Histology, Burns, and cell types Flashcards
Histology, Burns, and cell types
Simple epithelial tissue has _____ layers.
One
Stratified epithelial tissue has _____ layers
Multiple
The basal membrane is made up of which two parts?
Basal lamina and Reticular lamina
How does a merocrine gland function?
Exocytosis
How does an apocrine gland function?
Part of the cell pinches off
How does a holocrine gland function?
The cells themselves shed off
6 Functions of the Integumentary system
Protection, Thermoregulation, Storage, Metabolic Function, Secretion, Sensation
Two layers of the integument
Epidermis and Dermis
Two layers of the dermis
Papillary and Reticular
5 layers of the epidermis
Stratum Corneum, Stratum Lucidum, Stratum Granulosum, Stratum Spinosum, Stratum Basale
Which layer of the epidermis is only present in thick skin?
Stratum Lucidum
What structures cause fingerprints?
Dermal papillae
In what type of skin do hair follicles exist?
Thin skin
What corpuscles lie within the dermal papillae?
Meisner’s corpuscles
What is the function of Meisner’s corpuscles?
Tactile sensation, pain, slow vibration
What corpuscles are large and onion-shaped?
Pascinian corpuscles
What is the function of Pascinian corpuscles?
Pressure, deep touch, fast vibration
What are the four types of membranes?
Cutaneous, Mucous, Serous, Synovial
Where does one find cutaneous membranes?
In the epidermis and dermis
Where does one fine mucous membranes?
Cavities open to the external environment
What are the layers of mucous membranes?
epithelium, lamina propria, smooth muscle
Where can one find serous membranes?
Interior cavities (around the heart, lungs, etc.)
What are the layers of serous membranes?
Visceral, fluid, Parietal
Where can one find synovial membranes?
Joints
What are the blood vessels in the epidermal papillae called?
Capillary loops
What is the purpose of free nerve endings?
Light touch, itch, and temperature
Where are sebaceous glands located?
Right on the hair follicles.
What type of fluid do sebaceous glands produce?
An oily, greasy substance, holocrine gland
Where are apocrine sweat glands located?
Directly on hair follicles
What type of fluid do apocrine sweat glands produce?
Emotional sweat, body odor caused by this bacteria
Where are merocrine/ecrine sweat glands located?
Coiled tube away from hair