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Choana: Choanae in different animals, Boundaries & Overview

The choanae (sing.: choana), posterior nasal apertures or internal nostrils are two openings found at the back of the nasal passage between the nasal cavity and the pharynx, in humans and other mammals (as well as crocodilians and most skinks). They are considered one of the most important synapomorphies of tetrapodomorphs, that allowed the passage from…

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Choana topic overview

The analysis highlights Choanae in different animals, Boundaries and Overview as prominent areas in the source structure around Choana.

Related topics
21
Source areas
3
Connected nodes
24
Extracted relationships
14
Concept neighborhoods
15
Bridge connections
24

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Choanae in different animals · 8 topics
Overview · 8 topics
Boundaries · 5 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

FMA
76585
Latin
choana, apertura nasalis posterior
TA2
501
TA98
A02.1.00.096

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Boundaries

Choanae in different animals

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.

How Choana connects Entity context

The extracted context around Choana shows recurring relationship patterns in the source. For example, Choana → Diabolepis, In, Kenichthys, Most, The Another extracted example is Choana → Early, In, These. Use these groups to spot repeated connection types before inspecting the individual relationships.

Choana

Top relations

related to Fish · 5
Choana → Diabolepis, In, Kenichthys, Most, The
related to Choanae in different animals · 3
Choana → Early, In, These
FMA · 1
Choana → 76585
Latin · 1
Choana → choana, apertura nasalis posterior
TA2 · 1
Choana → 501
TA98 · 1
Choana → A02.1.00.096
is a · 1
Choana → opening between the nasal cavity and the nasopharynx.It is therefore not a structure but a space bounded as follows
related to Boundaries · 1
Choana → It

Important terminology

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

Important terminology

nostrils choanae posterior mouth nasal two secondary cavity palates animals internal water tetrapodomorphs palate fish external tetrapods passage behind pharynx

Choana relationships Subject–Predicate–Object triples

TTTA extracted 14 structured relationships around Choana. Examples in this analysis include Choana → FMA → 76585 and Choana → Latin → choana, apertura nasalis posterior. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
ChoanaFMA765851.00infobox
ChoanaLatinchoana, apertura nasalis posterior1.00infobox
ChoanaTA25011.00infobox
ChoanaTA98A02.1.00.0961.00infobox
Choanais aopening between the nasal cavity and the nasopharynx.It is therefore not a structure but a space bounded as follows0.90text
Choanarelated to BoundariesIt0.60section
Choanarelated to Choanae in different animalsEarly0.60section
Choanarelated to Choanae in different animalsIn0.60section
Choanarelated to Choanae in different animalsThese0.60section
Choanarelated to FishMost0.60section
Choanarelated to FishKenichthys0.60section
Choanarelated to FishThe0.60section

Related concept clusters Concept neighborhoods

The concept neighborhoods around Choana bring nearby vocabulary together. In this analysis, examples include Cavity, Nasal and Center. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • nasal cavity
    • Nasal
    • Animals
    • Palate
    • Pharynx
    • Posterior
    • Choana
    • Choanae
    • Crocodilians
    • Mammals
    • Skinks
    • Internal
    • Palates
  • nostrils
    • External
    • Posterior
    • Mouth
    • Excurrent
    • Migrated
    • Two
    • Bone
    • Early
    • Mya
    • Openings
    • Pairs
    • Behind
  • choanae in different animals
    • Palates
    • Secondary
    • Nasal
    • Palate
    • Posterior
    • Cavity
    • Two
    • Crocodilians
    • Mammals
    • Openings
    • Skinks
    • Behind
  • Choana
    • Cavity
    • Nasal
    • Center
    • Choanae
    • Crocodilians
    • Mammals
    • Opening
    • Openings
    • Passage
    • Pharynx
    • Skinks
    • Posterior
  • choana
    • Cavity
    • Nasal
    • Center
    • Choanae
    • Crocodilians
    • Mammals
    • Opening
    • Openings
    • Passage
    • Pharynx
    • Skinks
    • Posterior
  • palatine bone
    • Early
    • Mya
    • Excurrent
    • Center
    • Lateral
    • One
    • Pairs
    • Sense
    • Smell
    • Space
    • Vomer
    • Migrated
  • sphenoid bone
    • Early
    • Mya
    • Excurrent
    • Center
    • Lateral
    • One
    • Pairs
    • Sense
    • Smell
    • Space
    • Vomer
    • Migrated
  • crocodilians
    • Mammals
    • Skinks
    • Nasal
    • Openings
    • Passage
    • Pharynx
    • Space
    • Posterior
    • Animals
    • Internal
    • Palate
    • Palates

Connections between topic areas Semantic bridges

For Choana, one of the stronger structural bridges in this analysis connects Choana with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
ChoanaOverview · splits 16 ⟂ 9
ChoanaChoanae in different animals · splits 16 ⟂ 9
ChoanaBoundaries · splits 19 ⟂ 6

Map overview Semantic statistics

Choana

Nodes25
Edges24
Triples14
Avg. degree1.92
Density0.08
Components1

Source & methodology

TTTA analyzes the structure around Choana to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Choanae in different animals, Boundaries & Overview, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Choana · EN edition · Analysis: TopicsToTalkAbout

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