Sperm size varies dramatically among different animal species. But why is sperm size so variable…
Browsing: Reproductive Biology
Reproductive biology is the branch of biology that studies the mechanisms, processes, and systems involved in reproduction in living organisms. This field encompasses the anatomy, physiology, endocrinology, and behavior associated with reproductive processes in both animals and plants. Key areas of focus include gametogenesis (the formation of eggs and sperm), fertilization, embryonic development, reproductive cycles, and the hormonal regulation of these processes. In humans and other animals, reproductive biology also explores topics like mating systems, reproductive health, and assisted reproductive technologies (such as in vitro fertilization). Understanding reproductive biology is crucial for addressing issues related to fertility, contraception, population management, and the conservation of endangered species. Advances in this field contribute to medical and agricultural innovations, enhancing reproductive health and efficiency.
A gene mutation in FSIP2 impairs sperm motility, causing infertility. Boosting FSIP2 instead creates ultra-mobile…
In the largest-ever artificial insemination effort on sharks, researchers successfully produced 97 baby sharks, some…
An alternative explanation of recent findings of declining sperm counts: normal, non-pathological variation. A new…
Scientists have grown realistic early human embryo models from stem cells, unlocking new paths in…
Women’s menstrual cycles sometimes align with lunar cycles, likely influenced by moonlight and gravity. The…
Twin births are rising globally, especially from fertility treatments, but survival rates remain unequal. More…
Oocyte growth relies on physical phenomena that drive smaller cells to dump their contents into…
Lemurs Show There’s No Single Formula for Lasting Love Humans aren’t the only mammals that…
Butterflies have evolved to produce a strongly scented chemical in their genitals that they leave…
Warming Oceans Put Baby Sharks at Risk New research has found as climate change causes…
A new study provides the first detailed documentation of a shallow water fish diving 450…
Adding nuts to a Western-style diet has an effect on its epigenetics; this research shows,…
University of Oregon and Northwestern University biologists show that too many crossover events can increase…
University of Massachusetts Amherst scientists say discovery could lead to better diagnosis of male infertility.…
Small bivalved crustacean ostracods are the most abundant fossil arthropods since the Ordovician and play…
For the first time, scientists have created pigs, goats, and cattle that can serve as…
School spaces with newer furniture show significantly lower levels of hazardous exposures. There are good…