Scientists have created the first detailed day-by-day map of human embryo development using single-cell technology.

Abstract: Accurate identification of different components of a developing human embryo play crucial roles in assessing the quality of such embryo. One of the most important components of a day-5 human ...

CBSE Class 12th Biology Half Yearly Exam - This article contains a selection of essential Multiple Choice Questions (MCQs) for the CBSE Class 12th Biology Mid Term Exam 2025, specifically designed to ...

Dr. Jasmine N. Jack (Psychiatry): A 19-year-old woman was admitted to this hospital because of episodes of shaking of the right arm and leg and odd behaviors. The patient had been in her usual state ...

Stem cell therapy is an emerging treatment for type 2 diabetes. Although it’s not yet FDA-approved in the United States, it is a rapidly expanding and promising field of research. Stem cells are ...

Not revised: This Reviewed Preprint includes the authors’ original preprint (without revision), an eLife assessment, and public reviews. During vertebrate gastrulation, mesendoderm cells are initially ...

The epithelium is a type of tissue that covers many different surfaces on the inside and the outside of your body. Epithelial cells are packed tightly together and serve as a barrier between the ...

An unexpectedly versatile and regenerative stem cell in early embryos may be key to creating new effective fertility treatments, suggests a new study in mice from the University of Copenhagen. It ...

It’s one of life’s most defining moments—that crucial step in embryonic development, when an indistinct ball of cells rearranges itself into the orderly three-layered structure that sets the stage for ...

In the wake of the Alabama Supreme Court decision establishing that frozen embryos can be considered children, some IVF clinics in that state have paused operations -- because discarding embryos is ...

Ovarian teratomas are germ cell tumors that develop on the ovaries. The majority are noncancerous and do not cause symptoms. However, some people may experience pain, urinary issues, and abdominal ...