foci

focus

 [fo´kus] (pl. fo´ci) (L.)

1. the point of convergence of light rays or sound waves.

2. the chief center of a morbid process.

Ghon focus the primary parenchymal lesion of primary pulmonary tuberculosis in children; when associated with a corresponding lymph node focus, it is known as the primary or Ghon complex. Called also Ghon tubercle.

grid focus in radiology, a determination made by drawing an imaginary line from the outside of the width of the grid to where it intersects with a centering point. Called also grid radius.

fo·ci

(fō'sī),

Plural of focus.

foci

(fō′sī′, -kī′)

n.

A plural of focus.

foci

Plural of focus. While this is generally pronounced in the UK as it is in the US, there exists a less common UK-specific pronunciation, which is usually used at an academic level.

Medspeak-UK: pronounced, faux KAI
Medspeak-US: pronounced, faux SAI

foci

Plural of focus