Integumentary

Question 1

Major function

Answer 1

Sensory
Homeostasis
Endocrine
Exocrine
Protective
Immunulogic

Question 2

Langerhans cell role and location

Answer 2

antigen presenting cells of immune system

Stratum Spinosum

Question 3

Merkel cell role

Contain

Answer 3

Mechanoreceptor associated with nerve endings

Contain neurosecretory granules

Question 4

Layers from dermis

Answer 4

Dermis
Stratum Basale
Stratum Spinosum
Stratum Granulosum
Stratum Lucidum (thick only)
Stratum Corneum

Question 5

Melanocytes contain_____ which produce melanin

Answer 5

Melanosomes

Question 6

Melanocyte nuclei and cytoplasm

Answer 6

elongated nuclei with clear cytoplasm

Question 7

Papillary layer of dermis
Type of CT
Description
Special

Answer 7

Loose areolar CT
Contain dermal papillae: fingerlike projections into epidermis
Nerve endings and blood to help avascular epidermis

Question 8

Reticular layer

Compared to papillary

Answer 8

Dense Irregular CT
Thicker
Less cells

Question 9

Pacinian Corpuscle
Shape
Found in
description
Detects
Inner Core

Answer 9

Large ovoid structure in dermis and hypodermis
myelenated nerve ending surrounded by concentric lamellae
Detects deep pressure and virbration
Inner Core: unmyelenated axon surrounded by Schwann cell lamellae

Question 10

Meissners Corpuscles
Shape
Located in
Description
Detect

Answer 10

Tapered cylindrical structures
Located in DERMAL papillae of HAIRLESS skin
Spiraled unmyelenated nerves w/ flatenned schwan cell lamelae
Detect light touch