DEVBIOL LE2 Exam with correct questions and detailed answers 2026 verified

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DEVBIOL LE2 Exam 2026-2027 with
correct questions and detailed answers 2026
verified


formed between midgut and yolk sac which house
the vitelline blood vessels - ANSWER-vitelline duct


formed when visceral and parietal mesoderm split -
ANSWER-intraembryonic cavity


give rise to sensory vesicles - ANSWER-epidermal
placodes


posterior end part of the digestive tract -
ANSWERproctodaeum

first and most anterior segment of the foregut -
ANSWER-stomodaeum

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give rise to the anterior pituitary gland -
ANSWERrathke's pouch


give rise to the posterior pituitary gland -
ANSWERinfundibulum


forms the brain and spinal cord; CNS and its
associated structures - ANSWER-neural tube


give rise to the ganglia - ANSWER-neural crest
cells


line the thoracic cavity - ANSWER-parietal pleura


line the pericardial cavity - ANSWER-parietal
pericardium

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line the peritoneal cavity - ANSWER-parietal
peritoneum


structure that persists if embryo is male -
ANSWERmesonephric ducts


structure that degenerates if embryo is male -
ANSWER-mullerian ducts


germ layer that mostly gives rise to digestive and
respiratory systems - ANSWER-endoderm


germ layer that mainly gives rise to the nervous and
integumentary systems and sensory structures -
ANSWER-ectoderm


mainly gives rise to the circulatory system -
ANSWER-lateral plate mesoderm

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mainly gives rise to the urogenital system -
ANSWER-intermediate mesoderm


mainly gives rise to components of the skeletal,
muscular, and integumentary system -
ANSWERparaxial mesoderm


gives rise to the notochord - ANSWER-axial
mesoderm


derived from the brim of the neural ectoderm during
neurulation - ANSWER-neural crest cells


indicative of the topographical location and origin
of these embryonic cells - ANSWER-neural crest
cells