Q1. ) Premature closure of metopic sutures lead to
A 1) a
Metopic suture is a type of calvarial suture associated with frontal sinus agenesis.
Trigonocephaly means- a congenital condition of premature fusion of the metopic suture (from Greek metopon, "forehead"), leading to a triangular shaped forehead. The merging of the two frontal bones leads to transverse growth restriction and parallel growth expansion.
Scaphocephaly is a type of cephalic disorder which occurs when there is a premature fusion of the sagittal suture.
Brachycephaly is a condition found in babies and infants which is characterised by a flattened area at the back of the skull.
Dolichocephaly is a condition where the head is longer than would be expected, relative to its width. In humans, scaphocephaly is a form of dolichocephaly.