mesoderm

/'mesoudə:m/

Thân thiện

The mesoderm forms the muscles and bones in a developing embryo.

Definition

Noun: * The middle germ layer in an embryo: In biology, this is one of the three primary layers of cells (germ layers) in a developing animal embryo. It is the layer situated between the ectoderm (outer layer) and the endoderm (inner layer). During development, the mesoderm gives rise to a wide range of internal structures and tissues.

Examples of Usage

• Noun:
  • During gastrulation, the embryo forms three distinct layers: the ectoderm, the mesoderm, and the endoderm.
  • Muscles, the skeletal system, and the circulatory system all originate from the mesoderm.
  • The study focused on how specific genes guide the differentiation of mesoderm cells.

Advanced Usage

• "Derived from the mesoderm": A common phrase used to describe the embryonic origin of a tissue or organ.
  • The heart is a mesodermal organ, meaning it is derived from the mesoderm.

Variants and Related Words

• Mesodermal (adjective): Of or relating to the mesoderm.
  • The mesodermal layer gives rise to connective tissue.
• Mesenchyme (noun): A type of loose, embryonic connective tissue that arises from the mesoderm.
  • Mesenchyme cells can migrate and differentiate into various cell types.

Synonyms

• Mesoblast: A less common, synonymous term for the mesoderm, especially in older texts.

Related Terms (Contextual)

• Ectoderm: The outermost germ layer, which gives rise to the skin and nervous system.
• Endoderm: The innermost germ layer, which gives rise to the lining of the digestive and respiratory tracts.
• Germ layer: A collective term for the three primary cell layers (ectoderm, mesoderm, endoderm) in early embryonic development.

Học thuật

Noun

1. the middle germ layer that develops into muscle and bone and cartilage and blood and connective tissue

Từ đồng nghĩa

• mesoblast