. The endocrine organs; an introduction to the study of internal secretion . FIG. 82.—Sagittal section of pineal of cat. Magnified 50 diameters. I am indebted toDr Kojima for the specimen from which this microphotograph was taken. or peduncle to the habenular commissure. The base of the gland has asmall infundibular depression (pineal recess) leading from the ventriclejust above the entrance of the aqueduct. This recess is the remains of anevagination from the third ventricle, from which the pineal was originallydeveloped. In some reptiles a median eye is developed as a secondary out-growth fr
. The endocrine organs; an introduction to the study of internal secretion . FIG. 82.—Sagittal section of pineal of cat. Magnified 50 diameters. I am indebted toDr Kojima for the specimen from which this microphotograph was taken. or peduncle to the habenular commissure. The base of the gland has asmall infundibular depression (pineal recess) leading from the ventriclejust above the entrance of the aqueduct. This recess is the remains of anevagination from the third ventricle, from which the pineal was originallydeveloped. In some reptiles a median eye is developed as a secondary out-growth from this evagination (Baldwin Spencer). The gland is proportion-ately larger in the child than in the adult, and in the female than in themale. Its average weight in man is 022 gramme. It lies between theanterior corpora quadrigemina, and is closely invested by pia mater, so 118 Structure of the Pineal 119 that it usually becomes detached from the brain if the pia mater istorn FIG. 83.—Section of pineal, new-born child. Magnified 400 diameters. Three or fourlarge sinus-like vessels gorged with blood are included in the section.
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Keywords: ., bo, bookcentury1900, bookdecade1910, bookidendocrineorgansi00shar
