SACRUM

Question 1

Is a composite bone formed from the fusion of five vertebrae.

Is concave anteriorly and forms the posterior border of pelvis.

Answer 1

Sacrum

Question 2

Is a remnant of the spinous process of the fused vertebrae.

Answer 2

Median Sacral Crest

Question 3

The vertebral canal continues inside the sacrum as the [ ] and terminates near the coccyx via an enlarged opening called the [. ].

Answer 3

Sacral Canal & Sacral Hiatus

Question 4

Parts of Sacrum

Answer 4

BSSSLASC

Question 5

Is made up of five fused bodies.

Answer 5

Body of Sacrum

Question 6

Is the prominent upper anterior edge of the sacrum and is important anatomical landmark for obstetricians.

Answer 6

Sacral Promontory

Question 7

Is a passage that extends from top to bottom of the sacrum.

Answer 7

Sacral Canal

Question 8

Are 16 openings, eight in front and eight posteriorly which the sacral nerves leave the spinal cord through these openings.

Answer 8

Sacral Foramen

Question 9

Are those parts of the sacrum lateral to the foramina that corresponds to a fused transverse processes.

Answer 9

Lateral Masses

Question 10

Are the wing-like upper parts of the lateral masses on each side that extend laterally from the 1st sacral segment.

Answer 10

Ala/Alae /Wing

Question 11

Are 2 processes which extends up from the posterior part of the upper sacrum to form the joint with the 5th lumbar body.

Answer 11

Superior Articular Processes of Sacrum

Question 12

Are two small projections that extend down from the lower sacrum.

Answer 12

Cornua/Cornu

Question 13

Diminishes in size from its base inferiorly to its apex. From its articulation with the Sacrum, it curves inferiorly and anteriorly.

Answer 13

Coccyx

Question 14

Extends up from the posterior border of coccyx.

Answer 14

Cornua (Horns) of Coccyx