. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. ISO DISCOVERY REPORTS medulla oblongata are established, and on the roof and floor respectively of the thala- mencephalon the pineal and pituitary bodies can be clearly discerned. The roots of most of the cranial nerves may also be found by dissection (Fig. 4 a). Between stages 31 and 34, the hemispheres grow rapidly and encroach on the region of the thalamencephalon. They develop in association with the olfactory sense organs at the time when the beak itself is elongating most noticeably (Fig.
. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. ISO DISCOVERY REPORTS medulla oblongata are established, and on the roof and floor respectively of the thala- mencephalon the pineal and pituitary bodies can be clearly discerned. The roots of most of the cranial nerves may also be found by dissection (Fig. 4 a). Between stages 31 and 34, the hemispheres grow rapidly and encroach on the region of the thalamencephalon. They develop in association with the olfactory sense organs at the time when the beak itself is elongating most noticeably (Fig. 4 b). Mean- while the cerebellum {ce) makes its appearance behind the optic lobes. At first it is little more than a ridge, and it develops late, as might be expected of an organ particularly connected with the control and perception of fine movements. Further increase in the size of the hemispheres and of the cerebellum results in the disposition of the main regions of the brain as illustrated in Fig. 4 c. The cerebellum, now prominent, is divided by three sulci, the hindmost of which demarcates a broad basal segment bearing a pair of lateral processes known as the flocculi. These are par- ticularly clear at this stage (cf. the dorsal view of the brain shown in Fig. 5 b), and they. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Institute of Oceanographic Sciences (Great Britain); National Institute of Oceanography of Great Britain; Great Britain. Colonial Office. Discovery Committee. London ; New York : Cambridge University Press
Size: 1746px × 1431px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti