Now, we’re all about equal opportunity dick sizes here at IFLScience, but the miniature nature of the gorilla phallus really ...

In nature, the zona pellucida, as this shell is known, protects the egg as it travels down the fallopian tube on its way to the uterus; it also regulates fertilization so that only a single sperm ...

and the final challenge of penetrating the egg itself which is encased in a protective layer called the zona pellucida. Only ...

enclosed all the while by a membrane inherited from the oocyte (the zona pellucida). Together, these cells and membrane function as parts of a whole that regularly and predictably develops by an ...

She proposed an alternative solution — birth control for deer, as described on The Humane Society of the United States ...

IVF or ICSI and opening the zona pellucida (embryo shell) to help the embryo hatch and increase its chances of successful implantation into the lining of the uterus. #25 on Jacques Cohen's list.

Zona pellucida. Features & Antifertility Effects of Infertility-associated Sperm Antigens Sperm antigens Features Antifertility effects Ref. LDH-C4 140 kDa Anti-LDH-C4 antibody enters the female ...

Figure 2: Pol-Scope imaging of metaphase II spindles (indicated by arrowheads) of a bovine oocyte (A) free of zona pellucida and (B) with zona pellucida intact. In vitro fertilization of mouse ...

Western rangelands can sustain the wild horses and burros that exist, particularly if the BLM adopts a proactive approach using humane and proven fertility control methods such as porcine zona ...