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The mammalian midbrain and isthmus regions. Part II. The fiber connections. A. The relations of the tegmentum of the midbrain with the basal ganglia in Macaca mulatta
Author(s) -
Woodburne Russell T.,
Crosby Elizabeth Caroline,
McCotter Rollo E.
Publication year - 1946
Publication title -
journal of comparative neurology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.855
H-Index - 209
eISSN - 1096-9861
pISSN - 0021-9967
DOI - 10.1002/cne.900850107
Subject(s) - midbrain , tegmentum , anatomy , biology , comparative anatomy , neurology , neuroscience , central nervous system
The study of the nuclear pattern of the mammalian midbrain and isthmus regions (Huber et al.) reported in 1943 is being followed by an investigation of the fiber connections of this area based on both normal and experimental material. The present paper, the first of this series of studies on the connections, reports on the interrelations existing between the tegmentum of the midbrain and the basal ganglia of the hemispheres. Since many of the descending paths from the basal ganglia undergo synapse in the subthalamus and the tegmental region of the midbrain, subthalamo-teg-mental and certain descending paths from the tegmentum to lower centers are also discussed. The material used for this consideration of fiber connections consists of transversely and sagittally cut serial sections of the brain of Macaca mulatta stained by the Weigert technique, and supplemented by some Marchi preparations.