gno-, gnos-, gnoto-, -gnostic, -gnosia, -gnomic, -gnomonic, -gnomical, -gnomy, -gnosia, -gnostic, -gnosis

(Greek: know, learn, discern)

serodiagnosis
1. Diagnosis of disease based on antigen-antibody reactions in the blood serum.
2. A diagnosis involving tests on blood serum or other serous fluid of the body.
3. Diagnosis by means of a reaction using blood serum or other serous fluids in the body (serologic tests).
simultanagnosia (s) (noun), simultanagnosias (pl)
The inability to comprehend more than one part of a visual scene at the same time or to integrate the parts into a whole.
telediagnosis (s) (noun), telediagnoses (pl)
A diagnosis that is made at a remote location and is based on the evaluation of data transmitted from instruments that monitor the patient and a transfer link to a medical diagnostic center.
telegnosis
1. Knowledge of phenomena beyond the range of normal sense perception; paranormal knowledge.
2. Apparent knowledge of distant events without using normal sensory perceptions.
telegnostic
Obtaining knowledge of distant events allegedly without use of normal sensory mechanisms.
topognosia
Recognition of the location of a stimulus on the skin or in any other part of the body.
topognosis
1. Recognition of the location of a stimulus on the skin.
2. The ability to recognize a tactile sensation.
toxignomic
A means of knowing the characteristics of the toxic actions of a poison.
underdiagnosis
undiagnosable
Incapable of being diagnosed.
undiagnosed
Not diagnosed; eluding diagnosis.
xenodiagnosis
1. The diagnosis of a parasitic infection by allowing a noninfected disease-carrying organism; such as, a mosquito to feed on an infected person's blood and then examining the organism for infection.
2. Diagnosis of an infectious disease at an early stage by exposing a presumably infected individual or tissue to a clean, laboratory-bred mosquito, tick, or other vector, and then examining the vector for the presence of the infective microorganism.

Inter-related cross references, directly or indirectly, involving word units meaning "know, knowledge; learn, learning": cogni-; discip-; histor-; intellect-; learn, know; math-; sap-; sci-; sopho-.