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Population Growth and Survivorship

By: Maria Victoria Gonzaga Previously, we learned about biodiversity and endemism. Now, let's look at the... Read More

Neonatal

Neonatal (Science: paediatrics) Pertaining to the first four weeks after birth. Origin: L. Natus = born Relating to or... Read More

Menstruation

Definition noun The periodic physiologic discharge through the vagina of blood, cervical mucus, vaginal secretions, and... Read More

Follicle-stimulating hormone

Follicle Stimulating Hormone Definition In the pituitary gland of the brain, gonadotropic hormones are released.... Read More

Infradian rhythm

What is the Infradian Rhythm? An infradian rhythm is a type of biological rhythm that lasts longer than 24 hours, with a... Read More

Periderm

Definition noun, plural: periderms (botany) An outer covering that replaces the epidermis of certain plants (embryology)... Read More

Biosecurity and Biocontrol

By: Maria Victoria Gonzaga In the previous lesson, we learned about the importance of modern science... Read More

Birth Control and Contraception

Birth Control Some religious beliefs see methods of contraception unethical while some political bodies chose birth control... Read More

Growth and Development of a Human Baby

Continued from the initial human reproduction of the previous page in this tutorial. Upon arrival in the uterus, the... Read More

Human Reproduction and Fertilization

For the human species to continue surviving, it is essential that mature adults are capable of producing fertile offspring... Read More

Fruits, Flowers, and Seeds

Flowering plants grow in a wide variety of habitats and environments. They can go from germination of a seed to a mature... Read More

Uterine cycle

Definition noun The cycle that depicts the changes in the endometrial lining occurring during a menstrual cycle, and is... Read More

Asian Glossy Starling

Definition noun, Species in class Aves that considered as one of the noisiest species of birds those are highly extroverted... Read More

Naturally acquired passive immunity

Definition noun A passive immunity that is acquired by the fetus or newborn through its mother, and typically lasts the... Read More

Lysosome

Lysosome Definition noun plural: lysosomes ly·so·some, ˈlaɪsəˌsoʊm (cell biology) Organelle containing a large... Read More

Vital

vital 1. Belonging or relating to life, either animal or vegetable; as, vital energies; vital functions; vital actions. 2.... Read More

Natural passive immunity

Definition noun A passive immunity acquired by the fetus or newborn from the mother via the placental transfer of antibodies... Read More

Fetus

The science of Embryology and Fetal development has fascinated mankind since time immemorial. After the embryonic stage, the... Read More

Cell differentiation

Cells are often described as the building blocks of life as they are the smallest unit used to build up organisms. Cells can... Read More

Myocardium

Myocardium Definition What is the myocardium of the heart?  It is the muscular middle layer of the heart that is... Read More

Chorion

Chorion Definition The chorion is a membrane that develops around the developing fertilized egg. It begins to develop... Read More

Null hypothesis

Null Hypothesis Definition Null hypothesis is defined as “the commonly accepted fact (such as the sky is blue) and... Read More

Nail matrix

Definition noun The area consisting of mitotically active layer of cells at the base of the fingernail or the toenail and... Read More

Incubation period

Incubation Period Definition The incubation period is the time duration between exposure to the pathogen and the appearance... Read More

Lanugo

What is Lanugo? Lanugo is the delicate and downy hair that covers a fetus within the uterus (womb). It is very fine hair.... Read More

Expire

Expire 1. To breathe out; to emit from the lungs; to throw out from the mouth or nostrils in the process of respiration;... Read More

Exhibit

Exhibit 1. To hold forth or present to view; to produce publicly, for inspection; to show, especially in order to attract... Read More

Inoculation

Inoculation Definition In Immunology, inoculation is defined as the process of introducing an antigenic substance or... Read More