منابع مشابه
Microstructured barbs on the North American porcupine quill enable easy tissue penetration and difficult removal.
North American porcupines are well known for their specialized hairs, or quills that feature microscopic backward-facing deployable barbs that are used in self-defense. Herein we show that the natural quill's geometry enables easy penetration and high tissue adhesion where the barbs specifically contribute to adhesion and unexpectedly, dramatically reduce the force required to penetrate tissue....
متن کاملMesenchymal Chondrosarcoma: A Report of Two Cases with Immunohistochemical Study
Mesenchymal chondrosarcoma (MC) is an uncommon tumor with an aggressive behaviour. We present two cases of MC. The first one is a unique case of MC of the maxilla metastasized from the clavicle. The second describes MC in the mandible with extensive involvement of the condyle. A 31-year-old male and a 22-year-old male presented to Saveetha Dental College, with a 2-month history of progressiv...
متن کاملClinical Notes of Two Cases of Injuries to the Head
(By kind permission of Surgeon-Major Albert A. Gore, M. D.) Case 1.?Pte. G., 1st B. E. L. Regt., ast. 30, was brought to hospital on the 25th December 1881, about 8-30 P. M., having been struck on the head by a sharp-edged iron bar, which made him unconscious. I was sent for, found a long, gaping, incised wound of the scalp, to the left of the median line of the head, extending from the lambdoi...
متن کاملTwo cases of pseudoxanthoma elasticum with renal involvement
Abstract Pseudoxanthoma elasticum is a rare, hereditary, multisystemic disease affecting the skin, eye, and cardiovascular system. Renal involvement is uncommon. We describe two cases of pseudoxanthoma elasticum (PXE) in two women with distinctive skin lesions and nephrocalcinosis that renal ultrasonography showed a characteristic pattern of dotted increased echogenicity in the cort...
متن کاملOstegogenic Sarcoma with Epithelial Differentiation (Carcinosarcoma): Report of Two Cases
Epitheloid osteosarcoma (carcinosarcoma) of the bone is a rare malignant tumor and only a few cases have been reported in the literature. In this study, we report two cases of osseous carcinosarcoma (epitheloid osteosarcoma) with immunohistochemical studies. The morphological and immunohistochemical data in these two cases support the theory of divergent differentiation of primitive, uncommitt...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Emergency Medicine Case Reports
سال: 2017
ISSN: 2149-9934
DOI: 10.5152/jemcr.2016.1786