Summary
In a companion paper (Puelles et al., this issue), the cytoarchitectonic development of the thalamic primordium called nucleus superficialis magnocellularis (SM) and its adult configuration in the chick were studied, correcting the misinterpretations that have impeded proper study of this neuronal group. Given its superficial position in the diencephalon, in contact with the optic tract and neighbouring retinorecipient grisea (SS, GV), as well as with the tecto-recipient n. rotundus, SM was suspected to have connections with centers of the visual pathway. In this paper we report the existence of a non-topographic retinal projection over the superficial adult derivate of SM (n. interstitialis tractus opticus, ITO) and a non-topographic, diffuse projection of the whole SM-derived population (area perirotundica, ApR, and ITO) onto the optic tectum. The latter was demonstrated throughout the late embryonic period in which SM loses its embryonic unitary character and becomes dispersed into its ill-defined, definitive adult portions (ITO, ApR). Golgi-like HRP- or DiI-labeling of SM cells showed a protracted immature appearance of their dendrites, expressed coincidently with a capacity to translocate superficially into the optic tract.
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Abbreviations
- ApR :
-
area perirotundica
- DL1 :
-
nucleus dorsolateralis pars lateralis
- GT :
-
nucleus griseum tectalis
- GV :
-
nucleus geniculatus ventralis
- I :
-
nucleus intercalatus
- IPSP :
-
nucleus interstitialis pretecto-subpretectalis
- ITO :
-
nucleus interstitialis tractus opticus
- PP :
-
nucleus precommissuralis principalis
- P :
-
nucleus pretectalis principalis
- PE :
-
nucleus pretectalis externus
- R :
-
nucleus rotundus
- SpL :
-
nucleus spiriformis lateralis
- SS :
-
nucleus synencephali superficialis
- SSc :
-
pars compacta of SS
- SSp :
-
pars plexiformis of SS
- T :
-
tectum opticum
- tio :
-
isthmo-optic tract
- to :
-
optic tract
- tt :
-
tectothalamic tract
- VL :
-
nucleus ventrolateralis
References
Adams JC (1981) Heavy metal intensification of DAB-based HRP reaction product. J Histochem Cytochem 29:775
Bass AH, Northcutt RG (1981a) Primary retinal targets in the atlantic loggerhead sea turtle, Caretta caretta. Cell Tissue Res 218:253–264
Bass AH, Northcutt RG (1981b) Retinal recipient nuclei in the painted turtle, Chrysemys picta: an autoradiographic and HRP study. J Comp Neurol 199:97–112
Berk ML, Butler AB (1981) Efferent projections of the medial preoptic nucleus and medial hypothalamus in the pigeon. J Comp Neurol 203:379–399
Butler AB, Northcutt RG (1978) New thalamic visual nuclei in lizards. Brain Res 149:469–476
Card JP, Moore RY (1982) Ventral lateral geniculate efferents to the rat suprachiasmatic nucleus exhibit avian pancreatic polypeptide-like immunoreactivity. J Comp Neurol 206:390–396
Crossland WJ, Uchwat CJ (1983) Neurogenesis in the chick ventral lateral geniculate and ectomammillary nuclei: Relationship of soma size to birthdate. Dev Brain Res 6:33–46
Ehrlich D, Mark R (1984) An atlas of the primary visual projections in the brain of the chick, Gallus gallus. J Comp Neurol 223:592–610
Finkenstadt T, Ebbesson SOE, Ewert JP (1983) Projections to the midbrain tectum in Salamandra salamandra L. Cell Tissue Res 234:39–55
Hickey TL, Spear PD (1976) Retinogeniculate projections in hooded and albino rats: an autoradiographic study. Exp Brain Res 24:523–529
Holcombe V, Guillery RW (1984) organization of retinal maps within the dorsal and ventral lateral geniculate nuclei of the rabbit. J Comp Neurol 225:469–491
Karnovsky MJ, Roots L (1964) A “direct-coloring” thiocholine method for cholinesterases. J Histochem Cytochem 12:219–221
Kitt CA, Brauth SE (1986) Telencephalic projections from mid-brain and isthmal cell groups in the pigeon. II. The nigral complex. J Comp Neurol 247:92–110
Kuhlenbeck H (1973) The central nervous system of vertebrates. Vol 3, Part II. Overall morphologic pattern. Karger, Basel
La Vail JH, Cowan WM (1971) The development of the chick optic tectum. II Autoradiographic studies. Brain Res 28:421–441
Martinez S (1987) Estudio experimental de la conectividad tectal en relatión con la región pretectal y la comisura posterior: aspectos estructurales, citoquimicos y ontogenéticos. Doct. Thesis. Murcia Univ.
Martinez-de-la-Torre M, Puelles L (1982) Acetyl-cholinesterase-histochemical demonstration of retinal projection fields in the avian diencephalon and mesencephalon. Neurosci Lett [Suppl] 10:315–316
Mesulam MM (1982) Tracing neural connections with horseradish peroxidase. Wiley, Chichester
Northcutt RG, Braford MR, Landseth GE (1974) Retinal projections in the tuatara Sphenodon punctatus: an autoradiographic study. Anat Rec 178:428
Raffin JP (1974) L'architecture des centres visuels diencéphaliques et prétectaux du poussin de Gallus domesticus L. Etude expérimentale. J Embryol Exp Morphol 32:763–781
Raffin JP (1976) La cytoarchitecture des principaux centres visuels diencéphaliques de l'embryon et du poussin de Gallus domesticus L. Etude expérimentale. J Hirnforsch 17:559–575
Ramón y Cajal S (1911) Histologie du Système Nerveux de l'Homme et des Vertébrés. Maloine, Paris
Ramón y Cajal S (1960) Studies on Vertebrate Neurogenesis. Guth L, transl. Charles C Thomas, Springfield Illinois
Rendahl H (1924) Embryologische und morphologische Studien über das Zwischenhirn beim Huhn. Acta Zool (Stockholm) 5:241–344
Smeets WJA (1982) The afferent connections of the tectum mesencephali in two chondrichtyans, the shark Scyliorhinus canicula and the ray Raja clavata. J Comp Neurol 205:139–152
Trachtenberg MC, Ingle D (1974) Thalamo-tectal projections in the frog. Brain Res 79:419–430
Vollrath FW, Delius JD (1976) Vestibular projections to the thalamus of the pigeon. Brain Behav Evol 13:58–68
Wicht H, Himstedt W (1988) Topologic and connectional analysis of the dorsal thalamus of Triturus alpestris (Amphibia, Urodela, Salamandridae). J Comp Neurol 267:545–561
Zabala C (1978) Estudio morfológico de la neurohistogénesis en el diencéfalo del embrión de pollo, en correlation con el desarrollo de la via óptica. Doctoral Thesis, Sevilla University
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Martinez, S., Alvarado-Mallart, R.M., Martinez-de-la-Torre, M. et al. Retinal and tectal connections of embryonic nucleus superficialis magnocellularis and its mature derivatives in the chick. Anat Embryol 183, 235–243 (1991). https://doi.org/10.1007/BF00192211
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DOI: https://doi.org/10.1007/BF00192211