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BiologyCell BiologyEstablished

Cell theory

In biology, cell theory is a scientific theory first formulated in the mid-nineteenth century, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells.

Cell theoryCellProkaryoteGenomeOrganellePlasma membraneProkaryotesEukaryoteCell division

At a glance

Type
patterns
Disciplines 2
BiologyCell Biology
Mental models 0
—
Role in the graph
Leaf concept

Key signals

Cross-disciplinary reach
Disciplines
2
  • Biology
  • Cell Biology
Evidence & development

Structural role & consequence

Interpreted from the current atlas graph — what the connections mean, not just how many there are.

  • Currently dark in the atlas: 1 of 1 of its relations lack claim-level evidence.

    atlas representation · Describes the current Thinking OS representation, not the state of the world.

  • Structural neighbourhood: 1 → 31 → 74 concepts reachable within 3 hops.

    structural · Structural reach — being reachable is not the same as being understood.

  • All 1 of its relationships stay within its own discipline — a field-specific concept in the current atlas.

    structural · Structural graph analysis — not a claim of importance, causation or history.

0%

cross-field
1 within-field, 0 cross-field

0 of 1 relations carry evidence · concept has a verified source

Strengths & constraints

Constraints

  • Evidence coverage currently thin in the atlas — few of its relationships carry claim-level evidence. atlas representation

Conditions

  • Read structurally — most of its relationships carry no external evidence yet, so claims here are graph-derived. structural

Seen through each discipline

How this concept sits in each of its fields — derived from its real connections in the graph, not asserted.

Biology

Through this lens it connects to Cell.

Cell theory through the Biology lens →

Cell Biology

Through this lens it connects to Cell.

Cell theory through the Cell Biology lens →

Key dates

  1. 1839FormalizationSchleiden and Schwann formulate the cell theory: all organisms are made of cells. — Campbell Biology

Concepts that look related but are not yet connected here — candidates for a connection to reason about, not established links.

The scientific picture
  • Connects 1 other ideas across 2 disciplines.
  • Most of its connections are of the “Explains & models” kind.

Derived from the graph’s real structure — observations, not a score.

Sources