finding

active

finding:temporary-introduction-of-breaks-in-the-embryonic-blastoderm-results-in-twins-triplets-etc-lutz-1949

Temporary introduction of breaks in the embryonic blastoderm results in twins, triplets, etc. (Lutz 1949)

Demonstrates that the blastoderm is a dynamical excitable medium where multiple coherent embryos can self-organize, not fixed by genetics.

Source paper

extracted_from

Collective intelligence: A unifying concept for integrating biology across scales and substrates

(2024) · Patrick McMillen · Michael Levin

Neighborhood — ranked by edge-count

Claims (1)

claim

The number of embryos emerging from an embryonic blastoderm is not genetically fixed but determined in real-time by physiological processes.
supports
Highlights dynamical determination of individuality through collective autopoiesis.

Communities (2)

community

Bioelectric morphogenesis & anatomical intelligence
members_of
Levin-led research showing bioelectric signals encode and control anatomical goal states in living systems.
Distributed biological agency and morphogenetic learning
members_of
Non-neural and neural tissues exhibit autonomous learning and goal-directed behavior in closed-loop systems, from cultured neurons to bioelectric collectives, challenging centralized brain-centric models of cognition.

Questions (1)

question

How many individuals are present in an embryonic blastoderm?
answered_by
Questions the fixed-ness of individuality and points to the dynamical determination of embryo count.

Related by similarity (8)

cosine ≥ 0.65 · no typed edge

Entities in the same semantic neighborhood but without a typed relation to this one — candidates for new edges or unrecognized duplicates.

Mammalian embryos overcome drastic perturbations such as amputation, and early embryo splitting results in normal monozygotic twins.finding0.798
Demonstrates mammalian regulative capacity and robust self-organization.
"the number of embryos emerging from the excitable medium of an embryonic blastoderm is not genetically fixed but determined in real-time by physiological processes"quote0.756
Key finding establishing that biological individuality is dynamically determined by collective coordination, not hardwired genetics.
Stress-sharing embryos achieve perfect sequential target patterns; non-sharing limited to <1% improvement.finding0.749
Stress-sharing embryos formed each sequential target with stress reducing to zero; non-sharing achieved only tiny improvements.
In stress-sharing embryo, average stress reduced to zero at step 40 during sequential target morphogenesis; without-sharing stress settled at non-zero with <55 cells movingfinding0.738
Shows stress sharing allows perfect formation of part-by-part target patterns.
Mouse neural crest cells grafted into chicken embryos successfully form teeth (Mitsiadis et al. 2003)finding0.724
Neural crest collective navigates a foreign embryonic environment to achieve its morphogenetic goal.
Waves of ATP mediate morphogenetic information sharing and teratogen resistance among groups of embryos.finding0.722
Tung et al. 2024 finding on cross-embryo morphogenetic assistance (CEMA).
The apparent mysteries of embryological morphogenesis may be more easily understandable when we consider that evolution from time t to t+1 is governed by strengthening centers while preserving and enhancing as much structure as possible.hypothesis0.720
Alexander's predictive hypothesis that the principle of unfolding wholeness will provide new explanatory leverage for embryology
Embryonic Blastodermconcept0.716
Dynamic excitable medium in which multiple coherent embryos self-organize; demonstrates that organism number is physiologically determined, not genetically fixed.