Embryological Derivatives (U World) Flashcards
Where is the Anterior Pituitary derived from?
Surface ectoderm (Rathke’s pouch)
Where is the lens and cornea of the eye derived from?
surface ectoderm
Where are the inner ear sensory organs and olfactory epithelium derived from?
surface ectoderm
Where are the nasal and oral epithelial linings and salivary glands derived from?
surface ectoderm
Where are the epidermis and sweat and mammary glands derived from?
surface ectoderm
Where are the brain and spinal cord derived from?
neural tube ectoderm
Where are the posterior pituitary and pineal gland derived from?
neural tube ectoderm
Where is the retina derived from?
neural tube ectoderm
Where are the neural ganglia and adrenal medulla derived from?
neural crest cells
Where are the Schwann cells, pia, and arachnoid matter derived from?
neural crest cells
Where are the aorticopulmonary septum and endocardial cushions derived from?
neural crest cells
Where are the bones and cartilage of the branchial arches derived from?
neural crest cells
Where are the skull bones derived from?
neural crest cells
Where are melanocytes derived from?
neural crest cells
Where is skeletal, cardiac, and smooth muscle derived from?
mesoderm
Where is connective tissue, bone, and cartilage derived from?
mesoderm
Where are serosal linings (eg, peritoneum) derived from?
mesoderm
Where is the cardiovascular system and the lymphatic system derived from?
mesoderm
Where is the spleen and hematopoietic cells derived from?
mesoderm
Where are the kidneys, ureters, and internal genitalia derived from?
mesoderm
Where is the adrenal cortex derived from?
mesoderm
Where are the GI tract, liver, and pancreas derived from?
endoderm
Where are the lungs derived from?
endoderm
Where are the thymus, parathyroids, and thyroid follicular glands derived from?
endoderm
