![](/drem/stage21/labels2/S191L.gif)
![C-5 / C-6 intervertebral disc, C-6 spinal nerve, C-7 spinal ganglion, central canal, clavicle, esophagus, inferior parathyroid gland, intermediate zone, internal jugular vein, isthmus of thyroid gland, marginal zone, nasal capsule cartilage condensation, nasal cavity (nasal sac), nasal septal cartilage, oral cavity, oral fissure, pharyngeal arch 1 cartilage (Meckel), primary palate, vagus nerve (CN X), ventricular zone](/drem/stage21/Z0/S191N.jpg)
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Carnegie Embryo #4090 | Location: 13-7
Keywords: C-5 / C-6 intervertebral disc, C-6 spinal nerve, C-7 spinal ganglion, central canal, clavicle, esophagus, inferior parathyroid gland, intermediate zone, internal jugular vein, isthmus of thyroid gland, marginal zone, nasal capsule cartilage condensation, nasal cavity (nasal sac), nasal septal cartilage, oral cavity, oral fissure, pharyngeal arch 1 cartilage (Meckel), primary palate, vagus nerve (CN X), ventricular zone
Source: The Virtual Human Embryo.