Embryogenesis and Germ Layers Quiz

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Nervous system (D) Signup and view all the answers

Pancreas (D) Signup and view all the answers

Ectoderm (C) Signup and view all the answers

Mesoderm (B) Signup and view all the answers

Skeletal system (A) Signup and view all the answers

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Gastrulation: a process in early embryogenesis that forms three primary germ layers: endoderm, mesoderm, and ectoderm
Each germ layer gives rise to specific structures in the body

Forms the gastrointestinal tract, represented as a tube with holes at both ends
Develops into:
- Lungs, which branch out from the upper gastrointestinal tract
- Liver
- Pancreas, located in the abdomen
- Esophagus, stomach, small intestines, and large intestines

Forms:
- Skin layers (inner layers)
- Muscles and bones, including cardiac muscle
- Kidneys and bladder, located in the abdomen and pelvis
- Ovaries or testes

Forms:
- Outer layer of skin
- Skin-related items such as sweat glands and hair
- Nervous system, which is a surprising derivative of the ectoderm