Definition

Noun 1. Tissue in an embryo: The undifferentiated, rapidly dividing cells and cellular structures that constitute the developing body of an organism during its earliest stages of life, before the formation of distinct organs and systems.

Usage

• Noun: "Embryonic tissue" refers to the foundational cellular material from which all specialized tissues and organs of an organism will develop.
  • Scientists study embryonic tissue to understand the fundamental processes of cell differentiation and development.
  • The ethical debate often centers on the use of human embryonic tissue for medical research.

Advanced Usage

• In developmental biology: The term is used to describe the pluripotent or totipotent cells present in the early embryo that have the potential to give rise to any cell type.
  • The manipulation of embryonic tissue in model organisms has revealed key genetic pathways governing body plan formation.

Variants and Related Words

• Embryo (n): An organism in the early stages of growth and differentiation, from fertilization to the beginning of the third month of gestation (in humans).
• Embryonic (adj): Of, relating to, or being in the stage of an embryo; also used figuratively to mean in a very early stage of development.
  • The project is still in its embryonic stages.
• Germ layer (n): A primary layer of embryonic tissue (ectoderm, mesoderm, endoderm) from which all bodily tissues and organs develop.

Synonyms

• Primordial tissue
• Germinal tissue

Related Phrases

• Embryonic stem cells: Pluripotent stem cells derived from the inner cell mass of a blastocyst, an early-stage embryo.
  • Research on embryonic stem cells focuses on their potential for regenerative medicine.

Noun

1. tissue in an embryo