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
What type of fluid do merocrine/ecrine sweat glands produce?
Sweat for thermoregulation
What is the muscle that makes hair stand on end?
Erector pillae
What are the classifications of a first degree burn?
Just the epidermis is damaged, there is no scarring
What are the classifications of a second degree burn?
The epidermis is destroyed, the dermis is damaged, and there is often blistering
What are the classifications of a third degree burn?
Epidermis and dermis are destroyed, the hypodermis connective tissue is damaged, no pain due to destroyed nerves
What are the risks associated with a third degree burn?
Dehydration, infection, lack of blood supply
What are the two layer shapes for epithelial tissue?
Simple and Stratified
What are the three shapes of epithelial tissue?
Squamous, Cuboidal, Columnar
What is the location and function of simple squamous epithelial tissue?
Air sacs in lungs, rapid diffusion
What is the location and function of simple cuboidal epithelial tissue?
Most glands, secretion and absorption
What is the location and function of simple columnar epithelial tissue?
GI tract, secretion and absorbtion
What is the location and function of pseudostratified ciliated columnar epithelial tissue?
Respiratory tract, movement of mucous across surface
What is the location and function of stratified squamous epithelial tissue?
Areas open to the outside world, protection
What is the location and function of stratified cuboidal epithelial tissue?
Sweat (exocrine) glands, secretion
What is the location and function of transitional epithelial tissue?
Bladder, expansion
What is the location and function of loose areolar connective tissue?
Papillary layer of the Dermis, protects tissues
What is the location and function of adipose connective tissue?
Surrounds some organs and subcutaneous layer, reduces heat loss
What is the location and function of reticular connective tissue?
Spleen, provides framework
What is the location and function of dense regular connective tissue?
Tendons and ligaments, resists stretching in one direction
What is the location and function of dense irregular connective tissue?
Reticular dermis, resists stretching in all directions
What is the location and function of elastic connective tissue?
Aorta and elastic arteries, allows for expansion
What is the location and function of hyaline cartilage connective tissue?
Ends of longbones, support
What is the location and function of elastic cartilage connective tissue?
External ear, maintains shape with extensive flexibility
What is the location and function of fibrocartilage connective tissue?
Pubic Symphysis, resists compression
What type of tissue is this?

Simple Squamous Epithelial
What type of tissue is this?

Simple Cuboidal Epithelial tissue
What type of tissue is this?

Simple Columnar Epithelial
What type of tissue is this?

Pseudostratified Ciliated Columnar Epithelial Tissue
What type of tissue is this?

Stratified Squamous Epithelial Tissue
What type of tissue is this?

Stratified Cuboidal Epithelial Tissue
What type of tissue is this?

Transitional Epithelial
What type of tissue is this?

Loose Areolar Connective Tissue
What type of tissue is this?

Adipose Connective Tissue
What type of tissue is this?

Reticular Connective Tissue
What type of tissue is this?

Dense Regular Connective Tissue
What type of tissue is this?

Dense Irregular Connective Tissue
What type of tissue is this?

Elastic Connective Tissue
What type of tissue is this?

Hyaline Cartilage Connective Tissue
What type of tissue is this?

Elastic Cartilage
What type of tissue is this?

Fibrocartilage Connective Tissue
What type of tissue is this?

Bone Connective Tissue
What type of tissue is this?

Smooth Muscle Tissue
What type of tissue is this?

Skeletal Muscle Tissue
What type of tissue is this?

Cardiac Muscle Tissue
What is this?

Sebaceous Gland
What is this?

Apocrine Sweat Gland
What is this?

Apocrine Sweat Gland
What is this?

Eccrine Sweat Gland