. A laboratory manual and text-book of embryology. Embryology. MammiUary recess Corpus striatum \ Infundibidum Optic ridge Fig. 323.—Median sagittal section of the fore- and mid-brain regions of a brain from a mm. embryo (after His). In the floor plate the ridge formed by the optic chiasma constitutes the pars optica kypothalamica. The Hypophysis.—The injundibulum develops as a recess caudal to the pars optica hypothalamica (Figs. 324 and 325). At its extremity is the sac-like anlage of the posterior lobe of the hypophysis or pituitary body. During the fourth week the infundibular anlage


. A laboratory manual and text-book of embryology. Embryology. MammiUary recess Corpus striatum \ Infundibidum Optic ridge Fig. 323.—Median sagittal section of the fore- and mid-brain regions of a brain from a mm. embryo (after His). In the floor plate the ridge formed by the optic chiasma constitutes the pars optica kypothalamica. The Hypophysis.—The injundibulum develops as a recess caudal to the pars optica hypothalamica (Figs. 324 and 325). At its extremity is the sac-like anlage of the posterior lobe of the hypophysis or pituitary body. During the fourth week the infundibular anlage comes into contact with Rathke's pouch, the epi- thelial anlage of the anterior lobe of the hypophysis (Fig. 325). The epithelial anlage is at first flattened and soon is detached from its epithelial stalk. Later, it grows laterally and caudally about the anlage of the posterior lobe and during the second month its wall is differentiated into convoluted tubules which obliterate its cavity. The tubules become closed glandular follicles surrounded by a rich. 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 Prentiss, Charles William, 1874-1915. Philadelphia, London, W. B. Saunders


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectembryology, bookyear1