Essay on Human Fertilisation and Development

1103 Words Mar 13th, 2013 5 Pages
CRAM Exclusive
Essay Sample: Page 2
The nucleus in an oocyte is called the germinal vessicel, and the nucleolus is referred to as the germinal spot. Eggs are produced in the ovaries, oval-shaped organs in the groin that also generate sex hormones. At birth, a female's ovaries contain hundreds of thousands of undeveloped eggs, each surrounded by a group of cells to form a follicle, or sac; however, only about 360-480 follicles reach full maturity. During puberty the action of hormones causes several follicles to develop each month. Normally, just one follicle fully matures, rupturing and releasing an ovum through the ovary wall in a process called ovulation. The mature egg enters one of the paired fallopian tubes, where it may be fertilized by a sperm and move on to the uterus to develop into a fetus. The lining of the uterus, called the endometrium, prepares for pregnancy each month by thickening, but if fertilization does not take place, the endometrium is shed during menstruation.

The development of a human begins with fertilization, a process by which the spermatozoan from the male and the oocyte from the female unite to give rise to a new organism, the zygote. During sexual intercourse, a man releases approximately 300 million sperm into a woman's vagina, but only one of the sperm can fertilize the ovum. The successful sperm cell must enter the uterus, swim up the fallopian tube to meet the ovum, and then pass through a thick
CRAM Exclusive

Related Documents

  • Human Development Essay

    Human Growth and Development Cherese Murphy CJA/280 October 18, 2012 Altovise Boyd Human Growth and Development The way in which humans grow and develop has been in question for many years. However, theorists have developed numerous theories pertaining to the growth and development, of humans. All of these theorists had the same question how and what causes humans to behave, grow and develop in different ways. Human development consists of how a person grows and develops physically, intellectually

    Words: 847 - Pages: 4
  • Essay Human Development

    RUNNING HEAD:HUMAN DEVELOPMENT 1 Human Development Jonneitta James PSY 2022 W3A2 South University Online Human Development 2 Topic 1: Early Childhood 1) Jolly, R. (2007). Early childhood development: The global challenge. The Lancet, 369(9555), 8-9. Retrieved from

    Words: 1716 - Pages: 7
  • Essay Human Development

    news and listen to the radio they repeatedly broadcast what was going on about the twin towers, and that we were under attack. Honestly I would never forget that day it was so crazy it can never be forgotten! Vygotsky’s theory of Cogntive Development had role in my childhood as well. I must have been the only child who couldn’t ride a bike at the age of thirteen. I really was embarrassed. Every other Saturday my mother would take me to the park near our house to practice. I was nervous to ride

    Words: 1405 - Pages: 6
  • Development Of The Human Zygote Essay

    Development of the Human Zygote      Hundreds of thousands of times a year a single-celled zygote, smaller than a grain of sand, transforms into an amazingly complex network of cells, a newborn infant. Through cellular differentiation and growth, this process is completed with precision time and time again, but very rarely a mistake in the "blueprint" of growth and development does occur. Following is a description of how the pathways of this intricate web are followed and the mistakes

    Words: 2427 - Pages: 10
  • Myanmar's Human Development Index Essay

    HDI (Human Development Index) for this year is .483 (UNDP 2011). Out of the three factors of human development, Health stands as the highest factor in Myanmar, the lowest of the three being Income. For the past 30 years, Myanmar's HDI trend has been steadily rising between 1980 and 2010. Despite the slight drop in 1990, placing the country below the line of Low Human Development, the trend picks back up five years later. Finally, Myanmar's development ends up just barely over the Low Human Development

    Words: 1331 - Pages: 6
  • Essay on Psychosexual Development and Human Sexuality

    Throughout the history of the human race, and even more so today, our own sexuality has become topic for hot debate. Questions of why people prefer on gender over the other, or why some people take pleasure in activities others consider strange. To understand how and why people display certain sexual tendencies it is important to look at how they developed and the type of history a person has. Despite popular belief, not all gay men have been sexually abused as children. Two key players in understanding

    Words: 1540 - Pages: 7
  • Human Resources Development Essay

    Human Resource Management is a consistent and productive approach towards the management of employees who are ‘valued assets' to the organization. And managing resourceful humans requires a constant balancing between meeting the human aspirations of the people and meeting the strategic and financial needs of the business. Hence linking the HRM more explicitly to the strategic goals to improve the business and foster innovation and flexibility, thus serves the overall purpose. As the UK focuses on

    Words: 1230 - Pages: 5
  • Essay on Stage Theories of Human Development

    Stage Theories of Human Development Jean Piaget believed that all children mature through a series of distinct stages in intellectual development (Coon, 97). Many of these ideas came from him observing his own children and how they solved different problems. He believed in the use of assimilation which is the application of existing mental patterns to new situations, the new situation is linked to existing mental schemes (Coon, 97). Piaget developed a series of stages that children go through

    Words: 635 - Pages: 3
  • Human Development Class Reflection Essay

    The Human Development’s concepts, theories and so on give me a better understanding to explain why people act in different kind of situation that they have. Make me more appreciate the value of taking Human Development class. In the concept of Bronfenbrenner’s Ecological Systems they played huge role to shape my character, values and so on to make me a better person right now that I still value them. For example, in my mesosytem to force me to be more religious because I studied in catholic school

    Words: 1533 - Pages: 7
  • Foundations of Human Development Essay

    Foundations of Human Development in the Social Environment Paper BSHS/325 Foundations of Human Development in the Social Environment Paper The development of a human being can positively and negatively affected by numerous factors during a lifetime. As you read, you will learn many aspects that can make or break a humans development. I will discuss the interactions between the biopsychosocial dimensions of development, the concept of human diversity and cultural competence, and the connection

    Words: 634 - Pages: 3