What does gestation mean in psychology?
n. the development of the embryo and fetus in the uterus until birth. See pregnancy. —gestational adj.
What is germinal period in psychology?
Germinal Stage (Weeks 1–2) A mother and father’s DNA is passed on to the child at the moment of conception. Conception occurs when sperm fertilizes an egg and forms a zygote. A zygote begins as a one-cell structure that is created when a sperm and egg merge. The genetic makeup and sex of the baby are set at this point.
What is fertilization in psychology?
n. the fusion of a sperm and an egg cell to produce a zygote.
What is gamete and zygote?
Difference between Gamete and Zygote: Gametes are unfertilized reproductive cells. Zygote is a fertilised egg or a fertilised egg. As a product of meiosis, gametes are always haploid cells. Since zygote is the product of the fusion of the male and female gamete haploid, it is a diploid structure.
What is an example of gestation?
Gestation is the process in which babies grow inside their mother’s body before they are born. …the seventeenth week of gestation. The gestation period can be anything between 95 and 150 days. Gestation is the process in which an idea or plan develops.
What are some known teratogens and what kind of damage can they do to the developing fetus?
Common teratogens include some medications, recreational drugs, tobacco products, chemicals, alcohol, certain infections, and in some cases, uncontrolled health problems in the birthing parent. Alcohol is a well-known teratogen that can cause harmful effects on the fetus after exposure at any time during pregnancy.
What happens Human fertilization?
A pregnancy starts with fertilization, when a woman’s egg joins with a man’s sperm. Fertilization usually takes place in a fallopian tube that links an ovary to the uterus. If the fertilized egg successfully travels down the fallopian tube and implants in the uterus, an embryo starts growing.
What is smaller than a zygote?
Mammalian zygotes eventually develop into a blastocyst, after which they are more generally termed an embryo, and then a fetus.
What is the meaning of the word insanity?
Definition of insanity. 1 dated : a severely disordered state of the mind usually occurring as a specific disorder.
What is fecundation?
Noun: 1. fecundation – creation by the physical union of male and female gametes; of sperm and ova in an animal or pollen and ovule in a plant
What is another word for fecund?
fecund, fecundation – Fecund is another word for “fertile, fruitful, productive”; fecundation is another word for “fertilization, impregnation.” See also related terms for productive.
What did Albert Einstein say about insanity?
Albert Einstein: The definition of insanity is doing the same thing over and over and expecting different results. Albert Einstein was one of the most significant scientific geniuses of the 20th century. His theories helped scientists break through some of the barriers to our understanding the physical world and the universe.