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At least 487 records · Page 27Linked to original sources
PubMed1994

Early prenatal diagnosis of polycystic pancreas with narrow thorax and short limb dwarfism.

We describe the ultrasound findings of polycystic pancreas with short rib dwarfism in the early second trimester. Radiologic, morphologic, and histologic examination after pregnancy termination confirmed the findings and also disclosed dysplastic kidneys. The skeletal anomalies are similar to those in Verma Naumoff type of short rib polydactyly, but the extraskeletal malformations have never been reported before in this syndrome.

Abnormalities, Multiple↗
PubMed1981

Distribution and specific central projections of mechanoreceptors in the thorax and proximal leg joints of locusts. I. Morphology, location and innervation of internal proprioceptors of pro- and metathorax and their central projections.

The mechanoreceptive supply of ventral thoracic parts and proximal leg joints of the pro- and metathorax of two locust species has been studied with the help of a modification of the axonal infusion technique with cobaltous chloride, which permits staining of the peripheral nervous system of an entire segment. The number, location, and innervation of serially homologous chordotonal organs (CO), strand receptors (SR), multipolar sensilla (MS), hair plates (HP) and clustered campaniform sensilla (CS) are described, as well as population specific central projections of primary afferent fibers from internal receptors (CO, MS). CO projections tend to form intersegmental projections within the thoracic ganglia, the extent varying with the organ's location. Apart from dorso-lateral collaterals, they terminate mainly in the medioventral neuropile, where they also cross the longitudinal midline of the CNS. By contrast, MS projections stay ipsilateral and do not leave their ganglia, where they send collaterals into all levels of the neuropile.

Animals↗
PubMed1981

Distribution and specific central projections of mechanoreceptors in the thorax and proximal leg joints of locusts.

Campaniform sensilla (CS) of the locust proximal leg segments are arranged predominantly as homologous groups on the trochantera and femora. Their number is reduced in the more specialized jumping legs. The specific projections of the primary afferent axons from single groups of CS are visualized after backfilling them with CoCl2 introduced through the dendritic area in the cuticle. The majority of central branching patterns reveal a high degree of uniformity if compared within a population, between populations of one segment, and between populations of different legs. All projections bifurcate close to the peripheral root of the leg nerve and are restricted to the ipsilateral hemiganglion of the segments. These projections seem to differ in their extent more or less from those campaniform sensilla in other parts of the locust and in other insects.

Animals↗
PubMed1995

MRI "road-map" of normal age-related bone marrow. II. Thorax, pelvis and extremities.

We retrospectively reviewed T1-weighted MR images of 381 patients aged from 7 days to 24 years to evaluate the bone marrow change in thoracic wall and shoulder, pelvis and proximal femur and upper and lower extremities. The patients included in the study were without history of bone marrow disease. A grade of from 1 to 4 was assigned to the marrow signal intensity of the examined anatomic segments. The signal intensity of all anatomic segments was as low as or lower than that of muscle in all patients younger than 2 months, reflecting underlying hematopoietic marrow. The first segments to become hyperintense were the epiphyseal/round bone ossification centers, followed by the phalanges, diaphysis, flat bones and metaphysis. Marrow signal intensity increased in all regions with age. While in the epiphysis, round bones and diaphysis bone marrow shows a diffuse and homogeneous increased signal intensity with age, in the sternum, ribs, scapulae, posterior ilium and metaphysis varying percentages of intermediate signal intensity are maintained. An orderly progression of red to yellow marrow was established.

Adolescent↗