All members have chloroplasts and a theca, which is composed of two large plates joined by a sagittal suture.
12.
The infant's skull consists of the metopic suture, coronal sutures, sagittal suture, and lambdoid sutures.
13.
What is the problem with scaphocephaly, i . e . why would it potentially be important to separate an infantile closed sagittal suture?
14.
If the sagittal suture closes early the skull becomes long, narrow, and wedge-shaped, a condition called " scaphocephaly ".
15.
Premature fusion of the suture at the top of the head ( sagittal suture ) forces the head to grow long and narrow, rather than wide.
16.
The Peridiniales are probably monophyletic, with the Dinophysiales and Prorocentrales as close relatives, united by the presence of a sagittal suture dividing the theca in two.
17.
The sagittal suture divides the coronal suture in two halves; unilateral meaning that either the right side or the left side to the sagittal suture is fused.
18.
The sagittal suture divides the coronal suture in two halves; unilateral meaning that either the right side or the left side to the sagittal suture is fused.
19.
In newborn human babies, the " soft spot " where the coronal and sagittal sutures meet ( known as the fontanelle ) becomes the bregma when this gap closes.
20.
In the nonsyndromic cases, a positive family history is found in 2 % of the cases with sagittal suture closure and in 6 to 11 % of the cases with coronal suture closure.