Questions: ACTIVIDAD PREVIA: Indique el nombre de cada componente destacado con señaladores. Observe las formas de los núcleos en 1, 2 y 3 , e indique qué forma deberías tener esas células Emplee este espacio para desarrollar la actividad

ACTIVIDAD PREVIA: Indique el nombre de cada componente destacado con señaladores. Observe las formas de los núcleos en 1, 2 y 3 , e indique qué forma deberías tener esas células Emplee este espacio para desarrollar la actividad
Transcript text: ACTIVIDAD PREVIA: Indique el nombre de cada componente destacado con señaladores. Observe las formas de los núcleos en 1, 2 y 3 , e indique qué forma deberías tener esas células Emplee este espacio para desarrollar la actividad
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Solution

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Solution Steps

Step 1: Identify the components marked with numbers
  • 1: This is the basal layer of the epidermis, also known as the stratum basale. The nuclei in this layer are typically large and oval-shaped.
  • 2: This is the spinous layer of the epidermis, also known as the stratum spinosum. The nuclei in this layer are slightly flattened.
  • 3: This is the granular layer of the epidermis, also known as the stratum granulosum. The nuclei in this layer are more flattened and dense.
Step 2: Identify the components marked with numbers (continued)
  • 4: This is the stratum corneum, the outermost layer of the epidermis. This layer consists of dead, flattened cells without nuclei.
  • 5: This is the dermis, the layer beneath the epidermis. It contains connective tissue, blood vessels, and other structures.
  • 6: This is the entire epidermis, which includes all the layers from the stratum basale to the stratum corneum.
Step 3: Describe the shape of the cells in the indicated layers
  • 1 (Stratum Basale): The cells in this layer are columnar or cuboidal in shape.
  • 2 (Stratum Spinosum): The cells in this layer are polygonal and have a spiny appearance due to desmosomes.
  • 3 (Stratum Granulosum): The cells in this layer are flattened and contain keratohyalin granules.

Final Answer

  1. Stratum Basale: Large, oval-shaped nuclei; columnar or cuboidal cells.
  2. Stratum Spinosum: Slightly flattened nuclei; polygonal, spiny cells.
  3. Stratum Granulosum: Flattened, dense nuclei; flattened cells with keratohyalin granules.
  4. Stratum Corneum: Dead, flattened cells without nuclei.
  5. Dermis: Connective tissue layer beneath the epidermis.
  6. Epidermis: Entire layer from stratum basale to stratum corneum.
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