The image provided is a cross-sectional diagram of the human skin, which is part of the integumentary system. The task appears to be labeling the different parts of the skin. Below is the explanation and solution for each numbered part:
Labeling the Skin Layers and Structures:
1.
Hair Follicle: This is the structure in the skin from which hair grows. It is a sac-like invagination of the epidermis into the dermis.
2.
Sebaceous Gland: These glands are attached to hair follicles and secrete an oily substance called sebum, which helps lubricate the hair and skin.
3.
Stratum Corneum: This is the outermost layer of the epidermis. It consists of dead, flattened keratinocytes that provide a protective barrier against water loss and pathogens.
4.
Stratum Granulosum: This layer of the epidermis lies beneath the stratum corneum. Cells in this layer are filled with granules of keratohyalin, which contribute to the formation of the stratum corneum.
5.
Stratum Basale (Basal Layer): This is the deepest layer of the epidermis, where new skin cells are produced through mitosis. It also contains melanocytes, which produce melanin.
6.
Dermis: This is the layer of skin beneath the epidermis. It is composed of connective tissue and contains blood vessels, nerves, hair follicles, sweat glands, and sebaceous glands.
7.
Subcutaneous Tissue (Hypodermis): This is the layer beneath the dermis, consisting mainly of adipose (fat) tissue. It provides insulation, energy storage, and cushioning for the body.
Final Answer:
1. Hair Follicle
2. Sebaceous Gland
3. Stratum Corneum
4. Stratum Granulosum
5. Stratum Basale
6. Dermis
7. Subcutaneous Tissue (Hypodermis)
Explanation:
- The
epidermis is the outermost layer of the skin and is divided into several sublayers, including the stratum corneum, stratum granulosum, and stratum basale.
- The
dermis is the middle layer, rich in blood vessels, nerves, and other structures like hair follicles and glands.
- The
subcutaneous tissue (hypodermis) is the deepest layer, primarily composed of fat.
This labeling helps understand the structure and function of each part of the skin.
Parent Tip: Review the logic above to help your child master the concept of skin labeling worksheet.
