WebFeb 10, 2015 · Lumbar vertebrae: Numbered L1 through L5, these odd-shaped vertebrae signal the end of the typical bones of the spinal column. Sacrum : This triangle-shaped bone is made up of five fused vertebrae. WebApr 23, 2024 · The anterior triangle is the triangular area of the neck found anteriorly to the sternocleidomastoid muscle. It is formed by the anterior border of sternocleidomastoid laterally, the median line of the neck …
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WebYour lumbar spine consists of the five bones (vertebra) in your lower back. Your lumbar vertebrae, known as L1 to L5, are the largest of your entire spine. Your lumbar spine is … WebDec 28, 2024 · The body of pubic bone has three surfaces that include: anterior (external), posterior (internal) and medial (symphyseal) surfaces. The surfaces are confluent, except at the pubic crest (located … leif eliasson västervik
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WebJan 30, 2024 · The suboccipital muscles are a group of four muscles situated underneath the occipital bone. All the muscles in this group are innervated by the suboccipital nerve. They are located within the … WebJan 24, 2024 · The sacrum is a single bone comprised of five separate vertebrae. It is shaped like an upside-down triangle and sits at the bottom of the spinal column, … WebSep 20, 2024 · Significance. When the nasal bone is absent at 11 to 12 weeks, while the other ultrasound markers and serum biochemistry are normal; a follow-up scan after a week is suggested. The incidence of an absent nasal bone is related to nuchal translucency (NT), crown-rump length (CRL) , and ethnic origin, as well as aneuploidy. leifheit alustar