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Related Concept Videos

Zygotic Development And Stem Cell Formation01:10

Zygotic Development And Stem Cell Formation

The development of all multicellular organisms starts with the fusion of haploid cells called sperm and egg to form a diploid zygote. A zygote is a totipotent cell that can develop into a complete organism. The zygote undergoes cell division or cleavage to form an 8-cell mass. Until this stage, the cells are spherical, loosely attached, and remain totipotent. Totipotent cells are capable of developing both the embryonic and the extraembryonic tissues. However, as they continue to divide, they...
Cleavage and Blastulation01:33

Cleavage and Blastulation

After a large-single-celled zygote is produced via fertilization, the process of cleavage occurs while zygotes travel through the uterine tube. Cleavage is a mitotic cell division that does not result in growth. With each round of successive cell division, daughter cells get increasingly smaller.
Development of the Sexual Organs in the Embryo and Fetus01:15

Development of the Sexual Organs in the Embryo and Fetus

Development of the reproductive organs in an embryo starts from a bipotential state. This means the early embryo can develop either male or female reproductive organs. The formation of these organs begins with the growth of gonadal ridges that arise from the intermediate mesoderm during the fifth week of development.
Near the gonadal ridges, two duct systems are present: the mesonephric ducts (Wolffian ducts) and paramesonephric ducts (Müllerian ducts). These ducts form the basis for the male...
Embryonic Stem Cells00:58

Embryonic Stem Cells

Embryonic stem (ES) cells are undifferentiated pluripotent cells, meaning they can produce any cell type in the body. This gives them tremendous potential in science and medicine since they can generate specific cell types for use in research or to replace body cells lost due to damage or disease.
Embryonic Stem Cells00:57

Embryonic Stem Cells

Embryonic stem (ES) cells were first discovered in mice in 1981 by Martin Evans. In 1998, James Thomson identified a method to isolate embryonic stem cells from humans. Human embryonic stem cells (hESCs) are obtained from 3-5 day old embryos that remain unused after an in vitro fertilization procedure.
ES cells are grown in a culture medium where they can divide indefinitely, creating ES cell lines. Under certain conditions, ES cells can differentiate, either spontaneously into a variety of...
Determination01:51

Determination

During embryogenesis, cells become progressively committed to different fates through a two-step process: specification followed by determination. Specification is demonstrated by removing a segment of an early embryo, “neutrally” culturing the tissue in vitro—for example, in a petri dish with simple medium—and then observing the derivatives. If the cultured region gives rise to cell types that it would normally generate in the embryo, this means that it is specified. In contrast, determination...

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Do embryos have interests?

Aaron Simmons1

  • 1Department of Philosophy, Grand Valley State University, Allendale, MI 49401, USA. simmonsa@gvsu.edu

Journal of Bioethical Inquiry
|November 27, 2012
PubMed
Summary
This summary is machine-generated.

Embryos may not deserve moral consideration because they lack the capacity for desires, which is essential for having interests. This challenges the view that embryos are harmed by death due to a lost future life.

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Area of Science:

  • Bioethics
  • Philosophy of Mind
  • Developmental Biology

Background:

  • The moral status of embryos is a contentious issue in bioethics.
  • A common argument for granting embryos moral consideration is that they possess interests, particularly an interest in a future life.
  • This view is challenged by arguments questioning embryonic identity and the onset of personhood.

Purpose of the Study:

  • To critically examine the concept of embryonic interests.
  • To provide a robust justification for why embryos may not possess interests.
  • To explore the relationship between desires, interests, and moral consideration.

Main Methods:

  • Philosophical argumentation
  • Conceptual analysis
  • Ethical theory

Main Results:

  • Arguments based on potentiality and identity do not sufficiently refute the claim that embryos have interests.
  • A stronger argument against embryonic interests is their lack of a capacity for desires.
  • The capacity for desires is a necessary condition for having interests and for understanding the normativity of interests.

Conclusions:

  • Embryos are unlikely to possess interests because they lack the capacity for desires.
  • This finding has significant implications for the debate on embryonic moral status and the ethics of early human life.
  • Re-evaluating the basis of moral consideration beyond potentiality is crucial.