symptom complex

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(sin'drōm), This word is not properly applied to a solitary symptom or sign.
See also: disease.
[G. syndromē, a running together, tumultuous concourse; (in med.) a concurrence of symptoms, fr. syn, together, + dromos, a running]


The combination of signs and symptoms associated with a particular morbid process, which together constitute the picture of a disease or inherited anomaly.
See also: disease


(kom'pleks?) [L. complexus, woven together]
1. Intricate.
2. Of a complicated nature.
3. A group of interrelated biological entities.
8. An anatomical or intracellular structure.

AIDS-dementia complex

Abbreviation: ADC







Patient care



Synonym: HIV-associated dementia See: AIDS

AIDS-related complex

Abbreviation: ARC

amygdaloid complex


anti-inhibitor coagulant complex


castration complex

A morbid fear of being castrated.

Eisenmenger complex

See: Eisenmenger syndrome

Ghon complex

See: Ghon complex

HLA complex

Major histocompatibility complex.

immune complex


inferiority complex


inferior olivary complex

Inferior olive.

major histocompatibility complex

Abbreviation: MHC
Synonym: HLA complex See: histocompatibility locus antigen

membrane attack complex

See: complement; inflammation

Mycobacterium avium complex

Abbreviation: MAC, MAI





Mycobacterium avium-intracellulare complex

Mycobacterium avium complex.

nodal premature complex

Abbreviation: NPC
Ectopic cardiac beat originating in the atrioventricular node.

nuclear pore complex


oculomotor complex


olivary complex

Olive (2).

osteomeatal complex

The middle turbinate and the middle meatus of the nose.

QRS complex


QRST complex

Q-T interval.

superiority complex


superior olivary complex

Superior olive.

symptom complex


tuberous sclerosis complex

Tuberous sclerosis.
References in periodicals archive ?
The presence and relative frequency of two major dyspeptic symptom complexes in this study is revealing.
Physicians should promptly evaluate returning travelers for schistosomiasis even if they do not report the complete symptom complex. However, in the absence of effective treatment for acute schistosomiasis, new diagnostic methods and new drugs that affect the parasite at an early stage are needed.
For any one pest, however, the symptom complex is usually specific.
When the answer is not obvious, yet patients display the symptom complex suggestive of the disorder, then it is time to consider a referral to a urologist to get a more definitive diagnosis and clarity around the process.
Some professionals categorically refute the existence of m MTBI-related symptom complex. How can there be an injury to the brain, they ask, when there has been no extensive loss of consciousness, and subsequent medical tests do not show evidence of structural damage?
As the viral inflammation descends the respiratory tree, the symptom complex changes.
[1] The symptom complex includes upper abdominal pain or discomfort, postprandial fullness, bloating, belching, early satiety, anorexia, nausea, heartburn and occasional vomiting.
The mountaineer may, as a consequence, develop a symptom complex characterized by headache, nausea, anorexia and vomiting2.
Syncope is a symptom complex that is composed of a brief loss of consciousness associated with an inability to maintain postural tone that spontaneously and completely resolves without medical intervention.
Urgency is a sensation associated with abnormal bladder behaviour during the filling phase, which is difficult to define and explain to others who have not experienced it, but is quite distinct from normal urge (see Figure 1).[sup.1] Urgency is a pathological symptom, which leads to the rest of the urinary symptom complex - reduced intervoid interval, nocturia, incontinence and reduced urinary volume.
Delayed uterine re-inversion: a unique symptom complex. Am J Obstet Gynecol.
(14,15,18) Despite the striking radiographic appearance of an ossified and elongated stylohyoid process, the significance of this abnormality has not been appreciated except by otolaryngolists who are familiar with the symptom complex. (14)

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