A subcutaneous nodule is found in the skin overlying the bregma of a newborn boy. It is a 2 cm in diameter, asymptomatic, rubbery mass that is nonpulsatile, noncompressible, not tender, and appears tinged with blue. The skin overlying the cyst appears normal. The mass is removed and found to include hair follicles, sweat glands, hair, teeth, and nerves. Which one of the following best describes the embryological origin of the mass? a. Endoderm b. Myotome c. Sclerotome d. Intermediate mesoderm e. Somatic mesoderm f. Ectoderm

Medical Terminology for Health Professions, Spiral bound Version (MindTap Course List)
8th Edition
ISBN:9781305634350
Author:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. Schroeder
Publisher:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. Schroeder
ChapterCom: Comprehensive Medical Terminology Review
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A subcutaneous nodule is found in the skin overlying the bregma of a
newborn boy. It is a 2 cm in diameter, asymptomatic, rubbery mass that is
nonpulsatile, noncompressible, not tender, and appears tinged with blue.
The skin overlying the cyst appears normal. The mass is removed and
found to include hair follicles, sweat glands, hair, teeth, and nerves. Which
one of the following best describes the embryological origin of the mass?
a. Endoderm
b. Myotome
c. Sclerotome
d. Intermediate mesoderm
e. Somatic mesoderm
f. Ectoderm
Transcribed Image Text:A subcutaneous nodule is found in the skin overlying the bregma of a newborn boy. It is a 2 cm in diameter, asymptomatic, rubbery mass that is nonpulsatile, noncompressible, not tender, and appears tinged with blue. The skin overlying the cyst appears normal. The mass is removed and found to include hair follicles, sweat glands, hair, teeth, and nerves. Which one of the following best describes the embryological origin of the mass? a. Endoderm b. Myotome c. Sclerotome d. Intermediate mesoderm e. Somatic mesoderm f. Ectoderm
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