【用戶】一個人
【年級】高一上
【評論內容】The anterior pituitary gland (adenohypophysis) arises from an evagination of the oropharyngeal membrane known as Rathke’s pouch.The posterior pituitary gland (neurohypophysis) arises from an evagination of neuroectoderm from the diencephalon. (https://www.med.umich.edu/lrc/coursepages/m1/embryology/embryo/08nervoussystem.htm)The region where the crescentic masses of the ectoderm and endoderm come into direct contact with each other constitutes a thin membrane, the buccopharyngeal membrane (or oropharyngeal membrane), which forms a septum between the primitive mouth an...