Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

Tears

Tears (tear film) are a transparent fluid secreted primarily by the lacrimal glands (tear gland) found in the eyes of all land mammals. According to the mode of production, tears are classified into four types: basal, closed eye, emotional, and reflex. The basal rate of tear secretion is ~0.5–2.2 μL/min, and irritation can increase secretion by up to…

Culture & Products

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around Tears. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

Physiology

Human culture

Pathology

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

Tears

Nodes55
Edges54
Triples53
Avg. degree1.96
Density0.036364
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

Tears

Top relations

related to Bogorad's syndrome · 10
Tears → Bell's, Bogorad, Bogorad's, Crocodile Tears, Efferent, It, Russian, Syndrome, The, The Symptom
related to Chemical composition · 9
Tears → Emotional, For, Mazyar Yazdani, More, Oslo University Hospital, Tear, TFLL, The, Wolff
related to Human culture · 7
Tears → Blood-related, Crying, Emotional, In, The, This, Triggers
related to Drainage of tear film · 6
Tears → An, From, Lacrimal, Quality, The, When
related to Keratoconjunctivitis sicca (dry eye disease) · 5
Tears → Despite, Keratoconjunctivitis, Lack, Meibomian, Treatment
related to Neurology · 5
Tears → It, The, V1, VII, When
related to Familial dysautonomia · 3
Tears → Familial, Obstruction, This
related to Types · 1
Tears → There
see also · 1
Tears → Artificial

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

tear crying film lacrimal emotional eyes also eye basal types pba composition eyelid nerve gland fluid glands biological reflex secretion

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
enabling thin film formationinstance ofconfer unique physicochemical properties that support roles0.80text
preventing its collapse onto the ocular surfaceinstance ofconfer unique physicochemical properties that support roles0.80text
adrenocorticotropic hormoneinstance ofEmotional tears contain higher concentrations of stress hormones0.80text
leucine enkephalininstance ofEmotional tears contain higher concentrations of stress hormones0.80text
Re-evaluation Counseling encourage crying as beneficial to healthinstance ofThere is evidence for an interpersonal function of crying as tears express a need for help and foster willingness to help in an observer.Some modern psychotherapy movements0.80text
mental well-beinginstance ofThere is evidence for an interpersonal function of crying as tears express a need for help and foster willingness to help in an observer.Some modern psychotherapy movements0.80text
Tearsrelated to Bogorad's syndromeBogorad's0.60section
Tearsrelated to Bogorad's syndromeBell's0.60section
Tearsrelated to Bogorad's syndromeEfferent0.60section
Tearsrelated to Bogorad's syndromeIt0.60section
Tearsrelated to Bogorad's syndromeThe0.60section
Tearsrelated to Bogorad's syndromeRussian0.60section

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.