11 Questions
What is the term for the process during which complex interactions occur in an orderly sequence to develop the shape, size, or features of a particular organ or part of the body?
Morphogenesis
Which structure induces the development of the lens from the surface ectoderm of the head?
Optic vesicle
What gives rise to the axial part of the skeleton and associated musculature?
Somites
What occurs when the neural folds in the cranial end have thickened to form the primordium of the brain?
Formation of limb buds
Which structure indicates the site of the kidneys during the fifth week of development?
Mesonephric ridges
At what week does eye movement begin in the fetus?
14 weeks
Which period marks the ossification of the fetal skeleton?
Thirteenth to Sixteenth Weeks
During which week does the uterus start to form in the developing fetus?
21 weeks
When do limb buds start to develop in the fetus?
Fourth to Eighth Weeks
During which period do the ears move closer to their final position?
Seventeen to Twenty Weeks
At what weight range are neonatal losses most common?
2500 gm or less
Learn about the development of blood vessels and chorionic villi during the third week of embryology. Understand the differentiation of mesenchymal cells into angioblasts, the formation of blood islands, and the sprouting and fusion of blood vessels.
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