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?
At what age do facial sutures typically start to fuse in humans?
At what age do facial sutures typically start to fuse in humans?
Which process of the first pharyngeal arch gives rise to the mandible?
Which process of the first pharyngeal arch gives rise to the mandible?
What bones form the viscero-cranium that consists of the face?
What bones form the viscero-cranium that consists of the face?
Signup and view all the answers
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?
Signup and view all the answers
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?
Signup and view all the answers
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?
Signup and view all the answers
Which genes are crucial during the development of the first pharyngeal arch?
Which genes are crucial during the development of the first pharyngeal arch?
Signup and view all the answers
What signaling pathway is responsible for driving the patterning of the mandible?
What signaling pathway is responsible for driving the patterning of the mandible?
Signup and view all the answers
Which gene activity is the first pharyngeal arch devoid of?
Which gene activity is the first pharyngeal arch devoid of?
Signup and view all the answers
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?
Signup and view all the answers
Which pharyngeal cleft is just dorsal to the developing inner ear?
Which pharyngeal cleft is just dorsal to the developing inner ear?
Signup and view all the answers
Which signaling pathways control facial formation?
Which signaling pathways control facial formation?
Signup and view all the answers
What shifts in blood supply occur during facial development?
What shifts in blood supply occur during facial development?
Signup and view all the answers
Which nerve supplies the mucosa of the posterior third of the tongue?
Which nerve supplies the mucosa of the posterior third of the tongue?
Signup and view all the answers
Which embryonic period category includes genetically determined developmental defects?
Which embryonic period category includes genetically determined developmental defects?
Signup and view all the answers
What is necessary for fusion of the palatine shelves to occur?
What is necessary for fusion of the palatine shelves to occur?
Signup and view all the answers
What happens as the two palatine shelves meet during fusion?
What happens as the two palatine shelves meet during fusion?
Signup and view all the answers
What causes surface epithelial cells to be sloughed off during palate fusion?
What causes surface epithelial cells to be sloughed off during palate fusion?
Signup and view all the answers
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?
Signup and view all the answers
What does Meckel's cartilage develop into in the inner ear?
What does Meckel's cartilage develop into in the inner ear?
Signup and view all the answers
Which secondary cartilage mainly occupies the developing ramus of the mandible?
Which secondary cartilage mainly occupies the developing ramus of the mandible?
Signup and view all the answers
At what stage does intramembranous ossification begin in the mandible?
At what stage does intramembranous ossification begin in the mandible?
Signup and view all the answers
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?
Signup and view all the answers
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?
Signup and view all the answers
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?
Signup and view all the answers