Photograms of Small Bones and Skulls.

نویسنده

  • E C Driver
چکیده

Science, a weekly journal, is published each Friday by the American Association for the Advancement of Science at The Business Press, Incorporated, N. Queen St. and McGovern Ave., Lancaster, Pa. Founded in 1880, it has been since 1900 the official publication of the AAAS. Editorial and Advertising Offices, 1515 Massachusetts Avenue, N.W., Washington i, D. C. Telephone, EXecutive O000 or 61. Cable address, SCIMAG, Washington, D. C. Entered as secondclass matter at the Post Office at Lancaster, Pa., January 13,

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Morphometric Analysis of Accessory Sutural Bones Association With Parietal Emissary Foramina

Background: The sutural bones and fontanelle of the skull display unique morphological characters. Sutural bones are also called supernumerary bones or ossicles or Wormian bones (WB). These are irregular and develop from the independent ossification centers present along the cranial sutures. They appear on periosteal and endosteal surfaces of the skull with variations in size, number, shape, an...

متن کامل

Anatomical study of the Iranian brown bear’s skull (Ursus arctos): A case report

The Brown bear (Ursusarctos) is a species at risk of extinction. It is considered the largestcarnivore and lives in northern Iran. Several studies on the structure of skullhave been  accomplished in differentanimals. The aim of this study was the inscription of gross anatomicalcharacteristics of skulls of three Iranian adult male brown bears that weretransferred  to the Anatomical Departmentof ...

متن کامل

Unusual presence of Wormian (sutural) bones in human skulls.

Wormian bones are a subset of the small intrasutural bones that lie between the cranial sutures formed by the bones of the skull vault. They are formed due to additional ossification centres in or near sutures. They are usually considered as normal variants and seem to be determined genetically in certain populations. They have been linked with rapid cranial expansion as they appear in great nu...

متن کامل

The Occurrence of Wormian Bones within the Cranial Sutures and Their Clinical Significance

Address for Correspondence: Mr. Vivek Kumar, Tutor, Department of anatomy, Chirayu medical college and hospital, Bhopal, (M P), India. Mobile:07415176681,E-Mail: [email protected] Introduction: The Wormian bones are irregular isolated bones, are not normally present within the cranial sutures. They may or may not be associated with clinical abnormalities. They appear in addition to the usua...

متن کامل

Interparietal and pre-interparietal bones in the population of south coastal Andhra Pradesh, India.

The squamous occipital bone consists of two parts: a cartilaginous supraoccipital part below and a membranous interparietal (IP) part above the highest nuchal line. The IP part develops from two pairs of ossification centres which form the two lateral plates and a median central piece. Any anomalous ossification of these centres gives rise to IP bones. Occasional separate ossified part of the I...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:
  • Science

دوره 107 2783  شماره 

صفحات  -

تاریخ انتشار 1948