Meckel’s Cartilage

Meckel’s Cartilage

“What is Meckel’s cartilage? A detailed question and answers guide”

Question 1. Meckel’s cartilage
Answer:

Meckel’s Cartilage:-

Around the 41st – 45th day of IU life n First structure to be formed is the trigeminal nerve
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Mesenchymal condensation occurs
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Activation of neurotrophic factors
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Induction osteogenesis
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Ossification occurs
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It starts from the bifurcation of the inferior alveolar nerve in 6th week of IU life
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Ossification spreads below and around the nerve
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Intramembranous ossification spreads dorsally and ventrally
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Results in the formation of the body and ramus of the mandible
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Ossification stops at the site which forms lingula
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Remaining Meckel’s cartilage which does not undergoes ossification, forms the following

Meckel’s cartilage derivatives

“Understanding Meckel’s cartilage through FAQs: Composition, functions, and uses explained”

1. Mental ossicles
2. Incus and Malleus
3. Spine of Sphenoid
4. Anterior ligament of malleus
5. Spheno mandibular ligament

First pharyngeal arch Meckel’s cartilage

Question 2. Development of tongue.
Answer

“Importance of studying Meckel’s cartilage for medical students: Questions explained”

• Tuberculum impairs and lingual swellings are derived from the P’branchial arch.
• Hypobranchial eminence is derived from the 3HbranchiaI arch.
• Thus, branchial arches involved are
  • 1 branchial arch
  • 2 branchial arch
  • 4 branchial arch.

“Factors influencing success with Meckel’s cartilage studies: Q&A”