The pelvic girdle of birds is attached to a complex structure formed by the fusion of last thoracic, all lumbar and first five caudal vertebrae. This structure is called as

Synsacrum

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Symphysis

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Synkaryon

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Sympelvis

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Solution

The correct option is A Synsacrum
The synsacrum is a skeletal structure of birds in which the sacrum is extended by the addition of fused caudal or lumbar vertebrae. It is a dorsal ridge of bone in the pelvic region of birds. It is formed by the fusion of 14-16 vertebrae. It provides support for the movement of wings and legs.
Thus, the correct answer is option A.

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Similar questions

Q. The structure formed by fusion of few vertebrae in birds is

A triangular plate formed of the fused caudal vertebrae of birds is called as

The cervical and the lumbar vertebrae form an outward curve, which is called (i)_______, while the thoracic and sacral vertebrae form an inward curve called (ii)_______.

The cervical as well as the lumbar vertebrae form an outward curve, which is called ------------, while the thoracic and sacral vertebrae form an inward curve called -------------.

Q. Select the incorrect match.

	Type of vertebrae	No. of vertebrae
(i)	Cervical vertebrae	7
(ii)	Thoracic vertebrae	12
(iii)	Lumbar vertebrae	4
(iv)	Sacral vertebrae	5
(v)	Caudal vertebrae	5

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