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Acetabular Notch
The acetabular notch is a deep notch in the inferior portion of the rim of the acetabulum The acetabulum (; : acetabula), also called the cotyloid cavity, is a wikt:concave, concave surface of the pelvis. The femur head, head of the femur meets with the pelvis at the acetabulum, forming the Hip#Articulation, hip joint. Structure The .... It is bridged by the transverse acetabular ligament, converting it into a foramen (through which nerves and vessels (including the acetabular notch of obturator artery) pass into the hip joint cavity). It is continuous with space of the acetabular fossa. The lunate surface of acetabulum is discontinued opposite the notch. The ligament of the head of the femur attaches at the margins of the notch. The anterior margin of the acetabular notch presents a posterior obturator tubercle onto which the obturator membrane attaches. References Bones of the pelvis {{musculoskeletal-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hip Bone
The hip bone (os coxae, innominate bone, pelvic bone or coxal bone) is a large flat bone, constricted in the center and expanded above and below. In some vertebrates (including humans before puberty) it is composed of three parts: the Ilium (bone), ilium, ischium, and the Pubis (bone), pubis. The two hip bones join at the pubic symphysis and together with the sacrum and coccyx (the pelvic part of the vertebral column, spine) comprise the human skeleton, skeletal component of the pelvis – the pelvic girdle which surrounds the pelvic cavity. They are connected to the sacrum, which is part of the axial skeleton, at the sacroiliac joint. Each hip bone is connected to the corresponding femur (thigh bone) (forming the primary connection between the bones of the lower limb and the axial skeleton) through the large ball and socket joint of the hip joint, hip. Structure The hip bone is formed by three parts: the Ilium (bone), ilium, ischium, and Pubis (bone), pubis. At birth, these thre ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acetabulum
The acetabulum (; : acetabula), also called the cotyloid cavity, is a wikt:concave, concave surface of the pelvis. The femur head, head of the femur meets with the pelvis at the acetabulum, forming the Hip#Articulation, hip joint. Structure There are three bones of the ''os coxae'' (hip bone) that come together to form the ''acetabulum''. Contributing a little more than two-fifths of the structure is the ischium, which provides lower and side boundaries to the acetabulum. The Ilium (bone), ilium forms the upper boundary, providing a little less than two-fifths of the structure of the acetabulum. The rest is formed by the Pubis (bone), pubis, near the midline. It is bounded by a prominent uneven rim, thick and strong on top, which serves as the point of attachment for the acetabular labrum. The acetabular labrum reduces the size of the opening of the acetabulum and deepens the surface of the hip joint. At the lower part of the acetabulum is the acetabular notch, which is continuo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Transverse Acetabular Ligament
The transverse acetabular ligament (transverse ligament or Tunstall's ligament) bridges the acetabular notch, creating the a foramen (through which blood vessels and nerves pass into the joint cavity). The ligament is one of the sites of attachment of the ligament of head of femur. Some sources consider the transverse acetabular ligament as the part of the acetabular labrum The acetabular labrum (glenoidal labrum of the hip joint or cotyloid ligament in older texts) is a fibrocartilaginous ring which surrounds the circumference of the acetabulum of the hip, deepening the acetabulum. The labrum is attached onto the bo ... over the acetabular notch, while another states that the labrum attaches onto the ligament. Additional Images File:Slide2DAD.JPG, Hip joint. Lateral view. Transverse acetabular ligament File:Slide2DADA.JPG, Hip joint. Lateral view. Transverse acetabular ligament References External links * Ligaments of the lower limb {{ligament-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Obturator Artery
The obturator artery is a branch of the internal iliac artery that passes antero-inferiorly (forwards and downwards) on the lateral wall of the pelvis, to the upper part of the obturator foramen, and, escaping from the pelvic cavity through the obturator canal, it divides into an anterior branch and a posterior branch. Structure In the pelvic cavity this vessel is in relation, laterally, with the obturator fascia; medially, with the ureter, ductus deferens, and peritoneum; while a little below it is the obturator nerve. The obturator artery usually arises from the internal iliac artery. Inside the pelvis the obturator artery gives off iliac branches to the iliac fossa, which supply the bone and the Iliacus, and anastomose with the ilio-lumbar artery; a vesical branch, which runs backward to supply the bladder; and a pubic branch, which is given off from the vessel just before it leaves the pelvic cavity. The pubic branch ascends upon the back of the pubis, communicating with ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acetabular Fossa
The acetabular fossa is the non-articular depressed region at the centre of the floor of the acetabulum. It is surrounded by the articular lunate surface. The floor of the fossa is formed mostly by the ischium; it is rough and thin (often to the point of transparency). The space of the fossa is continuous inferiorly with the acetabular notch. The fossa does not contain any cartilage. It is occupied by the ligament of head of femur, and by fibroelastic adipose tissue (within which the acetabular branch of the obturator artery ramifies) that is mostly lined with synovial membrane Synovial () may refer to: * Synovial fluid * Synovial joint A synovial joint, also known as diarthrosis, joins bones or cartilage with a fibrous joint capsule that is continuous with the periosteum of the joined bones, constitutes the outer bou .... The acetabular "fat pad" is thought to contain abundant proprioceptive nerve endings that sense compression of the fat pad or its displacement through the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lunate Surface Of Acetabulum
The lunate surface of acetabulum is the articular surface of the acetabulum which makes contact with the femoral head as part of the hip joint. It forms an incomplete ring that is deficient inferiorly - opposite the acetabular notch. The lunate surface surrounds the central, non-articular depression - the acetabular fossa The acetabular fossa is the non-articular depressed region at the centre of the floor of the acetabulum. It is surrounded by the articular lunate surface. The floor of the fossa is formed mostly by the ischium; it is rough and thin (often to the ... - which does not make contact with the femoral head in the articulated hip joint. Its surface consists of articular cartilage. It is widest (and the cartilage thickest) anterosuperiorly where weight is transmitted from the lower limb in an upright position; it is narrowest at its pubic portion. References {{Authority control Pelvis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ligament Of The Head Of The Femur
The ligament of the head of the femur (round ligament of the femur, foveal ligament, or Fillmore's ligament) is a weak ligament located in the hip joint. It is triangular in shape and somewhat flattened. The ligament is implanted by its apex into the anterosuperior part of the fovea capitis femoris and its base is attached by two bands, one into either side of the acetabular notch, and between these bony attachments it blends with the transverse ligament.''Gray's Anatomy'' (1918), see infobox Anatomy Development Initially, the ligament contains a small artery (the acetabular branch of the obturator artery) which becomes obliterated in late childhood. Variation It is ensheathed by the synovial membrane Synovial () may refer to: * Synovial fluid * Synovial joint A synovial joint, also known as diarthrosis, joins bones or cartilage with a fibrous joint capsule that is continuous with the periosteum of the joined bones, constitutes the outer bou ..., and varies greatly i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Obturator Membrane , i. e., within the margin.
Both obturator muscles are connected with this mem ...
The obturator membrane is a thin fibrous sheet, which almost completely closes the obturator foramen. Its fibers are arranged in interlacing bundles mainly transverse in direction; the uppermost bundle is attached to the obturator tubercles and completes the obturator canal for the passage of the obturator vessels and nerve. The membrane is attached to the sharp margin of the obturator foramen except at its lower lateral angle, where it is fixed to the pelvic surface of the inferior ramus of the ischium The ischium (; : is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
