Bird Anatomy Quiz

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Questions and Answers

Which bones form the upper jaw of birds?

Median arrow-shaped bone and a pair of cornua
Promaxilla, maxilla, jugal, and quadratojugal (correct)
Articular, angular, supra-angular, dentary, and splenial
Columella (hyomandibular) and sternum

What is the hyoid apparatus and what is it composed of?

The hyoid apparatus is a structure in animals, and in birds, it is comprised of a median arrow-shaped bone and a pair of cornua.

What is the hyoid apparatus in birds?

A bone in the sternum
A median arrow-shaped bone and a pair of cornua (correct)
A bone in the lower jaw
A bone in the upper jaw

What bones form the upper jaw of the skull in birds?

The upper jaw in birds is formed by the promaxilla, maxilla, jugal, and quadratojugal bones, with the premaxillae forming the upper beak. Signup and view all the answers

What is the function of the columella in birds?

To extend between the tympanum and the fenestra ovalis (D) Signup and view all the answers

What is the function of the columella bone in birds?

The columella bone (hyomandibular) extends between the tympanum and the fenestra ovalis and is responsible for transmitting sound vibrations to the inner ear, thereby aiding in hearing. Signup and view all the answers

What is the significance of the sternum in birds?

The sternum is a characteristic bone in birds that serves as a site for attachment of the flight muscles and aids in flight. Signup and view all the answers

What is the abbreviation for the femur bone?

FE (D) Signup and view all the answers

What is the bird's skeletal structure that is characteristic of birds?

The sternum (B) Signup and view all the answers

What bone names and abbreviations are mentioned in the text?

The text mentions various bone names and abbreviations such as FE for femur and DT for dentary. Signup and view all the answers

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Study Notes

The text includes information on the skeletal structure of animals, specifically the skull and hyoid apparatus of birds.
The skull includes various bones such as the maxilla, jugal, quadratojugal, and palatine.
The upper jaw is formed by the promaxilla, maxilla, jugal, and quadratojugal, with the premaxillae forming the upper beak.
The mandible consists of five bones on each side, including the articular, angular, supra-angular, dentary, and splenial.
The hyoid apparatus includes a median arrow-shaped bone and a pair of cornua, which are homologous with the first and second branchial arches of fishes.
The columella (hyomandibular) extends between the tympanum and the fenestra ovalis.
The sternum is characteristic of birds.
The text includes various bone names and abbreviations such as FE for femur and DT for dentary.
The text includes a diagram (Figure 332) of a pigeon skull in dorsal and ventral views.
The text is from a manual of zoology.