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During birth, fontanelles enable the bony plates of the skull to flex, allowing the child's head to pass through the birth canal. The ossification of the bones of the skull causes the anterior fontanelle to close over by 9 to 18 months. [3] The sphenoidal and posterior fontanelles close during the first few months of life.
The anterior fontanelle (bregmatic fontanelle, frontal fontanelle) is the largest fontanelle, and is placed at the junction of the sagittal suture, coronal suture, and frontal suture; it is lozenge-shaped, and measures about 4 cm in its antero-posterior and 2.5 cm in its transverse diameter.
Early skeletal deformities can arise in infants such as soft, thinned skull bones – a condition known as craniotabes, [15] [16] which is the first sign of rickets; skull bossing may be present and a delayed closure of the fontanelles. Young children may have bowed legs and thickened ankles and wrists; [17] older children may have knock knees ...
The posterior fontanelle (lambdoid fontanelle, occipital fontanelle) is a gap between bones in the human skull (known as fontanelle), triangular in form and situated at the junction of the sagittal suture and lambdoidal suture.
The post 78 Riddles for Adults That Will Test Your Smarts appeared first on Reader's Digest. You'll have to really stretch your brain to figure out some of these easy, funny, and hard riddles for ...
A 75-year-old man with a genetic predisposition for Alzheimer’s has yet to show signs of the disease. Could this offer insights on new preventive and therapeutic avenues?
The parietal bone is usually present in the posterior end of the skull and is near the midline. This bone is part of the skull roof, which is a set of bones that cover the brain, eyes and nostrils. The parietal bones make contact with several other bones in the skull.
5. Borden American Cheese Singles. The truth is, so many of these cheeses taste identical. Borden and Harris Teeter are really similar, both lacking any distinct flavors that make them unique or ...