Development of the anus - 2 part - Relationship development therapy autism
The embryological origin of the mouth and anus is an important characteristic and forms the morphological basis for separating bilaterian animals into two.
The defining characteristic of the deuterostome is the fact that the blastopore the opening at the bottom of the forming gastrula becomes the anus whereas in protostomes the blastopore becomes the mouth.
2 dermoid cysts a dermoid cyst is fairly rare but it is generally benign in select cases it may become cancer later on this type of cyst is generally found on the testicles but it may sometimes grow along the edge of the perineum between the scrotum and the anus.
Chapter 2 theories of human development 25 maturationist theory granville stanley hall 18441924 was a pioneering american psychologist and educator.
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The merck manuals known as the msd manuals outside us amp canada are the global standard in medical reference for doctors students amp consumers since 1899.
anal cancer is a disease in which malignant cancer cells form in the tissues of the anus the anus is the end of the large intestine below the rectum through which stool solid waste leaves the body.