. Elementary anatomy and physiology : for colleges, academies, and other schools . Vertical Section of Epidermis from a Highly magnified Pigment-Cells. A. Negro, a, Deep Cells loaded with Pig- Scales of the Epidermis filled with Pig- ment. Cells more elevated and some- ment Cells which are seen separate at b. what flattened, c, Scaly Cells at the Sur- B. Pigment Cells from the Choroid Coat face. of the Eye. the same substance as the white of an egg—and is secreted by the true skin, in the form of scales, which are closely compacted together, and it is in this form that they are de- tached from
. Elementary anatomy and physiology : for colleges, academies, and other schools . Vertical Section of Epidermis from a Highly magnified Pigment-Cells. A. Negro, a, Deep Cells loaded with Pig- Scales of the Epidermis filled with Pig- ment. Cells more elevated and some- ment Cells which are seen separate at b. what flattened, c, Scaly Cells at the Sur- B. Pigment Cells from the Choroid Coat face. of the Eye. the same substance as the white of an egg—and is secreted by the true skin, in the form of scales, which are closely compacted together, and it is in this form that they are de- tached from the body by washing and friction. In some cases, however, it is detached in large patches, so that after certain skin diseases have run their career, the whole epider- mis of the hand with the nails adherent may be removed in the manner of a glove. The epidermis contains no blood- vessels or nerves, and consequently no vitality, it being merely a secretion which hardens into a semi-transparent membrane. A part of the cells of the true skin, however, instead of se- creting the epidermis, produce what are termed the Pigment 521. Describe the epidermis. To what does it correspond in the tree? State its thick- ness and chemical composition. What vessels and what cells does it contain? Where are the pigment cells shown ?
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Keywords: ., bookcentury1800, bookd, booksubjectanatomy, booksubjectphysiology
