Skin-Histo

A detailed diagram of human skin layers including the epidermis, dermis, and hypodermis with annotations for various cell types and structures.

Skin-Histo Quiz: Test Your Knowledge!

Are you ready to dive into the fascinating world of skin histology? This engaging quiz is designed to challenge your understanding of skin structure, cells, and derivatives.

  • Complete 13 questions on skin histology!
  • Multiple choice and checkboxes for a dynamic quiz experience!
  • Perfect for students, teachers, or anyone interested in dermatology!
13 Questions3 MinutesCreated by StudyingCells42
Find true about the skin:
SALT system includes keratinocytes, T-lymphocytes and Langerhans cells
Reticular layer of dermis is composed of dense regular connective tissue
Reticular layer of dermis is composed of dense irregular connective tissue
Thickness of dermis varies depending on the region of the body
Bulb region of the hair does not contain stem cells
Stratum basale is also called stratum germnativum
In which layer of the epidermis desmosomes are present in highest number?(single choice)
Epidermis of stratum granulosum
Epidermis of stratum lucidum
Epidermis of stratum corneum
Epidermis of stratum basale
Stratum spinosum
Which of the following structures of skin are of ectodermal origin
Epidermis
Dermis
Meibomian gland
Sweat glands
Hair follicles and hair
Nails
Sebaceous glands
Choose the gland that release its secretion in holocrine way:
Sebaceous gland
Meibomian gland
Sweat glands
Dermis:
Both layers contain collagen and elastic fibers
The first layer only contains collagen fibers
Is divided into papillary and reticular layer
Is divided into elastic and reticular layer
Secretory parts of eccrine sweat glands are located in superficial epidermis
Secretory parts of eccrine sweat glands are located in deeper dermis
Supports epidermis and binds it to the hypodermis
Reticular layer is composed of dense irregular connective tissue
Skin derivatives, find true:
Hair are elongated, keratinized structures derived from invaginations of epidermal epithelium
The hair follicle is responsible for the production and growth of hair
Sebaceous glands secrete sebum that coats hair and skin surfaces
Eccrine sweat glands are distributed only in compressed areas on the body surface (armpits)
Sweat glands are ectodermal in origin
€¢ Apocrine sweat glands are limited to axilla, areola, nipple, anus and external genitalia
Each hair is composed of shaft of cornified cells and root
Eccrine sweat glands are distributed over the entire body surface
Langerhans cells of the epidermis:
Are derived from bone marrow
Are macrophages
Are mesenchymal in origin
Are absent in stratum spinosum
Can be found in stratum corneum
Mainly present in stratum spinosum
Are present exclusively in stratum corneum
Belong to APC’s system
Epidermis, find true:
Is composed of keratinized stratified squamous epithelium
S composed of non-keratinized stratified squamous epithelium
Keratinocytes produce keratins (cytokeratins)
Keratinocytes are main population of epidermis –
Epidermis:
There is no stratum lucidum in thin skin
There is stratum lucidum in thin skin
It is stratified squamous keratinized epithelium
Contains blood vessels
Is derived from ectoderm
Melanocytes are antigen-presenting cells
Stratum basale is also called stratum germinativum
Langerhans cells are antigen-presenting cells
Choose the cells occurring in epidermis:
Melanocytes
Merkel s cells
Langerhans cells
Keratinocytes
Erythrocytes
Mark true sentence concerning skin:
No bodies of the melanocytes are present in the hypodermis
There are zonulae occludens between stratum basale cells and basal lamina
Thick skin covers palms
Langerhans cells can bind, process and present antigens to T-lymphocytes
In the skin of external auditory meatus there are only ‘apocrine’ sweat glands
Melanocytes are only present in stratum corneum
Melanin is synthesized in melanocytes
No bodies of the melanocytes are present in the stratum corneum
There are zonul aeadherens between stratum basale cells and basal lamina
Epidermis – find true: (Single choice)
The keratinocytes of stratum lucidum can proliferate
Is composed of non-keratinizing stratified squamous epithelium
Keratinocytes are main population of cells
Is derived from mesoderm
Find true about the skin:
Arrector pili muscles are composed of smooth muscle cells
Cells of stratum basale have low mitotic activity
Sebaceous glands are branched multicellular saccular glands
Papillary layer of dermis is composed of loose connective tissue
Langerhans cells can bind, process and present antigens
Dermis supports epidermis and binds it to hypodermis
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