File:A text-book of clinical anatomy - for students and practitioners (1907) (14593616100).jpg

Identifier: textbookofclinic00eise (find matches)
Title: A text-book of clinical anatomy : for students and practitioners
Year: 1907 (1900s)
Authors: Eisendrath, Daniel N. (Daniel Nathan), b. 1867
Subjects: Human anatomy Anatomy
Publisher: Philadelphia London : W.B. Saunders Company
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

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arantic, badly-cared-forchildren, or, in general, when care is not taken to remove this accumu-lation frequently. In patients taking mercury a most violent stomatitismay occur as the result of a neglect of this detail. It is due, no doubt,to the fact that a small amount of certain metallic substances, likelead, mercury, and phosphorus, are excreted through the gums and aredeposited at their edges. This explains the so-called black line at thejunction of the gums and the teeth, in lead-poisoning, and also the exten-sive destruction of the alveolar processes in phosphorus-necrosis, causedby the inhalation of phosphorus-fumes. The teeth are: the temporary or milk teeth, which appear in infantsat the age of seven months, and begin to be replaced by the permanentteeth at the age of seven years. The order of eruption of these milk ordeciduous teeth should be borne in mind: The middle incisors, sixth to eighth month. Lateral, eighth to twelfth month. First molars, twelfth to sixteenth month.
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Fig. 25.—Sagittal section of childs body (Riidinger). 1, Cartilaginous portionof septum; behind it the bony portion is seen. (Vomer and rostrum of sphenoid.) 2,Thyroid gland, showing relatively large size of same in child. 3, Thymus gland, showinghow an enlarged thymus may cause pressure upon the trachea and vessels at lower portionof neck. 4, Tongue in sagittal section, showing how paralysis of muscles at base of tonguewill cause this organ to fall back upon the epiglottis lying immediately behind it and thuscause cyanosis during anesthesia by closure of the glottis. 5, Nasopharynx. 6, Liver,showing relations of this organ to diaphragm and pericardium above it, and transversecolon and duodenum below it. 7, Ampulla of rectum, below which the rectum narrowsto form the anal portion of the rectum. 8, Bladder and urethra. It will be noted thatin the child the greater portions of the rectum and bladder lie in the abdomen, the pelvisitself being quite primitive. Note also the sharp upward

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