focal

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focal

 [fo´kal]
pertaining to or having a focus.
focal disease a localized disease.

fo·cal

(fō'kăl),
1. Denoting a focus.
2. Relating to a localized area.

focal

[fō′kəl]
Etymology: L, focus, hearth
pertaining to a focus.

focal

adjective Limited to a specific area.

fo·cal

(fō'kăl)
1. Denoting a focus.
2. Relating to a localized area.

focal

Localized and circumscribed.

fo·cal

(fō'kăl)
1. Denoting a focus.
2. Relating to a localized area.

focal

1. limited to a small area or volume.
2. pertaining to or emanating from focus.

focal distance
see focal-film distance.
focal length
the distance between the lens and an object from which all rays of light are brought to a focus.
focal liver disease
widely disseminated micro-abscesses or abscesses, migration paths of helminth larvae.
focal macular melanosis
dark colored spots on the skin, not elevated above the skin surface but apt to be confused with melanosis.
focal myelitis-encephalitis
widely disseminated inflammatory lesions, usually the result of blood-borne infection, in brain and spinal cord.
focal symmetrical encephalomalacia
see focal symmetrical encephalomalacia.
focal symmetrical spinal poliomalacia
see focal symmetrical spinal poliomalacia.
focal ulcerative dermatitis
manifest by ulcers in the unfeathered anterior breast skin of 4 to 5 months old male turkeys. The incidence is influenced by litter type. Called also breast buttons.
focal zone
in ultrasound, the area of the transducer where the sound beam is most sharply focussed and where the area under examination will give the best image.
References in periodicals archive ?
Occasionally clear cell RCC may have a papillary component, either focally or in a pseudopapillary growth pattern usually associated with high-grade tumors because of cell drop-off.
Table 2: Focally Positive Stains Immunohistochemical Representative Cells or Marker Tissue CA 19.
If focally induced seizures do not result in generalized motor convulsions are shown to be clinically effective, there would be other benefits as well.
She had multiple, firm, focally ulcerated and eroded lesions 0.
Two smallbacked perches enroost catbird sitters focally centered withal convex corner-posed looking glasses refracted floor-to-ceiling-to-counter .
In their preface the editors admit to having 'emphasised some traditions and schools more than others', but their case for beginning with the premiss that discourse, however approached, 'has focally to do with language, meaning and context' is a sound one.
However, during 1993, poliomyelitis was focally distributed and reported in 17 of 26 governorates.
Aggressive repeat surgery for focally recurrent primary glioblastoma: outcomes and theoretical framework.
The tumour was strongly positive for CK7 and CK19 but focally positive for CK20.
A total of 10 of 23 ADH cases (43%), 6 of 10 DCIS cases (60%), and 18 of 32 UDH cases (56%) stained focally for Bcl-2.