Karyopyknotic index
An index used to monitor the hormonal status of the patient as reflected by exfoliated vaginal cells and their morphology; an expression of the percentage of intermediate and superficial cells from squamous cells of vaginal epithelium which have pyknotic nuclei.
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..
Molecules move within the cell or from one cell to another through different strategies. Transport may be in the form of..
This tutorial investigates the genetic diversity in more detail. It also delineates how certain alleles are favored over..
Learn how the way genes control and determine every aspect of the body. This lesson uses lac operon as an example. ..
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Plants and animals need elements, such as nitrogen, phosphorus, potassium, and magnesium for proper growth and developme..
A still body of water may be disturbed by a variety of factors. One of them is wind. In fact, it is considered as the pr..