Catecholamines and indolalkylamines of the pia mater and spinal cord in vertebrates. 1990

P A Motavkin, and Y I Pigolkin, and A V Lomakin, and I I Deridovich
Department of Cytology and Physiology, Institute of Marine Biology, Far East Section of the Academy of Sciences, Vladivostok, USSR.

Fluorimetric methods were used to determine adrenaline, dopamine, noradrenaline, serotonin and tryptamine in the pia mater of the brain and spinal cord of various vertebrates (fishes, birds, mammals) and of man. The histochemical method using glyoxylic acid showed the presence of biogenic monoamines in adrenergic nerve fibres and in the monoaminocytes. Their total amount in the pia mater is roughly the same, except in man, in whom it is significantly lower. From the higher adrenergic axon concentration on the one hand and the lower number of monoaminocytes on the other, it can be concluded that the neuronal factor has a more important role in the regulation of brain haemodynamics in man.

UI MeSH Term Description Entries
D010841 Pia Mater The innermost layer of the three meninges covering the brain and spinal cord. It is the fine vascular membrane that lies under the ARACHNOID and the DURA MATER. Mater, Pia,Maters, Pia,Pia Maters
D002395 Catecholamines A general class of ortho-dihydroxyphenylalkylamines derived from TYROSINE. Catecholamine,Sympathin,Sympathins
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012701 Serotonin A biochemical messenger and regulator, synthesized from the essential amino acid L-TRYPTOPHAN. In humans it is found primarily in the central nervous system, gastrointestinal tract, and blood platelets. Serotonin mediates several important physiological functions including neurotransmission, gastrointestinal motility, hemostasis, and cardiovascular integrity. Multiple receptor families (RECEPTORS, SEROTONIN) explain the broad physiological actions and distribution of this biochemical mediator. 5-HT,5-Hydroxytryptamine,3-(2-Aminoethyl)-1H-indol-5-ol,Enteramine,Hippophaine,Hydroxytryptamine,5 Hydroxytryptamine
D013116 Spinal Cord A cylindrical column of tissue that lies within the vertebral canal. It is composed of WHITE MATTER and GRAY MATTER. Coccygeal Cord,Conus Medullaris,Conus Terminalis,Lumbar Cord,Medulla Spinalis,Myelon,Sacral Cord,Thoracic Cord,Coccygeal Cords,Conus Medullari,Conus Terminali,Cord, Coccygeal,Cord, Lumbar,Cord, Sacral,Cord, Spinal,Cord, Thoracic,Cords, Coccygeal,Cords, Lumbar,Cords, Sacral,Cords, Spinal,Cords, Thoracic,Lumbar Cords,Medulla Spinali,Medullari, Conus,Medullaris, Conus,Myelons,Sacral Cords,Spinal Cords,Spinali, Medulla,Spinalis, Medulla,Terminali, Conus,Terminalis, Conus,Thoracic Cords
D014363 Tryptamines Decarboxylated monoamine derivatives of TRYPTOPHAN. Indolylethylamines,Triptan,Triptans
D014714 Vertebrates Animals having a vertebral column, members of the phylum Chordata, subphylum Craniata comprising mammals, birds, reptiles, amphibians, and fishes. Vertebrate

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