My daughter is 3 months old. Her head seems bigger than I thought (but…

My daughter is 3 months old. Her head seems bigger than I thought (but that's just my perception, relatives say it's normal). There are large veins visible under her thin skin from birth. In the last few weeks, I noticed two veins lying in "grooves" on her head from ear to ear (like if someone put a headband on her head). Maybe I didn't notice this before. On the internet, I found information that these areas pass through the carotid suture of the skull. The neurologist didn't pay attention to these sutures and I am very worried. Although the child develops without delays. They said until 1.5 years old, this is considered normal. The only thing is that she