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In the diagnosis and management of sacral tumors, the need to be familiar with the anatomy of the sacrum is no less important than knowledge of the pathological entity involved. This article will provide an overview of the embryology and anatomy of the sacrum, along with concepts as applied to surgical intervention.
2 sie 2024 · Gross anatomy. The sacrum is an irregularly-shaped bone, shaped roughly like an inverted triangle, with its base superior and apex inferior. It is curved with an anterior concavity and posterior convexity.
the lateral sacral mass is the ala of the sacrum. The wing-shaped ala courses in an anterior-inferior direction. It is important to note that the cephalad aspects of the S1 ver-tebral body and ala are not in the same plane. The sloped angle of the ala relative to the cephalad border of the S1 vertebral body is approximately 30° caudally to the ...
30 paź 2023 · Regarded as the keystone of the human body, the sacrum is important because it forms a link between the spine and the iliac bones, and also has an important part to play in hip stability. Sacrum is sexually dimorphic. It is shorter and wider in females than in males.
27 gru 2021 · The sacrum is a large, flat, triangular-shaped, irregular bone, alternatively known as the sacral vertebra or sacral spine. It comprises five fused vertebrae (S1-S5), located at the base of the vertebral column or spine. The bone links the spine with the hip, thus helping in hip stability.
The ala (wing) of sacrum is the fan-shaped, laterally located area on the base of the sacrum. It is the anterosuperior aspect of the lateral part of sacrum, lateral to the articular facet of the base, and its anterior boundary is defined by the anterior border of ala.
The sacrum is a large bone located at the terminal part of the vertebral canal, where it forms the posterior aspect of the pelvis. It is remarkably thick, which aids in supporting and transmitting the weight of the body. [1]
