Lab 6Integument
Performance Objectives:
I. Study the skin models, diagrams, notes, and power point presentation and be able to identify, describe physical characteristics and functions of the following structures:
1. Epidermis ______
A. stratum basale ______
B. stratum spinosum ______
C. stratum granulosum ______
D. stratum lucidum (in thick skin only) ______
D. stratum corneum ______
2. Epidermal Cells
A. keratinocytes
1. Physical Characteristics______
2. Functions (s) ______
B. melanocytes
1. Physical Characteristics______
2. Functions (s) ______
C. Langerhans cells (diagrams only)
1. Physical Characteristics______
2. Functions (s) ______
D. Merkel cells (diagrams only)
1. Physical Characteristics______
2. Functions (s) ______
3. dermis ______
A. papillary layer
1. Physical Characteristics______
2. Functions (s) ______
B. dermal papillae
1. Physical Characteristics______
2. Functions (s) ______
1. Physical Characteristics______
2. Functions (s) ______
C. reticular layer
1. Physical Characteristics______
2. Functions (s) ______
4. "hypodermis"
A. Composition and Function______
5. Hair follicles - Describe the structure for each of the following:
A. follicle wall ______
B. hair root ______
C. hair shaft ______
D. bulb ______
E. papilla ______
F. matrix ______
Describe the function for each of the following:
6. arrector pili m. ______
7. sebaceous glands ______
8. sudoriferous glands
a. eccrine ______
b. apocrine (models only) ______
9. sensory structures
a. Pacinian corpuscles ______
b. root hair plexus ______
c. Meissner¹s corpuscles ______
d. free nerve endings ______
II. Study slides cornified skin ( integument, scalp, palmar) and be able to identify:
1. epidermis
a. stratum corneum
b. stratum basale
c. stratum spinosum
d. stratum granulosum
e. stratum lucidum
2. dermis
a. papillary layer
b. reticular layer
3. hair
a. root
b. follicle
c. bulb
4. sebaceous glands
5. sudoriferous glands and ducts
6. subcutaneous layer (with adipocytes)
a. Pacinian corpuscle
b. hypodermis
c. adipocytes
III. Label The following Pictures:
Wayne 2016 Define or describe all the terms that have a solid or dashed line next to them! Answer all questions!