The morphology and evolutional significance of the pineal body : being part I of a contribution to the study of the epiphysis cerebri with an interpretation of the morphological, physiological and clinical evidence . ,-. 97 Fig. 96 Scheme showing the development of the supra-pineal recess, accordingto Marburg, 1909. Fig. 97 The pineal gland in man, according to Marburg, 1909. Ch., commissura habenularis; Cp., commissura posterior; , chorioidplexus; Rp., recessus pinealis; Rs, recessus suprapinealis; Sch., pars intercalaris;Th , taenia habenulae; Z, pineal gland. 195 196 FREDERICK TILNEY
The morphology and evolutional significance of the pineal body : being part I of a contribution to the study of the epiphysis cerebri with an interpretation of the morphological, physiological and clinical evidence . ,-. 97 Fig. 96 Scheme showing the development of the supra-pineal recess, accordingto Marburg, 1909. Fig. 97 The pineal gland in man, according to Marburg, 1909. Ch., commissura habenularis; Cp., commissura posterior; , chorioidplexus; Rp., recessus pinealis; Rs, recessus suprapinealis; Sch., pars intercalaris;Th , taenia habenulae; Z, pineal gland. 195 196 FREDERICK TILNEY AND LUTHER F. WARREN 7. DISCUSSION /. Significance of the pineal region It is now possible, with the facts presented as evidence, todiscuss the problem of the pineal body and, perhaps, to formu-late some conclusions concerning it. The question uppermost about the epiphysis to-day is whetherthe structure is a mere vestige or whether it has, in mammalsand more especially in man, some definite function. Besidesthis highly important consideration there is still another which,in its way, has an even more far-reaching significance, namely,the value of the pineal structures as one of the indices which maypoint out the l
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