Posterior 前与后

Posterior. This describes something that is closer to the back of something. In humans, it refers to the back of the body, whether it be the torso, arms, legs, or head. For example, the posterior pituitary gland(脑垂体后叶) is located closer to the back of the head than the anterior pituitary gland.(脑垂体前叶)

Anterior. This describes something closer to the front of something. In the human body, it refers to something located nearer to the front of the body, whether it be the torso, arms, legs, or head. For example, the anterior superior (iliac crest髂嵴) defines the pelvic bone structure that is both anterior and superior when compared to the rest of the pelvic bone.(骨盆)

Posterior( 后面 后部) 这用来描述离某物体后面更近的某物。人体中里面它是指：身体的后部，无论躯干 手臂 大腿 头部。如☞ 脑垂体后叶比脑垂体前叶的位置更接近头部后方位置，

Anteriror(前面 前部) 这是用来描述离某物体前面更近的某物。人体里面它是指：更靠近身体前面的物体，无论躯干 手臂 大腿 还是头部；例如前上髂嵴与骨盆其他部分相比较，位于前部和上部的骨盆骨骼构造。