Integumentary WS Key.doc - Worksheet The Integumentary System 1 ... - Free Printable

It looks like you've uploaded an image of a labeled diagram of human skin (epidermis and dermis), with various structures identified by numbers or letters, and a table below it that asks you to match the labels to their correct anatomical terms.

Since I can't view images directly, I’ll guide you through how to solve this type of problem based on typical human skin anatomy. If you describe the labels or provide the list of terms in the table, I can help you match them correctly.

However, here's a general explanation of the common structures found in such diagrams:

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🔬 Anatomy of Human Skin (Cross-Section)

The skin is composed of three main layers:
1. Epidermis – outermost layer
2. Dermis – middle layer
3. Hypodermis (Subcutaneous layer) – deepest layer

Here are common structures you might see in the diagram:

#### ✔ Epidermis:
- Stratum corneum – outermost dead cell layer
- Stratum granulosum – granular layer
- Stratum spinosum – spiny layer
- Stratum basale – deepest epidermal layer; where new cells form
- Melanocytes – produce melanin (skin pigment)
- Langerhans cells – immune cells
- Merkel cells – sensory receptors

#### ✔ Dermis:
- Papillary layer – upper dermis with finger-like projections (dermal papillae)
- Reticular layer – deeper, dense connective tissue
- Hair follicle – structure where hair grows
- Sebaceous gland – produces oil (sebum)
- Sweat gland (eccrine or apocrine) – produces sweat
- Arrector pili muscle – tiny muscle attached to hair follicle; causes "goosebumps"
- Blood vessels – supply nutrients and regulate temperature
- Nerve endings – sense touch, pain, temperature

#### ✔ Hypodermis:
- Adipose tissue – fat storage
- Connective tissue

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🧩 How to Solve the Problem:

1. Look at each numbered/lettered label on the diagram.
2. Identify the structure based on its location and appearance:
- Is it near the surface? → Likely epidermal
- Is it deeper? → Likely dermal or hypodermal
- Does it have a duct leading to the surface? → Probably a gland
- Is it connected to a hair? → Hair follicle or arrector pili
3. Match the structure to the correct term in the list provided in the table.

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Example Matching (Typical):

| Label | Structure |
|-------|-----------|
| 1 | Stratum corneum |
| 2 | Sebaceous gland |
| 3 | Hair follicle |
| 4 | Sweat gland |
| 5 | Arrector pili muscle |
| 6 | Dermal papilla |
| 7 | Blood vessel |
| 8 | Melanocyte |
| 9 | Subcutaneous fat (adipose) |

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If you can tell me:
- The labels in the diagram (e.g., “A”, “B”, “C” or numbers)
- The list of terms in the table
- Or describe what each label points to

...I can give you the exact answers and explanations.

Let me know!