Cryptorchidism is a condition in which the testes fail to descend. Colonic columnar absorptive enterocytes remove water from the gut lumen by taking up salts apically, and pumping them into the spaces between adjacent enterocytes. At the recto-anal junction, the inner circular layer thickens to form a sphincter. The lining of the rectum is highly absorptive. None of the above answers.
Blood flow stops in the macula pellucida or stigma.
There is an increase in amount of collagenase enzymes produced by granulosa cells. There is an increase in the volume and pressure of the follicular fluid. Ovulation takes place on the 14th day of a 28-day cycle. The amount of LH is very low at the time of ovulation. Proximal convoluted tubule.