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sacrum    
n. 荐骨,骶骨

荐骨,□骨

sacrum
n 1: wedge-shaped bone consisting of five fused vertebrae
forming the posterior part of the pelvis; its base connects
with the lowest lumbar vertebra and its tip with the coccyx

Sacrum \Sa"crum\, n.; pl. {sacra}. [NL., fr. L. sacer sacred, os
sacrum the lowest bone of the spine.] (Anat.)
That part of the vertebral column which is directly connected
with, or forms a part of, the pelvis.
[1913 Webster]

Note: It may consist of a single vertebra or of several more
or less consolidated. In man it forms the dorsal, or
posterior, wall of the pelvis, and consists of five
united vertebrae, which diminish in size very rapidly
to the posterior extremity, which bears the coccyx.
[1913 Webster]


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  • Sacrum - Wikipedia
    The sacrum is a complex structure providing support for the spine and accommodation for the spinal nerves It also articulates with the hip bones The sacrum has a base, an apex, and three surfaces – a pelvic, dorsal and a lateral surface The base of the sacrum, which is broad and expanded, is directed upward and forward On either side of the base is a large projection known as an ala of
  • Sacrum Anatomy: Structure, Surfaces, Muscles, and Clinical Notes for . . .
    The sacrum is a large, triangular bone at the terminal end of the vertebral column It forms the posterior wall of the pelvis and plays a key role in weight transmission from the axial skeleton to the pelvic girdle and lower limbs This article reviews the anatomy of the sacrum, including bony landmarks, articulations, muscular attachments, neurovascular relations, and clinical relevance
  • Sacrum: Anatomy, Function, and Associated Conditions
    The sacrum is a fusion of five vertebrae that holds the pelvis and spinal column together It is important for motion, strength, and balance Learn more about it and conditions that can affect it
  • Sacrum Anatomy: Understanding Your Lower Spine
    Explore sacrum anatomy and learn about its role in your lower spine Discover how this triangular bone supports the pelvis, connects to the spine, and impacts movement and stability
  • What Is the Sacrum in the Body and What Does It Do?
    The sacrum is a large, triangular bone situated at the base of the vertebral column It is the final segment of the spine, positioned just above the coccyx, or tailbone This bone is a foundational component of the posterior pelvis, serving as a robust link between the spine and the lower half of the body Anatomy and Position in the Pelvis The sacrum is not a single bone from birth but forms
  • Sacrum: Anatomy and clinical aspects | Kenhub
    The sacrum is an irregularly shaped bone, made up of a group of five fused vertebrae in the area of what is commonly known as the base of the spine 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
  • The Sacrum: Anatomy, Back Pain, Function, and . . . - HealthCentral
    The sacrum is at the bottom of the spine The lumbosacral joint commonly causes back pain Learn more
  • The Sacrum Bone: Anatomy and 3D Illustrations - Innerbody
    The sacrum tapers to a point at its inferior end, where it forms the fibrocartilaginous sacrococcygeal joint with the tiny coccyx (tail bone) On the left and right lateral sides the sacrum forms the sacroiliac joints with the ilium of the hip bones to form the rigid pelvis
  • Sacrum | Cedars-Sinai
    The sacrum is the triangular bone just below the lumbar vertebrae The sacrum has five segments fused together into one large bone In the months before birth, these vertebrae grow together into one bone that forms the base of the spine and the center of the pelvis This triangular bone fits between the two halves of the pelvis, connecting the spine to the lower half of the body Nerves that





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