Examlex
What is the main constituent of the atmosphere of Venus?
Endometrium
The inner lining of the uterus that thickens during the menstrual cycle in preparation for possible implantation of an embryo.
Meiosis II
A phase in cell division where a single cell divides once, leading to the creation of four haploid cells from the original diploid cell, primarily occurring in the production of gametes.
Cleavage Divisions
A series of mitotic cell divisions in early embryonic development that leads to an increase in cell number without cell growth.
Blastocyst
An early stage of embryonic development characterized by a hollow sphere of cells, which implants into the uterine wall as part of pregnancy initiation.
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