1. Further, the developments of membrane potential across such membranes as ion exchange membrane, bipolar membrane, amphoteric membrane and composite membrane are reviewed respectively. �ֱ�����˹������ӽ���Ĥ��˫��Ĥ������Ĥ�Լ�����Ĥ��Ĥ��λ�����½�չ����������ķ�չ����
2. The membrane of a neuron is mainly composed of the following three parts:the postsynaptic membrane, the somatic membrane and the membrane of the initial segment. ��Ԫ�Ĺ�����Ҫ��ͻ����Ĥ������Ĥ��ʼ��Ĥ����Ĥ�ṹ�IJ�ͬ����Ծ����ġ�
3. The membrane of a neuron is mainly composed of the following three parts:the postsynaptic membrane, the somatic membrane and the membrane of the initial segment. ��Ԫ�Ĺ�����Ҫ��ͻ����Ĥ������Ĥ��ʼ��Ĥ����Ĥ�ṹ�IJ�ͬ����Ծ����ġ�
4. Cytoplasmic membrane, or cell membrane, plasma membrane, is a soft, fragile and flexible semi-permeable membrane, which underlines cell wall and surrounds cytoplasm. Ҳ��ϸ��Ĥ����һ�����ϸ�����ڲ࣬��Χϸ���ʵ��������������е��Եİ��Ա�Ĥ��
5. It is said that bovine horn origins from embryonic horn placode at frontal bone and occurs about embryonic age day 70-100. ţ���ɶ�ǵĹ���ͻ���ػ��Ľ�����ǹ��ɣ���Ƥ���������