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By this method, body diagrams can be derived by pasting organs into one of the "plain" body images shown below. This method requires a graphics editor that can handle transparent images, in order to avoid white squares around the organs when pasting onto the body image. Pictures of organs are found on the project's main page. These were ...
A.—Diagram of the primitive urogenital organs, from 'Diagrams to show the development of male and female generative organs from a common type' * w, w. Right and left Wolffian ducts. The observable, visual differences become apparent between male or the female reproductive organs are not seen initially.
This means that in the event of a rival male's sperm occupying the reproductive tract of a female, the human penis is able to displace the rival sperm, replacing it with his own. [42] Semen displacement has two main benefits for a male. Firstly, by displacing a rival male's sperm, the risk of the rival sperm fertilising the egg is reduced. [43]
The uterine tube of the right side is marked m. va. Vagina: vh. Ductus aberrans: vs. Vesicula seminalis: W. Left Wolffian body: W. Scattered remains of the Wolffian body, constituting the organ of Giraldès, or the paradidymis of Waldeyer. w, w. Right and left Wolffian ducts: W. Scattered remains of Wolffian tubes near it (paroöphoron of ...
Superficial anatomy of female and male human body Surface projections of the major organs of the trunk, using the vertebral column and rib cage as main reference points of superficial anatomy Superficial anatomy or surface anatomy is important in human anatomy being the study of anatomical landmarks that can be readily identified from the ...
Female (left) and male (right) adult human bodies photographed in ventral (above) and dorsal (below) perspectives. Naturally-occurring pubic, body, and facial hair have been deliberately removed to show anatomy. The human body is the entire structure of a human being.
The cremaster muscle is a paired structure, there being one on each side of the body. [1] Anatomically, the lateral cremaster muscle originates from the internal oblique muscle, just superior to the inguinal canal, and the middle of the inguinal ligament. The medial cremaster muscle, which sometimes is absent, originates from the pubic tubercle ...
Male sexual arousal. On the left, the male genitalia are in regular, flaccid state. On the right, the male is sexually aroused, the penis is erect and the scrotum is tense. Erection of nipples; Penile tumescence and erection; The veins in the penis may become more prominent; Tightening and/or retraction of the foreskin often exposing the glans ...