Podcast
Questions and Answers
Which part of the face is mainly formed from the first pharyngeal arch?
Which part of the face is mainly formed from the first pharyngeal arch?
- Frontal bone
- Maxilla (correct)
- Zygomatic bone
- Nasal bone
At what age do facial sutures typically start to fuse in humans?
At what age do facial sutures typically start to fuse in humans?
- Infancy
- Adulthood
- Teenage years
- 7th - 8th decades (correct)
Which process of the first pharyngeal arch gives rise to the mandible?
Which process of the first pharyngeal arch gives rise to the mandible?
- Hyoid process
- Maxillary process
- Mandibular process (correct)
- Frontonasal process
What bones form the viscero-cranium that consists of the face?
What bones form the viscero-cranium that consists of the face?
During which stage of life does the eruption of primary dentition enlarge the facial skeleton?
During which stage of life does the eruption of primary dentition enlarge the facial skeleton?
Which part of the skull undergoes two different forms of ossification, endochondral and intramembranous?
Which part of the skull undergoes two different forms of ossification, endochondral and intramembranous?
What is the significance of the region just dorsal to the second pharyngeal cleft?
What is the significance of the region just dorsal to the second pharyngeal cleft?
Which genes are crucial during the development of the first pharyngeal arch?
Which genes are crucial during the development of the first pharyngeal arch?
What signaling pathway is responsible for driving the patterning of the mandible?
What signaling pathway is responsible for driving the patterning of the mandible?
Which gene activity is the first pharyngeal arch devoid of?
Which gene activity is the first pharyngeal arch devoid of?
What determines the identity of the cranial neural crest that migrates to form the 1st pharyngeal arch?
What determines the identity of the cranial neural crest that migrates to form the 1st pharyngeal arch?
Which pharyngeal cleft is just dorsal to the developing inner ear?
Which pharyngeal cleft is just dorsal to the developing inner ear?
Which signaling pathways control facial formation?
Which signaling pathways control facial formation?
What shifts in blood supply occur during facial development?
What shifts in blood supply occur during facial development?
Which nerve supplies the mucosa of the posterior third of the tongue?
Which nerve supplies the mucosa of the posterior third of the tongue?
Which embryonic period category includes genetically determined developmental defects?
Which embryonic period category includes genetically determined developmental defects?
What is necessary for fusion of the palatine shelves to occur?
What is necessary for fusion of the palatine shelves to occur?
What happens as the two palatine shelves meet during fusion?
What happens as the two palatine shelves meet during fusion?
What causes surface epithelial cells to be sloughed off during palate fusion?
What causes surface epithelial cells to be sloughed off during palate fusion?
What happens to the midline seam to permit ectomesenchymal continuity between fused processes?
What happens to the midline seam to permit ectomesenchymal continuity between fused processes?
What does Meckel's cartilage develop into in the inner ear?
What does Meckel's cartilage develop into in the inner ear?
Which secondary cartilage mainly occupies the developing ramus of the mandible?
Which secondary cartilage mainly occupies the developing ramus of the mandible?
At what stage does intramembranous ossification begin in the mandible?
At what stage does intramembranous ossification begin in the mandible?
What contributes considerably to the development of the maxilla for a short period of time?
What contributes considerably to the development of the maxilla for a short period of time?
Which nerve division is closely associated with the center of ossification in both the mandible and maxilla?
Which nerve division is closely associated with the center of ossification in both the mandible and maxilla?
Which structure is entirely independent of the Meckel's cartilage in contributing to jaw development?
Which structure is entirely independent of the Meckel's cartilage in contributing to jaw development?
