Testes may be located in the abdomen, but are usually found in the inguinal canal or scrotum. Male pseudohermaphrodites with 5α-reductase-2 deficiency are clinical models for defining major actions of testosterone and DHT during male sexual differentiation and development. Testosterone and DHT are...
Each male was anaesthetized in MS-222, and sperm was collected in a physiological solution (0.9 % NaCl) after applying gentle pressure on the male’s abdomen. Several aspects of sperm production and quality were considered: (i) sperm swimming performance, (ii) sperm viability, and (iii) ...
On top of this, some of the abdominal fluid (lubricating fluid that exists in small amounts within the abdomen to let the organs slide over each other and not adhere to each other) and abdominal 'space' that exists within the abdominal cavity also goes with the peritoneal outpouching (...
Live blister beetle males were euthanized with CO2 prior to dissection: their abdomens were removed and immediately submerged in cacodylate buffer 0.1 M (pH 7.4) in order to isolate the accessory glands after the removal of ventrites. Each gland was cut in smaller pieces to facilitate the subse...
Meanwhile, the male attempted to curve his abdomen inward and mate (Figure 1A(c); Figure 1B(c)). In some cases, when the female refused to mate, she fanned her wings and escaped immediately. Males were observed to give up after several failed attempts to mate. Copulating: Once a male...