The archenteron develops into a. the mesoderm. b. the endoderm. c. the placenta. d. the lumen of the digestive tract.

Key Concepts

Archenteron

The archenteron is a structure formed during the early stages of embryonic development, specifically during gastrulation. It represents the primitive gut and is the precursor to the digestive tract. Understanding its role is crucial for identifying how it contributes to the formation of various germ layers and organ systems in the developing embryo.

Germ Layers

Germ layers are the three primary layers of cells in the early embryo: ectoderm, mesoderm, and endoderm. Each layer gives rise to different tissues and organs in the body. The endoderm, in particular, develops into the lining of the digestive tract and other internal organs, making it essential to understand its relationship with the archenteron.

Endoderm

The endoderm is one of the three germ layers formed during embryonic development, specifically from the archenteron. It differentiates into the epithelial lining of the gastrointestinal tract, respiratory system, and several glands. Recognizing the endoderm's role is vital for understanding how the archenteron contributes to the formation of the lumen of the digestive tract.