1
The release of an egg from the ovary, crucial for conception
2
The fusing of sperm nucleus and egg nucleus, leading to the formation of a zygote
3
The period during which an embryo develops in the womb
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An early stage of development in multicellular organisms, following the blastocyst stage
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The male reproductive cells responsible for fertilising the female's egg
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Structures that carry genetic information, essential for inheritance
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An organ that develops in the uterus during pregnancy, providing nutrients to the foetus
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The process whereby the blastocyst sinks into the lining of the uterus
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The female sex hormone which keeps the uterus lining thick during pregnancy
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The male sex hormone responsible for the development of male secondary sexual characteristics
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A structure in males where sperm are stored
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A structure in females which forms the entrance to the uterus
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A fluid-filled structure in the ovary which contains the ovum
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A phase of development, characterised by a rise in progesterone levels from the corpus luteum
15
The hormone responsible for ovulation in the menstrual cycle
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