spit or bar which forms an isthmus between an island and a mainland shore, or between two islands .
Industry:Natural environment
A number expressing the amount of some change or effect under certain conditions.
Industry:Natural environment
A skeletal element in octocorals. Sclerites are composed of calcite spicules; also, a hard plate or element of the exoskeleton of some arthropods.
Industry:Natural environment
An assemblage of organisms or their parts brought together after their deaths, as for example, by flowing water; 'death assemblage'.
Industry:Natural environment
Any of about nearly 400 species of bony fishes in the family Scorpaenidae. Scorpionfishes have large, heavily ridged and spined heads.They possess venomous spines on their dorsal fins, each with a groove and venom sac. Scorpionfishes are well camouflaged to blend in with their environment with fleshy projections and background coloration. Some can change their colour to better match their surroundings. The most venemous fish in the world, the reef stonefish (Synanceia verrucosa), is disguised to look like a encrusted rock or lump of coral. This species is widely distributed throughout tropical, marine waters of the Indo-Pacific. Most species of scorpionfishes are demersal, living on or near the bottom. They are carnivorous ambush predators feeding on crustaceans, cephalopods and fishes.
Industry:Natural environment
Needle-like or having needle-like parts.
Industry:Natural environment
Refers to those substances produced by the metabolism of a living organism, especially carbon-containing compounds.
Industry:Natural environment
The centre part of a chromosome that appears ‘pinched’, in between the short arm (p) and the long arm (q). The centromere holds the two chromatids together, and during cell division (mitosis) it is the site of attachment for the spindle fibers.
Industry:Natural environment
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