Developmental changes of serotonin and 5-hydroxyindoleacetic acid levels in specific regions of the pigeon central nervous system.
Serotonin (5-HT) and 5-hydroxyindoleacetic acid (5-HIAA) levels were determined in the visual Wulst, optic lobes, retina, cerebellum and brainstem of the pigeon during embryonic and posthatching periods. 5-HT content increased during development in almost all regions. 5-HIAA content generally showed the highest values within the second posthatching week and then decreased to reach adult values. The high 5-HT turnover (as indicated by high (5-HIAA/5-HT ratio) observed over the first posthatching week suggests a possible role of 5-HT on developmental processes which occur in pigeon visual areas over the same time.
Alesci
R
R
Department of Physiology and Biochemistry, University of Pisa, Italy.
Raffaelli
A
A
Bagnoli
P
P
D000375:Aging / Q000378:metabolism*; D000818:Animals; D002490:Central Nervous System / Q000196:embryology / Q000254:growth & development / Q000378:metabolism*; D010856:Columbidae / Q000196:embryology / Q000254:growth & development / Q000378:metabolism*; D005260:Female; D006897:Hydroxyindoleacetic Acid / Q000378:metabolism* / Q000502:physiology; D008297:Male; D012701:Serotonin / Q000378:metabolism* / Q000502:physiology; D014795:Visual Pathways / Q000378:metabolism* / Q000502:physiology
D012701:Serotonin; D006897:Hydroxyindoleacetic Acid