Examlex
The parsec is defined so that a star at a distance of 1 parsec has a parallax of one arcsecond. If a star has a parallax of 0.05 seconds of arc, what is its distance?
Sleep
A natural, reversible state of rest for the mind and body, essential for health and cognition.
Developing Embryo
Describes the early stage of fetal development post-conception, characterized by rapid cellular division and differentiation.
Genetically Male
Terms pertaining to individuals with an XY chromosome pair, determining male biological sex.
Identical Stem Cells
Cells that are genetically identical and have the potential to develop into any type of cell in the body, used in various medical treatments and research.
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