An enlargement of the head without enlargement of the facial structures is known as
a. acromegaly. c. craniotabes.
b. craniosynostosis. d. hydrocephalus.
D
Hydrocephalus is an enlargement of the head without enlargement of the facial structures and is caused by an abnormal accumulation of cerebrospinal fluid within the ventricles of the brain.
Acromegaly is an abnormal enlargement of the skull and bony facial structures resulting from an excessive secretion of growth hormone from the pituitary gland. Craniosynostosis is characterized by abnormal shape of the skull or bone growth at right angles to suture lines, exophthalmos, and drooping eyelids. It is caused by premature closure of one or more sutures of the skull in children before brain growth is complete. Craniotabes is a softening of the skull caused by hydrocephalus or demineralization of the bone due to rickets, hypervitaminosis A, or syphilis.
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