Contributions to the development of the myoneural synapses - Ontogenetic aspects of the subneural apparatus

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Abstract

Ontogenetic development of the subneural apparatus of the myoneural synapse was investigated in albino rats by means of the acetylthiocholine method for cholinesterase, combined with nuclear counterstaining. Results: 1. The subneural apparatuses develop from special, ChE-active cells (teloblasts), deriving from the neural crest. 2. Subneural apparatuses are formed from the ChE-active cytoplasm of teloblasts in the course of a successive cytochemical differentiation, consisting of a) expansion of cytoplasm; b) condensation of enzymic activity on some points of the cytoplasm; c) vacuolisation of cytoplasm; d) appearence of pallisade-like granula and rodlets with marked ChE-activity at the borders of vacuoles and of the cytoplasm; e) confluence of vacuoles into trough-like structures. 3. Some teloblasts (migrating cells) leave the innervated area; a metachromatic granulation resembling that of mast cells appears in their cytoplasm. 4. Teloblasts are identical with Boeke's "interstitial cells". 5. Regeneration of the subneural apparatuses is analogous to, though not identical with their ontogenetic development.

Original languageEnglish
Pages (from-to)150-162
Number of pages13
JournalZeitschrift für Zellforschung und Mikroskopische Anatomie
Volume52
Issue number2
DOIs
Publication statusPublished - Mar 1960

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Acetylthiocholine
Granulation
Cholinesterases
Synapses
Rats
Condensation
Cytoplasm
Vacuoles
Neural Crest
Mast Cells
Regeneration

ASJC Scopus subject areas

  • Anatomy
  • Clinical Biochemistry
  • Cell Biology
  • Medicine(all)

Cite this

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abstract = "Ontogenetic development of the subneural apparatus of the myoneural synapse was investigated in albino rats by means of the acetylthiocholine method for cholinesterase, combined with nuclear counterstaining. Results: 1. The subneural apparatuses develop from special, ChE-active cells (teloblasts), deriving from the neural crest. 2. Subneural apparatuses are formed from the ChE-active cytoplasm of teloblasts in the course of a successive cytochemical differentiation, consisting of a) expansion of cytoplasm; b) condensation of enzymic activity on some points of the cytoplasm; c) vacuolisation of cytoplasm; d) appearence of pallisade-like granula and rodlets with marked ChE-activity at the borders of vacuoles and of the cytoplasm; e) confluence of vacuoles into trough-like structures. 3. Some teloblasts (migrating cells) leave the innervated area; a metachromatic granulation resembling that of mast cells appears in their cytoplasm. 4. Teloblasts are identical with Boeke's {"}interstitial cells{"}. 5. Regeneration of the subneural apparatuses is analogous to, though not identical with their ontogenetic development.",
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AU - Csillik, B.

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N2 - Ontogenetic development of the subneural apparatus of the myoneural synapse was investigated in albino rats by means of the acetylthiocholine method for cholinesterase, combined with nuclear counterstaining. Results: 1. The subneural apparatuses develop from special, ChE-active cells (teloblasts), deriving from the neural crest. 2. Subneural apparatuses are formed from the ChE-active cytoplasm of teloblasts in the course of a successive cytochemical differentiation, consisting of a) expansion of cytoplasm; b) condensation of enzymic activity on some points of the cytoplasm; c) vacuolisation of cytoplasm; d) appearence of pallisade-like granula and rodlets with marked ChE-activity at the borders of vacuoles and of the cytoplasm; e) confluence of vacuoles into trough-like structures. 3. Some teloblasts (migrating cells) leave the innervated area; a metachromatic granulation resembling that of mast cells appears in their cytoplasm. 4. Teloblasts are identical with Boeke's "interstitial cells". 5. Regeneration of the subneural apparatuses is analogous to, though not identical with their ontogenetic development.

AB - Ontogenetic development of the subneural apparatus of the myoneural synapse was investigated in albino rats by means of the acetylthiocholine method for cholinesterase, combined with nuclear counterstaining. Results: 1. The subneural apparatuses develop from special, ChE-active cells (teloblasts), deriving from the neural crest. 2. Subneural apparatuses are formed from the ChE-active cytoplasm of teloblasts in the course of a successive cytochemical differentiation, consisting of a) expansion of cytoplasm; b) condensation of enzymic activity on some points of the cytoplasm; c) vacuolisation of cytoplasm; d) appearence of pallisade-like granula and rodlets with marked ChE-activity at the borders of vacuoles and of the cytoplasm; e) confluence of vacuoles into trough-like structures. 3. Some teloblasts (migrating cells) leave the innervated area; a metachromatic granulation resembling that of mast cells appears in their cytoplasm. 4. Teloblasts are identical with Boeke's "interstitial cells". 5. Regeneration of the subneural apparatuses is analogous to, though not identical with their ontogenetic development.

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