Information about Iliac Region
For other uses, see Ilion (disambiguation).
| Bone: Ilium of pelvis | ||
|---|---|---|
) | ||
| Overview of Ilium as largest bone of the pelvis. | ||
| Capsule of hip-joint (distended). Posterior aspect. (Ilium labeled at top.) | ||
| Latin | os ilii | |
| subject #57 236 | ||
| MeSH | Ilium | |
| Dorlands/Elsevier | p_10/12623123 | |
The ilium of the pelvis is divisible into two parts, the body and the ala; the separation is indicated on the internal surface by a curved line, the arcuate line, and on the external surface by the margin of the acetabulum. The name comes from the Latin, meaning "groin" or "flank." (Taber's 1985)
Body (corpus oss. ilii)
The body enters into the formation of the acetabulum, of which it forms rather less than two-fifths.Its external surface is partly articular, partly non-articular; the articular segment forms part of the lunate surface of the acetabulum, the non-articular portion contributes to the acetabular fossa.
The internal surface of the body is part of the wall of the lesser pelvis and gives origin to some fibers of the Obturator internus.
Below, it is continuous with the pelvic surfaces of the ischium and pubis, only a faint line indicating the place of union.
Ala (ala oss. ilii)
- Further information: Wing of ilium
See also
Additional images
) Pelvic girdle | ) Male pelvis. | ) Right hip bone. Internal surface. | ) Right hip bone. External surface. (Body of ilium is the top of the blue circle in the center, and the wing of the ilium is the portion above that. Crest of ilium is labeled at top.) |
) Plan of ossification of the hip bone. | Left hip-joint, opened by removing the floor of the acetabulum from within the pelvis. | ) Pelvis (French labels) |
External links
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.Bones of pelvis/pelvic cavity | |
|---|---|
| General | sacrum, coccyx, hip bone |
| Ilium | Arcuate line - Wing - gluteal lines (Posterior, Anterior, Inferior) - Fossa - Tuberosity - Crest - iliac spines (Anterior superior - Anterior inferior - Posterior superior - Posterior inferior) |
| Ischium | Body (Ischial spine, Lesser sciatic notch) - Superior ramus (Tuberosity of the ischium) - Inferior ramus |
| Pubis | Superior ramus (Pubic tubercle, Pubic crest, Obturator crest) - Inferior ramus (Pectineal line) |
| Compound | Obturator foramen - Acetabulum - Acetabular notch - Greater sciatic notch - Iliopectineal eminence - Ischiopubic ramus - Pubic arch - Lesser pelvis (Pelvic inlet, Pelvic brim, Pelvic outlet) - Greater pelvis |
Ilion or Ilium may refer to:
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- Ilion or Ilium, alternative names for the legendary city of Troy
- Ilio, Greece, a suburb of Athens, Greece, also known as Nea Liossia
- Ilion, New York, a village in Herkimer County, New York
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Latin}}}
Official status
Official language of: Vatican City
Used for official purposes, but not spoken in everyday speech
Regulated by: Opus Fundatum Latinitas
Roman Catholic Church
Language codes
ISO 639-1: la
ISO 639-2: lat
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Official status
Official language of: Vatican City
Used for official purposes, but not spoken in everyday speech
Regulated by: Opus Fundatum Latinitas
Roman Catholic Church
Language codes
ISO 639-1: la
ISO 639-2: lat
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Medical Subject Headings (MeSH) is a huge controlled vocabulary (or metadata system) for the purpose of indexing journal articles and books in the life sciences. Created and updated by the United States National Library of Medicine (NLM), it is used by the MEDLINE/PubMed
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Elsevier, the world's largest publisher of medical and scientific literature, forms part of the Reed Elsevier group. Based in Amsterdam, the company has substantial operations in the UK, USA and elsewhere.
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pelvis (pl. pelvises or pelves) is the bony structure located at the base of the spine (properly known as the caudal end). The pelvis incorporates the socket portion of the hip joint for each leg (in bipeds) or hind leg (in quadrupeds).
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acetabulum is a surface of the pelvis. The head of the femur meets with the pelvis at the acetabulum, forming the hip joint.
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Structure
There are three bones of the os coxea (hip bone) that come together to form the acetabulum...... Click the link for more information.
Latin}}}
Official status
Official language of: Vatican City
Used for official purposes, but not spoken in everyday speech
Regulated by: Opus Fundatum Latinitas
Roman Catholic Church
Language codes
ISO 639-1: la
ISO 639-2: lat
..... Click the link for more information.
Official status
Official language of: Vatican City
Used for official purposes, but not spoken in everyday speech
Regulated by: Opus Fundatum Latinitas
Roman Catholic Church
Language codes
ISO 639-1: la
ISO 639-2: lat
..... Click the link for more information.
acetabulum is a surface of the pelvis. The head of the femur meets with the pelvis at the acetabulum, forming the hip joint.
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Structure
There are three bones of the os coxea (hip bone) that come together to form the acetabulum...... Click the link for more information.
The obturator internus muscle originates on the medial surface of the obturator membrane, the ischium near the membrane, and the rim of the pubis.
It exits the pelvic cavity through the lesser sciatic foramen.
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It exits the pelvic cavity through the lesser sciatic foramen.
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The ischium forms the lower and back part of the hip bone. It is situated below the ilium. The word comes from the Greek ischion, meaning "hip." (Taber's, 1985)
It is divisible into three portions:
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It is divisible into three portions:
- Body of ischium
- Superior ramus of the ischium
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Pubis may refer to the following:
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- Pubis (bone)
- Mons pubis, a padding of fat that protects the pubis bone
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The wing of ilium (or ala) is the large expanded portion which bounds the greater pelvis laterally. It presents for examination two surfaces—an external and an internal—a crest, and two borders—an anterior and a posterior.
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The crest of the ilium (or iliac crest) is convex in its general outline but is sinuously curved, being concave inward in front, concave outward behind.
It is thinner at the center than at the extremities, and ends in the anterior and posterior superior iliac spines.
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It is thinner at the center than at the extremities, and ends in the anterior and posterior superior iliac spines.
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The State University of New York Health Science Center at Brooklyn, better known as SUNY Downstate Medical Center, is an academic medical center and is the only one of its kind in the Borough of Brooklyn in New York City.
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Henry Gray's Anatomy of the Human Body (or Gray's Anatomy as it has commonly been shortened) is an English-language human anatomy textbook widely regarded as a classic work on the subject.
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Bones are rigid organs that form part of the endoskeleton of vertebrates. They function to move, support, and protect the various organs of the body, produce red and white blood cells and store minerals.
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pelvis (pl. pelvises or pelves) is the bony structure located at the base of the spine (properly known as the caudal end). The pelvis incorporates the socket portion of the hip joint for each leg (in bipeds) or hind leg (in quadrupeds).
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The pelvic cavity is a body cavity that is bounded by the bones of the pelvis and which primarily contains reproductive organs, the urinary bladder, and the rectum.
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Borders
The boundaries are as follows:- anterior: pubic symphysis
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The sacrum is a large, triangular bone at the base of the spine and at the upper and back part of the pelvic cavity, where it is inserted like a wedge between the two hip bones.
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The coccyx (pronounced kok-siks) (Latin: os coccygis), commonly referred to as the tailbone, is the final segment of the human vertebral column, of four fused vertebrae (the coccygeal vertebrae) below the sacrum.
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The hip bone (or innominate bone) is a large, flattened, irregularly shaped bone, constricted in the center and expanded above and below. It is one of the few ball and socket synovial joints in the body.
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- For other arcuate lines, see arcuate line.
It runs inferior, anterior, and medial.
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The wing of ilium (or ala) is the large expanded portion which bounds the greater pelvis laterally. It presents for examination two surfaces—an external and an internal—a crest, and two borders—an anterior and a posterior.
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The posterior gluteal line (superior curved line), the shortest of the three gluteal lines, begins at the crest, about 5 cm. in front of its posterior extremity; it is at first distinctly marked, but as it passes downward to the upper part of the greater sciatic notch,
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The anterior gluteal line (middle curved line), the longest of the three gluteal lines, begins at the crest, about 4 cm. behind its anterior extremity, and, taking a curved direction downward and backward, ends at the upper part of the greater sciatic notch.
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The inferior gluteal line (inferior curved line), the least distinct of the three gluteal lines, begins in front at the notch on the anterior border, and, curving backward and downward, ends near the middle of the greater sciatic notch.
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The iliac fossa is a large, smooth, concave surface on the internal surface of the ilium (part of the hip bone). The fossa is bounded above by the crest, and below by the arcuate line; in front and behind, by the anterior and posterior borders.
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iliac tuberosity, is elevated and rough, for the attachment of the posterior sacroiliac ligaments and for the origins of the Sacrospinalis and Multifidus.
This article was originally based on an entry from a public domain edition of Gray's Anatomy.
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This article was originally based on an entry from a public domain edition of Gray's Anatomy.
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