STRATUM GERMINATIVUM Meaning and
Definition
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Stratum germinativum, also known as the basal cell layer or the stratum basale, is a term used in dermatology and histology to describe the deepest layer of the epidermis. It is situated between the dermis, the layer below, and the more superficial layers of the epidermis.
The stratum germinativum is primarily composed of basal cells, also referred to as basal keratinocytes. These cells are responsible for the continuous renewal of the epidermis by dividing through cell mitosis. As they divide, some of the newly formed cells stay in the basal layer to become more basal cells, while others move towards the surface of the epidermis and differentiate into other keratinocyte cell types, such as spinous cells, granular cells, and eventually, the tough, outermost layer known as the stratum corneum.
The stratum germinativum plays a vital role in maintaining the integrity, strength, and function of the epidermis. It contains numerous dermal-epidermal junctions, which provide strong adhesion between the epidermis and the underlying dermis. This layer also contains melanocytes, specialized cells that produce the pigment melanin, responsible for skin color and protection against ultraviolet radiation.
In summary, the stratum germinativum is the deepest layer of the epidermis, composed of basal cells responsible for epidermal renewal, dermal-epidermal adhesion, and the presence of melanocytes. It is an essential component of the skin's structure and function.
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Germinative or Malpighian layer, s. mucosum, rete mucosum, the inner layer of the epidermis resting on the corium; it consists of several layers of polygonal cells and one, lowest, layer of columnar cells; some regard this latter as a separate layer to which they apply the name s. germinativum or basilar layer, calling the other layers of this stratum s. mucosum.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for STRATUM GERMINATIVUM
- atratum germinativum
- ztratum germinativum
- xtratum germinativum
- dtratum germinativum
- etratum germinativum
- wtratum germinativum
- srratum germinativum
- sfratum germinativum
- sgratum germinativum
- syratum germinativum
- s6ratum germinativum
- s5ratum germinativum
- steatum germinativum
- stdatum germinativum
- stfatum germinativum
- sttatum germinativum
- st5atum germinativum
- st4atum germinativum
- strztum germinativum
Etymology of STRATUM GERMINATIVUM
The word "stratum germinativum" originates from Latin.
- "Stratum" translates to "layer" in English.
- "Germinativum" is derived from the Latin verb "germinare", meaning "to germinate" or "to sprout".
The term "stratum germinativum" is used in dermatology to refer to the bottom layer of the epidermis, which is responsible for producing new skin cells.
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