Scalp vesicles within the first week of life: a clue to early diagnosis of herpes neonatorum.
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Biomedical subjects
Publications and source records attributed to G Tucker.
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In the species presented, the orifice to the subhyoid air sac is found at the tuberculum (when the epiglottis attaches at the level of the ventricle); here also is noted the presence of a cartilaginous island(s) just anterior to the duct. When seen in coronal section along the axis of the duct, the glandular elements cluster around the sac in the anterior supraglottic subhyoid wedge, in preference to the area around the ventricles.
The clinical correlation of the authors' observations on human laryngeal development with existing literature supports the suggestion that earlier concepts, specifically by Frazer, may not be valid. It is further proposed that development of the human larynx may similarly correspond in man to that of the rat. Congenital laryngeal malformations are fundamentally associated with a disturbance of epithelial mesenchymal interactions, particularly related to a premature arrest of the normally vigorous epithelial activity.