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Gravidity refers to the number of times that a female has been pregnant. Similarly, the term parity is used for the number of times that a female carries a pregnancy to a viable stage. [20] . Twins and other multiple births are counted as one pregnancy and birth. A woman who has never been pregnant is referred to as a nulligravida.
Preparation and the studies. Leonardo studied human embryology with the help of anatomist Marcantonio della Torre and saw the fetus within a cadaver. [ 2] The first study, measuring 30.5×22 cm, shows the fetus in a breech position inside a dissected uterus.
Superfetation (also spelled superfoetation – see fetus) is the simultaneous occurrence of more than one stage of developing offspring in the same animal. [1][2][3] In mammals, it manifests as the formation of an embryo from a subsequent menstrual cycle, while another embryo or fetus is already present in the uterus.
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The general concept of the scientific process, see scientific methodThe dictionary definition of processat WiktionaryThe dictionary definition of processesat WiktionaryThe dictionary definition of processingat WiktionaryIn probability theory and statistics, the Poisson distribution is a discrete probability distribution that expresses the probability of a given number of events occurring in a fixed interval of time if these events occur with a known constant mean rate and independently of the time since the last event. [1] .
Anne Jacqueline Hathaway (born November 12, 1982) is an American actress. Her accolades include an Academy Award, a British Academy Film Award, a Golden Globe Award, and a Primetime Emmy Award. Her films have grossed over $6.8 billion worldwide, and she appeared on the Forbes Celebrity 100 list in 2009.
There are many areas of mathematics, which include number theory (the study of numbers), algebra (the study of formulas and related structures), geometry (the study of shapes and spaces that contain them), analysis (the study of continuous changes), and set theory (presently used as a foundation for all mathematics).
