15 Questions
What is the main component of the integument?
Epidermis
Which of the following is NOT a function of the skin?
Excretion of glucose
Which of the following is NOT considered a skin appendage?
Blood vessels
What is the approximate weight of the integument in a person weighing 70 kg?
4.0 kg
Which structure covers the external surface of the tympanic membrane?
Epidermis
What determines the color of the skin?
Vascularization and pigmentation
Which layer of the skin contains cells that are mitotically active and cuboidal to low columnar in shape?
Stratum basale
In which type of skin is the stratum lucidum present?
Thick skin
Which type of skin lacks hair follicles, arrector pili muscles, and sebaceous glands?
Thick skin
What is the main component of the epidermis, composing of keratinocytes, melanocytes, Langerhans cells, and Merkel cells?
Stratified squamous epithelium
Which layer of the epidermis consists of several layers of flat cornified, keratinized dead cells with a thickened cell membrane?
Stratum corneum
What is the thickness range of the epidermis in thin skin?
$75-150$ µm
Which cell type in the epidermis is responsible for detecting light touch and superficial pressure?
Merkel cells
What is the main function of the stratum granulosum in the epidermis?
Keratinization and waterproofing
Which layer of the epidermis is most superficial but still contains cells with nuclei?
Stratum granulosum
Test your knowledge about the histological structure, cellular composition, and physiological functions of the skin. Explore the layers of the epidermis, the histological structure of the dermis, and the development of skin appendages.
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