Question

fontanelle are in an infant.
multiple choice
34
spaces between the unfused cranial bones
fibrous connective tissues lining the orbits
fibrous connective tissues lining paranasal sinuses
fibrous connective tissues lining the cranial cavity
cartilages covering cranial bones

Explanation:

Fontanelles are areas of fibrous membrane between the bones of an infant's skull. They are spaces between the unfused cranial bones. The other options describe different anatomical structures that are not related to fontanelles. Fibrous connective tissues lining the orbits, paranasal sinuses, or cranial cavity are not fontanelles. Cartilages covering cranial bones are also not the correct description for fontanelles.

Answer:

spaces between the unfused cranial bones