Spina bifida (also called meningocele or myelomeningocele) is a defect that comes from a problem in the very early development of the unborn child.    From Wordnik.com.  [1) Head Control and Use of Senses] Reference

Gives rise to a hernia of the meninges, which, if accompanied by cerebrospinal fluid in any quantity, causes a large and peculiarly shaped tumor called meningocele (Fig. 96).    From Wordnik.com.  [Anomalies and Curiosities of Medicine] Reference

A meningocele, as it contains no nerve elements, may be translucent.    From Wordnik.com.  [Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition.] Reference

It is, however, often difficult to distinguish between a meningocele and meningo-myelocele.    From Wordnik.com.  [Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition.] Reference

If placed over one of the fontanelles, a nævus may derive pulsation from the brain, and so simulate a meningocele.    From Wordnik.com.  [Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition.] Reference

A meningocele may be tapped with a fine needle passed through healthy skin, and the empty sac compressed by a pad of wool and an elastic bandage.    From Wordnik.com.  [Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition.] Reference

As it frequently lies in a gap in the skull, it may be connected by a pedicle with the dura mater, and is liable to be mistaken for a meningocele.    From Wordnik.com.  [Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition.] Reference

A less common situation is the anterior part of the orbit, near the nasal wall, and this variety, from its position and from the fact that it is usually met with in children, is liable to be confused with orbital meningocele or encephalocele.    From Wordnik.com.  [Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition.] Reference

Occasionally a deficiency in the osseous material of the cranium or an abnormal dilatation of the fontanelles gives rise to a hernia of the meninges, which, if accompanied by cerebrospinal fluid in any quantity, causes a large and peculiarly shaped tumor called meningocele.    From Wordnik.com.  [Anomalies and Curiosities of Medicine] Reference

The guess may be hazarded that cephalhematoma, hydrocephalus, meningocele, nevi, or an excessive amount of vernix caseosa were the conditions indicated, but a wider acquaintance with the meaning of the cuneiform characters is necessary before any certain identification is possible.    From Wordnik.com.  [Anomalies and Curiosities of Medicine] Reference