Sphenoid Fontanelle (Noun)
Meaning
The irregularly shaped area on either side of the cranium where the frontal bone and the anterior tip of the parietal bone and the temporal bone and the greater wing of the sphenoid bone meet; corresponds to the pterion when bones have ossified.
Classification
Nouns denoting body parts.
Examples
- The sphenoid fontanelle in infants often closes by the end of the first year, but its timing may vary depending on factors such as genetics and nutrition.
- The presence of an open sphenoid fontanelle beyond its typical closure age may indicate delayed bone development.
- A doctor examining the infant's cranium may inspect the area of the sphenoid fontanelle for any signs of abnormalities or irregularities.
- Sphenoid fontanelle closure is an essential milestone in an infant's development, and its premature closure may be indicative of craniosynostosis.
- In some cases, the sphenoid fontanelle may remain open for an extended period due to brain growth or other underlying medical conditions.