Wood's light, Withholding time, Veterinary Clinics, Diagnoses, Terms and Drug Handbook Online

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Wood's light

An ultraviolet light filtered through nickel oxide. Of the common dermatophytes, only M. canis fluoresces, 25 to 50% of the time.... ↪ Read more

Withholding time

Time milk must be withheld from sale following treatment to avoid appearance of residues in milk.... ↪ Read more

Withholding period

The time after a drug is administered, before the animal can be marketed (or the milk used for human consumption).... ↪ Read more

Withdrawal time

Time meat must be withheld from sale following treatment to avoid sale of residue laden meat.... ↪ Read more

Withdrawal periods

The amount of time it takes for a drug to be broken down in the body until it is at a level safe for human consumption.... ↪ Read more

Winter Baby Syndrome

Crias born in the winter months that are deficient in vitamin D.... ↪ Read more

Wind up

Sensitization of the central nervous system in response to sustained pain. With sustained pain, new receptors (NMDA receptors)are formed in the central nervous system. These receptors use a very fast neurotransmitter and cause a marked increase in the amount of pain transmitted to the brain. They... ↪ Read more

White muscle disease

Another name for a selenium deficiency.... ↪ Read more

Wheal

A circumscribed raised lesion of edemma of the dermas. A large number of wheals is urticaria.... ↪ Read more

Wether

A castrated male sheep.... ↪ Read more

Wet cow average

Average milk production by lactating cows. Goal is 70 to 80 lbs/day, 21, 000-24, 000 per year.... ↪ Read more

Weight-averaged molecular weight

The sum of the number of molecules at each number-averaged molecular weight divided by the total number of molecules in solution. The weight-averaged molecular weight gives an indication of how long a solution will exert an oncotic effect. Generally, the larger the weight-averaged molecular weight,... ↪ Read more