Fontanel last to close:-
Correct Answer: Anterior
Description: FONTANELLE FORMED BY (BONES) SUTURE CLOSURE ADULT DERIVATIVE Anterior Fontanelle b/w frontal & parietal bones Bregma 1.5 - 2 years( Last to close) Bregma coronal with/withoutSagittal suture Posteriorfontanelle b/w parietal & occipital bones Lambdoid (may have Wormian bones) 2 - 3 months Lambda sagittal suture with lambdoid suture Posterolateral & mastoid fontanelle Parietal, occipital & temporal bones Asterion At 1 year Asterion Anterolateral & sphenoidal fontanelle Greater wing of sphenoidal frontal, parietal &temporal bones Pterion Upto 6 months Pterion (H-shaped) CLINICAL IMPOANCE 1. Fontanelles are sites of skull growth & helps to determine age 2. Anterior fontanelle used to assess intracranial pressure (bulging = |ICT; depressed = |ICP mostly 40 dehydration) 3. Bones override at the fontanelle helping to decrease size of the head during vaginal delivery
Category:
Anatomy
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now