occult

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occult

 [ŏ-kult´]
obscure or hidden from view.
occult blood test examination by microscope or chemical test of a specimen (such as feces, urine, or gastric juice) for presence of blood that is not otherwise detectable. Feces are tested when intestinal bleeding is suspected but there is no visible evidence of blood.

oc·cult

(ŏ-kŭlt', ok'ŭlt),
1. Hidden; concealed; not manifest.
2. Denoting a concealed hemorrhage, the blood being inapparent or localized to a site where it is not visible.
3. In oncology, a clinically unidentified primary tumor with recognized metastases.
[L. oc-culo, pp. -cultus, to cover, hide]

occult

/oc·cult/ (ŏ-kult´) obscure or hidden from view.

occult

(ə-kŭlt′, ŏk′ŭlt′)
adj.
a. Medicine Detectable only by microscopic examination or chemical analysis, as a minute blood sample.
b. Not accompanied by readily detectable signs or symptoms: occult carcinoma.
v.intr.
To become concealed or extinguished at regular intervals: a lighthouse beacon that occults every 45 seconds.

oc·cult′ly adv.
oc·cult′ness n.

occult

[əkult′]
Etymology: L, occultare, to hide
hidden or difficult to observe directly, such as occult prolapse of the umbilical cord or occult blood.

occult

Medspeak
adjective Not obvious; hidden; of unknown cause.

occult

adjective Not obvious, hidden, of unknown cause noun Paranormal dee-dee-dee–dee–dee-dee-dee–dee

oc·cult

(ŏ-kŭlt')
1. Hidden; concealed; not manifest.
2. Denoting a disease or condition (bleeding, infection) that is clinically inapparent, though it may be inferred from indirect evidence or identified by special tests.
See: occult blood
3. oncology A clinically unidentified primary tumor with recognized metastases.

occult

Concealed or hidden, especially of traces of blood in the faeces or sputum which can be detected only by special tests.

Occult

Not visible or easily detected.

oc·cult

(ŏ-kŭlt')
Hidden; concealed; not manifest.

occult

obscure or hidden from view.

occult blood test
examination, microscopically or by a chemical test, of a specimen of feces, urine, gastric juice, etc., to determine the presence of blood not otherwise detectable. Feces are tested when intestinal bleeding is suspected but there is no visible evidence of blood in the stools.
occult heartworm infection
infection by Dirofilaria immitis in which circulating microfilariae cannot be detected in the peripheral blood by the usual test methods.
occult spavin
see occult spavin.
occult virus
the virus or infectious agent cannot be isolated but there is strong circumstantial evidence that it is present, e.g. scrapie prion.
References in classic literature ?
It is but a part of that general conquest of matter which is the main element in our occult wisdom.
A particular picture or copy of verses, if it do not awaken the same train of images, will yet superinduce the same sentiment as some wild mountain walk, although the resemblance is nowise obvious to the senses, but is occult and out of the reach of the understanding.
There, as it should be, the druggist is a counsellor, a confessor, an adviser, an able and willing missionary and mentor whose learning is respected, whose occult wisdom is venerated and whose medicine is often poured, untasted, into the gutter.
Sometimes, however, they are of quite a different stamp--men who pretend to nothing, and are with difficulty persuaded to exercise their occult arts in the simplest cases.
And if you dare to snort, even once, Uncle Robert, there is no telling what occult vengeance may be wreaked upon you.
Whosoever has observed that sedate and clerical bird, the rook, may perhaps have noticed that when he wings his way homeward towards nightfall, in a sedate and clerical company, two rooks will suddenly detach themselves from the rest, will retrace their flight for some distance, and will there poise and linger; conveying to mere men the fancy that it is of some occult importance to the body politic, that this artful couple should pretend to have renounced connection with it.
He looked as if he suspected me of some occult medical design on Miss Verinder
It had been so near success that he could have positively terrified Mr Vladimir out of his ferocious scoffing with this proof of occult efficiency.