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  • Which of the following is/are made up of a single bone in mammalsOption: 1 DentaryO

Which of the following is/are made up of a single bone in mammals

Option: 1

Dentary


Option: 2

Hyoid 


Option: 3

Upper jaw


Option: 4

All of the above


Answers (1)

best_answer

 

 

The Skull: Facial Bones -

Hyoid Bone:

  • The hyoid bone is situ­ated in the wall of the upper part of the throat, just above the larynx. 
  • Although it is not a bone of the skull proper, it is customarily considered with that portion of the skeleton. 
  • It serves as a point of attachment for some of the muscles of the tongue and floor of the mouth but does not articulate with any other bones.

Facial Bones:

  • There are 14 bones which form the skeleton of the face; 
    • 2 zygomatic bones, 
    • 2 maxilla, 
    • 2 nasal bones, 
    • 2 lacrimal bones, 
    • 1 vomer, 
    • 2 palatine bones, 
    • 2 inferior nasal conchae or turbinated bones 
    • 1 mandible (dentary)

 

Dentary, hyoid and upper jaw are made up of single bone in mammals. Hence the correct option is d. all of the above 

Posted by

Irshad Anwar

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