. The elements of embryology . Embryology. xn.] THE mND-BRAIN. 369 lobe with an arbor vitsB, into which the fourth ventricle is prolonged. There are two small lateral lobes, ap- parently equivalent to the flocculi. In Mammalia the cerebellum attains a still greater development. The median lobe or vermiform process Fio. 42^ Cfis in/ 'u^ fin^ LONOITUDINAL SECTION THROUGH THE BeAIN OF A ChICK OP Ten Days. (After Mihalkovics.) hm^. cerebral hemispheres ; alf. olfactory lobe; aZ/i, olfactory nerve ; ggt. corpus striatiun ; oma. anterior commissure ; chd 3. choroid plexus of the third ventricl
. The elements of embryology . Embryology. xn.] THE mND-BRAIN. 369 lobe with an arbor vitsB, into which the fourth ventricle is prolonged. There are two small lateral lobes, ap- parently equivalent to the flocculi. In Mammalia the cerebellum attains a still greater development. The median lobe or vermiform process Fio. 42^ Cfis in/ 'u^ fin^ LONOITUDINAL SECTION THROUGH THE BeAIN OF A ChICK OP Ten Days. (After Mihalkovics.) hm^. cerebral hemispheres ; alf. olfactory lobe; aZ/i, olfactory nerve ; ggt. corpus striatiun ; oma. anterior commissure ; chd 3. choroid plexus of the third ventricle; 'pin. pineal gland; cnvp. posterior commissure ; trm. lamina terminalis; chm,. optic chiasma; inf. infundibiilum; Ivph. pituitary body; hgm. commissure of Sylvius (roof of iter a tertio ad quartum ventrioulum); vma. velum medullse anterius (valve of Vieus- sens); M. cerebeUimi; chd 4. choroid plexus of the fourth ventricle; dbt 4. roof of fourth ventricle ; 06?. medulla oblon- gata ; pM. commissural part of medulla; inv. sheath of brain; his. basilar artery; arts, internal carotid. F. & B. 24. 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 Foster, M. (Michael), Sir, 1836-1907; Balfour, Francis M. (Francis Maitland), 1851-1882; Sedgwick, Adam, 1854-1913; Heape, Walter, 1855-1929. London ; New York : Macmillan
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Keywords: ., bookcentury1800, bookdecade1880, bookpubli, booksubjectembryology
