The spiders hunting on marjoram would have had little opportunity to excrete
without soiling nearby vegetation if they had remained on their hunting sites.
Diabetes and hypertension are the primary causes for end-stage renal disease (ESRD) - a crippling condition in which the kidney function is reduced to less 10 percent of baseline, and the organ is unable to excrete
wastes, concentrate urine, or regulate electrolytes.
The animals excrete
up to 95 percent of a tetracycline administered, Kuhne says.
The most probable explanation, say the researchers, is that the fluid in the blood slips out of the circulatory system into tissues--causing puffiness and swelling but less blood volume--or that the excess fluid in the astronauts' upper body signals the kidneys to excrete
fluid as urine.
When bacteria excrete
some of their dehydrated gel into the nozzles, they may trigger what Oster calls "snot guns.
Even untreated cattle, horses, and chickens excrete
natural estrogens, testosterone, and other steroids (SN: 11/3/01, p.
Livestock naturally excrete
large amounts of estrogen and testosterone, hormones that can harm crops and wildlife when farmers use manure as fertilizer (SN: 7/15/95, p.
Bacteria eats the soybean oil and excretes
an enzyme that breaks down the TCE.
After the scavenger insect digests the prey, it excretes
waste onto the plant's leaves or near its roots.