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The lines are believed to trace the migration of embryonic cells. [4] They do not correspond to nervous, muscular, or lymphatic systems. The lines are not unique to humans and can be observed in other non-human animals with mosaicism. [9] [10] Alfred Blaschko is credited with the first demonstration of these lines in 1901. [11]
An X ray demonstrating the characteristic finding of lead poisoning in humans—dense metaphyseal lines. Because of their rich blood supply and vascular stasis, metaphyses of long bones are prone to hematogenous spread of osteomyelitis in children. [4]
An X-ray demonstrating the characteristic finding of lead poisoning in humans—dense metaphyseal lines: Specialty: Toxicology: Symptoms: Intellectual disability, abdominal pain, constipation, headaches, irritability, memory problems, inability to have children, tingling in the hands and feet [1] [2] Complications: Anemia, seizures, coma [1] [2 ...
The nasolabial folds, commonly known as "smile lines" [1] or "laugh lines", [2] [self-published source] are facial features. They are the two skin folds that run from each side of the nose to the corners of the mouth. They are defined by facial structures that support the buccal fat pad. [3] They separate the cheeks from the upper lip.
The epiphyseal plate, epiphysial plate, physis, or growth plate is a hyaline cartilage plate in the metaphysis at each end of a long bone.It is the part of a long bone where new bone growth takes place; that is, the whole bone is alive, with maintenance remodeling throughout its existing bone tissue, but the growth plate is the place where the long bone grows longer (adds length).
Metaphyseal broadening, irregularity and metaphyseal line of ossification. These abnormalities that are typically encountered in proximal humerus and around the knees are collectively known as "rachitic-like changes". Radiographic lesions of the appendicular skeleton are typically bilateral and symmetric.
The facial skeleton comprises the facial bones that may attach to build a portion of the skull. [1] The remainder of the skull is the neurocranium.. In human anatomy and development, the facial skeleton is sometimes called the membranous viscerocranium, which comprises the mandible and dermatocranial elements that are not part of the braincase.
Metaphyseal dysplasia, or Pyle disease, [3] is a disorder of the bones. It is a rare disease in which the outer part of the shafts of long bones is thinner than normal and there is an increased chance of fractures .