toxicity


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toxicity

 [tok-sis´ĭ-te]
the quality of being poisonous, especially the degree of virulence of a toxic microbe or of a poison.
developmental toxicity the extent to which a toxin produces adverse effects on a developing embryo or fetus; see also teratogenesis.
maternal toxicity a toxic effect on a pregnant woman or nursing mother, as opposed to one affecting an embryo, fetus, or nursing infant.

tox·ic·i·ty

(tok-sis'i-tē),
The state of being poisonous.

toxicity

/tox·ic·i·ty/ (tok-sis´ĭ-te) the quality of being poisonous, especially the degree of virulence of a toxic microbe or of a poison.
O2 toxicity , oxygen toxicity serious, sometimes irreversible, damage to the pulmonary capillary endothelium associated with breathing high partial pressures of oxygen for prolonged periods.

toxicity

(tŏk-sĭs′ĭ-tē)
n. pl. toxici·ties
1. The quality or condition of being toxic.
2. The degree to which a substance is toxic.

toxicity

[toksis′itē]
Etymology: Gk, toxikon
1 the degree to which something is poisonous.
2 a condition that results from exposure to a toxin or to toxic amounts of a substance that does not cause adverse effects in smaller amounts.

toxicity

The sum of adverse effects 2º to exposure to a toxic substance, by mouth, through the skin or respiratory tract. See Amalgam toxicity, Botanical toxicity, Developmental toxicity, Digitalis/digoxin toxicity, Diphtheria toxicity, Excitotoxicity, Hashitoxicosis, Immunologic toxicity, Neurotoxicity, Nickel toxicity, Oxygen toxicity, Reproductive toxicity, Vitamin A toxicity.

tox·ic·i·ty

(tok-sis'i-tē)
The state of being poisonous.

toxicity

The quality or degree of poisonousness.

toxicity,

n the poisonous characteristics of a substance.

tox·ic·i·ty

(tok-sis'i-tē)
State of being poisonous.

toxicity (toksis´itē),

n the ability of a drug or poison to produce harm, especially to cause permanent injury or death. Usually distinguished from
allergenic properties.
toxicity, acute,
n a condition produced after short-term use of a toxic agent. See also dose, lethal, median; dose, lethal, minimum.
toxicity, chronic,
n a condition produced after long-term use of a toxic agent.
toxicity, fluoride,
n See fluoride toxicity.
Enlarge picture
Toxic shock syndrome.

toxicity

the characteristic or quality of being poisonous, especially the degree of virulence of a toxic microbe or of a poison. See also toxicosis.

toxicity rating
includes slightly toxic (with an oral LD50 in rats of 5000 to 15,000 mg/kg) up to supertoxic (with an LD50 of less than 5 mg/kg).
References in periodicals archive ?
Associated hazards include: acute toxicity, neurotoxicity, kidney toxicity, liver toxicity, reproductive / developmental toxicity and irritation.
The Hamner's multi-stakeholder toxicity testing program needs a variety of normal cell types for studying chemical toxicity in human cells.
Despite rapid advances in the development of modern radiographic tools and novel serum markers, regular clinical evaluation and symptom monitoring remain the cornerstone of diagnosing amiodarone-induced pulmonary toxicity.
In a second study, professor Robert DiSilvestro from Ohio State University performed a toxicity study on rats over a period of three months.
50] for the remaining pyrethroids was far lower, indicating greater toxicity.
As described above, our article went through a rigorous peer review and represents a significant scientific contribution; slight scientific differences are not unusual, given the uncertainties involved in setting acute toxicity standards.
The few concerns about Truvada have been mainly issues around renal (kidney) toxicity and dosing.
To my knowledge, there is no report in the literature of quinolone-induced toxicity in the inner ear in humans.
The ruling demonstrated that Globe's reclamation and treatment system complies with the intent of federal and state waste minimization and toxicity reduction goals.
Radiation Toxicity - Pipeline Review, Q1 2011', provides an overview of the Radiation Toxicity therapeutic pipeline.
For example, based on the registrant's own tests of acute toxicity to freshwater fish, the U.