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  2. Dermal bone - Wikipedia

    en.wikipedia.org/wiki/Dermal_bone

    The function of some dermal bone is conserved throughout vertebrates, although there is variation in shape and in the number of bones in the skull roof and postcranial structures. In bony fish, dermal bone is found in the fin rays and scales. A special example of dermal bone is the clavicle. Some of the dermal bone functions regard ...

  3. Skull roof - Wikipedia

    en.wikipedia.org/wiki/Skull_roof

    The full complement of bones of the tetrapod skull roof, as seen in the temnospondyl Xenotosuchus. The skull roof or the roofing bones of the skull are a set of bones covering the brain, eyes and nostrils in bony fishes and all land-living vertebrates. The bones are derived from dermal bone and are part of the dermatocranium.

  4. Facial skeleton - Wikipedia

    en.wikipedia.org/wiki/Facial_skeleton

    The facial skeleton comprises the facial bones that may attach to build a portion of the skull. [1] The remainder of the skull is the neurocranium.. In human anatomy and development, the facial skeleton is sometimes called the membranous viscerocranium, which comprises the mandible and dermatocranial elements that are not part of the braincase.

  5. Dermatocranium - Wikipedia

    en.wikipedia.org/wiki/Dermatocranium

    The dermatocranium is the portion of the cranium that is composed of dermal bone, as opposed to the endocranium and splanchnocranium, which are composed of endochondral bone. The dermatocranium comprises the skull roof, the facial skeleton (usually excluding the dentary), and—in fishes—the opercular bones. [1]

  6. Osteoderm - Wikipedia

    en.wikipedia.org/wiki/Osteoderm

    Osteoderms are composed of bone tissue, and are derived from a scleroblast neural crest cell population during embryonic development of the organism. The scleroblastic neural crest cell population shares some homologous characteristics associated with the dermis . [ 4 ]

  7. Interparietal bone - Wikipedia

    en.wikipedia.org/wiki/Interparietal_bone

    An interparietal bone ... is a dermal bone situated between the parietal and supraoccipital. It is homologous to the postparietal bones of other animals. In humans, ...

  8. Magnesium is an electrolyte that boosts energy and bone health and supports neurological, cardiovascular and gastrointestinal functions, according to doctors.

  9. List of bones of the human skeleton - Wikipedia

    en.wikipedia.org/wiki/List_of_bones_of_the_human...

    It is composed of 270 bones at the time of birth, [2] but later decreases to 206: 80 bones in the axial skeleton and 126 bones in the appendicular skeleton. 172 of 206 bones are part of a pair and the remaining 34 are unpaired. [3] Many small accessory bones, such as sesamoid bones, are not included in this.