The Wolffian duct is the urogenital duct of the adult, and the Mullerian duct is entirely absorbed, or remains, more or less, in exceptional cases.
Draw diagrams of (a) the male and (b) the femaleurogenital organs of the dog-fish.
The anterior cavity receives the urogenital canal, and is the sole outlet of the urine and the sexual products; the hind or anus-cavity passes the excrements only.
All the peculiarities ofurogenital structure that distinguish the mammals from the rest of the Vertebrates are found in man; and in all special structural features he resembles the apes, particularly the anthropoid apes.
Urogenital system of a human embryo of three inches in length, double natural size.
The sexual groove on the under side of the phallus receives in the male the mouth of the urogenital canal, and is changed into a continuation of this, becoming a closed canal by the juncture of its parallel edges, the male urethra.
In all the other mammals (marsupials and placentals) a transverse partition is afterwards formed, and this separates the urogenital aperture in front from the anus-opening behind.
In this case the urogenital canal opens above at the dorsal root of the penis; in the former case down below.
These openings are called by Professor Semper, Segmentaltrichter, and by Dr Spengel, in his valuable work on the urogenital system of Amphibia, Nephrostomen.
Footnote 360: "Abdominal Pores and Urogenital Sinus of Lamprey," Journal of Anatomy and Physiology, Vol.
Semper[373], in his elaborate memoir on the urogenitalsystem of Elasmobranchii, has added very greatly to our knowledge on this subject.
At about the beginning of the posterior fourth of the body, and in the midventral line, is the anal opening, and immediately behind it is the prominent papilla carrying the opening of the urogenital sinus.
This opening, which leads directly from coelom into urogenital sinus, is known as the genital pore.
Usually there are no external genital organs, but in some species a papilla or tube is developed at the end of the urogenital sinus.
A vas deferens leads from each of these organs into the urogenital sinus.
When mature they are discharged through the oviduct to the urogenital sinus.
In the sharks and skates the intestine opens into a cloaca, which contains also the urogenital openings.
They discharge their secretions through the ureter to a small urinary bladder, and thence into the urogenital sinus, a small opening behind the anus.
Underneath is the opening of the anus (an) and the urogenitalsinus (S.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "urogenital" in a variety of sentences. We hope that you will now be able to make sentences using this word.
