Examlex
A database with a network data structure can easily handle a many-to-many data relationship, whereas a hierarchical model cannot.
Yolk Sac
An extra-embryonic membrane that provides nourishment to the developing embryo in some vertebrates.
Polar Bodies
Small cells that are formed and discarded during the oocyte's maturation process, serving no purpose in human reproduction.
Oxytocin
A hormone and neurotransmitter involved in childbirth and lactation, also associated with empathy, trust, sexual activity, and relationship-building.
Mammary Lobules
Glandular structures in the breast that produce milk during lactation, organized into larger units called lobes.
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