guaiac


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

guaiac

 [gwi´ak]
a resin from certain Caribbean trees, used as a reagent.
guaiac test one for occult blood; glacial acetic acid and guaiac are mixed with the specimen; on addition of hydrogen peroxide, the presence of blood is indicated by a blue tint.

guai·ac

(gwī'ak),
The resin of Guaiacum officinale or G. sanctum (family Zygophyllaceae); a nauseant, diaphoretic, stimulant, and reagent used in testing for occult blood.
Synonym(s): guaiac gum
[Sp. guayaco, imitating the native Carib name]

lignum vitae

Herbal medicine
A Caribbean tree that is rich in saponins, resin, guaiaretic and guaiacolic acids; it is anti-inflammatory, laxative and stimulatory, and has been used to treat arthritis and gout; its products have been commercialised in mainstream medicine in the guaiac test for occult bleeding of the large intestine, which is often a sign of colorectal cancer.

guai·ac

(gwī'ak)
Nauseant, diaphoretic, stimulant, and reagent used in testing for occult blood. Also called guaiac gum.

guai·ac

(gwī'ak)
The resin of Guaiacum officinale or G. sanctum; a nauseant, diaphoretic, stimulant, and reagent used in testing for occult blood.
Mentioned in ?
References in periodicals archive ?
The Hb stability in the 2 quantitative kits--NS Plus and OC Diana-was poor compared with the devices of the qualitative FIT and guaiac kits in the frozen condition when an 80% threshold was used to define stability.
Effect of Temperature and Time on Fecal Hemoglobin Stability in 5 Fecal Immunochemical Test Methods and One Guaiac Method
Types of food that people eat can result in the guaiac being false positive due to the peroxidase reacting with something from their diet (e.g., red meat).
"Blacky"-appearing peritoneal effluent
Its sensitivity and specificity reduce the rate of false positive results often associated with traditional guaiac test methods.
Results in 5 to 10 minutes
I particularly enjoyed professor Shickle's presentation on screening, during which he asked the question: "What do we gain from sixth stool guaiac?" While not directly relevant to eye health, he demonstrated the processes involved in determining when a screening is most cost effective and, arguably, provides best value to the commissioner.
Thinking like a public health expert: LOCSU optical lead and independent optometrist, Zoe Richmond, reviews the first-ever Ophthalmic Public Health module, which is hosted by the Leeds Institute of Health Sciences
As a result, medicinal plants such as aloe, sarsaparilla, and guaiac, as well as timber used in shipbuilding and spices from the Antilles, were of both practical and symbolic significance.
An Antillean plant of beauty, a French botanist, and a German name: naming plants in the Early Modern Atlantic world/Antillide taimeiludus, prantsuse botaanik ja saksa nimi: taimenimede andmine varauusaegses Atlandi regioonis
The Guaiac test is important to confirm the presence of occult blood in stool (Boyle, 2008).
Case study: aphthous ulcers in a 14-year-old girl
Anemili olgunun arastirilmasinda gerekli laboratuvar incelemeleri (6,7) Genel baslangic arastirmalar Hb ve Hct belirlenmesi RBC sayisi ve MCV, MCH, MCHC, RDW, HDW'ni iceren eritrosit gostergeleri Lokosit sayisi ve formul lokosit, trombosit sayisi Periferik kan yaymasi Demir eksikligi suphesi Serbest eritrosit protoporfirin Serum ferritin seviyesi Diskida gizli kan (guaiac pozitisigi) Eger gerekliyse Meckel divertikulu icin 99mTc Eger gerekliyse endoskopi (ust ve alt barsak) Vitamin [B.sub.12] ve folik asit eksikligi suphesi Kemik iligi Serum vitamin [B.sub.12] seviyesi, serum folat seviyesi Histamin enjeksiyonu sonrasi gastrik analiz Vitamin [B.sub.12] emilim testi (radyoaktif kobalt) (Schilling testi) Hemolitik anemi suphesi 1.
Anemilerin siniflandirilmasi/Classification of anemias
Guaiac FOBT detects peroxidase activity of haeme or haemoglobin.
Colorectal disease is an extremely common cancer and requires early detection for optimal treatment
The stool should be tested for guaiac to determine if there is any gastrointestinal dysfunction.
Identification and treatment of alcohol abuse, dependence, and withdrawal
The fourth vertical can be completed to GUAIAC, but the fifth is constipated with consonants.
How to logologically select the vice-president
THIS is a watery, fresh version of the original with notes of herbaceous complex and guaiac wood.
Your Life daily: This season's; Get set FOR SUMMER
This is why BSE (breast self examination), TSE, mammography, colonoscopy, digital rectal exam of the prostate, stool guaiac, blood and urine tests, chest X-ray, etc.
Use of the published Lance Armstrong Cancer Story: to teach Health Science content to High School Students

Medical browser ?
Full browser ?