| Term | Definition |
|---|
| Dermatome | Migrates toward overlying ectoderm |
| Myotome | Divides into dorsal epimere and ventral hypomere |
| Epimere | Forms deep muscles of the back |
| Hypomere | Form muscles of wall of abdomen and thorax |
| Neurulation | Conversion of neural plate into neural tube |
| Neural canal | Central space surrounded by neural tube |
| Neural canal | Becomes the central canal of spinal cord |
| Occipital | Neurulation proceeds bidirectionally from this area of somites |
| Caudal eminence | Rod-like condensation of mesoderm |
| Gastrulation | When does caudal eminence form? |
| Mesencephalic flexure | Cranial end of neural tube bends at the |
| Prosencephalon | Forebrain |
| Mesencephalon | Midbrain |
| Rhombencephalon | Hindbrain |
| Sclerotome | Migrates to form vertebrae |
| Neural crest cells | Form the calcitonin secreting cells of the thyroid |
| Odontoblasts | Derived from cranial NC cells |
| Dermal bones of skull | Derived from cranial NC cells |
| Pharyngeal arch cartilages | Derived from cranial NC cells |
| Heart septum | Derived from cranial NC cells |
| Eye components | Derived from cranial NC cells |
| Neurons | Derived from spinal NC cells |
| Schwann cells | Derived from spinal NC cells |
| Chromaffin cells | Derived from spinal NC cells |
| Mesenchyme | Embryonic connective tissue |
| Ectomesenchyme | Derived from neural crest |
| Anencephaly | Neurulation defect at cranial neuropore |
| Spina bifida | Open vertebral canal |
| Folic acid | Reduces risk of spina bifida |
| Spina bifida occulta | Incomplete vertebral arch, but meninges are in place |
| Meningocele | Meninges and part of spinal cord bulge through open channel |
| Myelomeningocele | Spinal cord and spinal nerves protrude into bulge through open channel |
Combine with other sets
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