Tissues Flashcards
What are the four primary types of tissues?
Epithelial, Connective, Muscle, Nervous
Which one of the four types of primary tissues have the following functions:
- Cover & Line other Tissues
- Protect Underlying Tissues
- May Absorb, Secrete, or Excrete Biochemical Substances
- May Play a Role in Reception of Sensory Input
Epithelial Tissue
What is an example of (location) epithelial tissue?
Skin
What does avascular mean?
Doesn’t have it’s own blood supply
On an epithelial cell, which surface faces the lumen or outside of the organ?
Apical Surface
On an epithelial cell, which surface faces the basal lamina and blood vessels?
Basal Surface
Most epithelial cells are innervated. What does innervated mean?
Provides sensory input to the nervous system
On an epithelial cell, which surfaces are connected to neighboring cells by junctional complexes?
Lateral Surface
Epithelial tissue is classified by which three characteristics?
Number of Layers of Cells, Shape of Cells, Surface Specializations
What are the two groups of the epithelial characteristic “number of layers of cells”?
Simple, Stratified
How many layers of epithelial cells does a “simple” tissue have?
One
How many layers of epithelial cells does a “stratified” tissue have?
Many
Think stadium seats
What are the three groups of the epithelial characteristic “Shape of Cells”?
Squamous, Cuboidal, Columnar
What shape are squamous epithelial cells?
Flat
What shape are cuboidal epithelial cells?
Square/Cubed
What shape are columnar epithelial cells?
Rectangular
What are the three groups of the epithelial characteristic “Surface Specializations”?
Smooth, Microvilli, Cilia, Keratin
Which epithelial surface specialization increases cell surface area for absorption/secretion?
Microvilli
Where can the epithelial surface specialization “microvilli” be found?
GI Tract
Which epithelial surface specialization coordinates beats for propulsion? (hairlike)
Cilia
Where can the epithelial surface specialization “cilia” be found?
Respiratory Tract
Which epithelial surface specialization is used to protect and waterproof?
Keratin
Where can the epithelial surface specialization “keratin” be found?
Skin
`What does “simple squamous epithelium” mean?
Epithelial Tissue with One Layer of Flat Cells
What type of epithelium is described below?
- Fragile, Thin Cells
- Flat & Smooth
- Found lining surfaces involved in the passage of either gas or liquid
Simple Squamous Epithelium
Where can simple squamous epithelium be found?
Lining Blood Vessels/Alveoli of Lungs
What does “simple cuboidal epithelium” mean?
Epithelial Tissue with One Layer of Cubed/Square Cells
What type of epithelium is described below?
- Single Layer of Cube-Shaped Cells
- Round, dark-staining nuclei which are aligned in a single row
- Occur in areas of the body where secretion and absorption take place
Simple Cuboidal Epithelium
Where can “simple cuboidal epithelium” be found?
Surface of Ovaries/Tubules of Kidneys
What does “simple columnar epithelium” mean?
Epithelial Tissue with One Layer of Rectangular Cells
What type of epithelium is described below?
- Elongated cells that are tightly packed together
- Nuclei aligned in a row at the base of the cell
- Found in many excretory ducts as well as in the digestive tract
Simple Columnar Epithelium
Where can “simple columnar epithelium” be found?
Uterine Tubes/ Entire Lining of GI Tract
What type of cell is found in the respiratory or intestinal tracts that secrete mucus?
Goblet Cells
What does “stratified squamous epithelium” mean?
Epithelial Tissue with Many Layers of Flat Cells
What type of epithelium is described below?
- Multilayered
- Occur in areas of the body subject to mechanical and chemical stress
- Protect the underlying tissues
Stratified Squamous Epithelium
Where can “stratified squamous epithelium” be found?
Epidermis of Skin/Mouth/Esophagus
What does “stratified cuboidal epithelium” mean?
Epithelial Tissue with Many Layers of Square/Cubed Cells
What type of epithelium is described below?
- Usually two layers of cuboidal cells
- Found primarily along large excretory ducts
- Protects underlying tissues
Stratified Cuboidal Epithelium
Where can “stratified cuboidal epithelium” be found?
Salivary Glands/Mammary Glands
Which type of epithelium usually contains cilia?
Pseudostratified Columnar Epithelium
What type of epithelium is described below?
- Cells’ nuclei are found at different levels across the length of the tissue
- Some cells do not reach the luminal surface
- Found in respiratory tract and portions of the male reproductive tract
- Often have cilia
Pseudostratified Columnar Epithelium
What type of epithelium is described below?
- Stratified epithelium with a basal layer of cuboidal or columnar cells and a superficial layer of cuboidal or squamous cells
- Found in areas of the body required to expand and contract as part of their normal function
Transitional Epithelium
Where can “transitional epithelium” be found?
Kidney/Bladder
What are the two types of connective tissues?
Proper, Specialized
What two components do all connective tissues have?
Cells, Matrix
Which type of connective tissue is the largest classification?
Connective Tissue Proper
What are the two sub categories of connective tissue proper?
Loose, Dense
What are the three categories are found in specialized connective tissue?
Bone, Blood, Cartilage
What are the three types of cartilage?
Hyaline, Elastic, Fibrocartilage
Which one of the four primary tissues have the following functions:
- Forms metabolic/structural connections between other tissues
- Forms a protective sheath around organs and helps insulate the body
- Provides the frame that supports the body (bone)
- Composes the medium that transports substances from one region of the body to another (blood)
- Plays a role in the healing process and in the control of invading microorganisms
Connective Tissue
What two substances is the matrix of the connective tissue made of?
Fiber, Ground Substance
What are the three types of fibers found in the matrix of connective tissue?
Collagenous, Elastic, Reticular
What are the two types of cells found in the connective tissue?
Fixed, Transient
What are fixed cells responsible for?
Connective Tissue
Production & Maintenance of Matrix
What are transient cells responsible for?
Connective Tissue
Involved in Repair & Protection of Tissues
What are the three types of loose connective tissue?
Areolar, Adipose, Reticular
What are the three types of dense connective tissue?
Elastic, Dense Regular, Dense Irregular
Where can “areolar loose connective tissue” be found?
Surrounding every organ
Which type of loose connective tissue is highly vascular?
Adipose
What does reticular loose connective tissue do?
Forms the Stroma (Framework of Body)
What does adipose loose connective tissue do?
Acts as an Energy Storehouse/Thermal Insulator
What do dense regular connective tissues make up?
Tendons/Ligaments
Where can dense regular connective tissues be found?
Facial Sheets that Cover Muscles
What do dense irregular connective tissues do?
Forms Joint Capsules
Where can dense irregular connective tissues be found?
Dermis of the skin
Where can elastic connective tissues be found?
Between the Vertebrae/Anywhere strectchy
Which type of cartilage tissue is the most common type?
Hyaline
Where can hyaline cartilage tissues be found?
Most joints/Tracheal Rings/Connections of the Ribs to the Sternum
Where can flexible cartilage tissues be found?
Pinnae/Epiglottis
Where can fibrocartilage tissue be found?
Knee Joint/Between Spine Vertebrae
What type of specialized connective tissue is well vascularized?
Bone
What are membranes made of?
Epithelium, Connective Tissue
What are the four primary membranes?
Mucous, Serous, Cutaneous, Synovial
What do mucous membranes line?
Organs with Connections to the Outside Environment
Where can mucous membranes be found?
Mouth/Intestines/Vagina/Nasal Passages
What do serous membranes line?
Cavity walls and covers organs
Where can serous membrane be found?
Lining the Chest Cavity
What do cutaneous membranes line?
The Body
Where can cutaneous membrane be found?
Skin
What do synovial membranes line?
Cavities of Joints
Where can synovial membrane be found?
Joints
What are the three types of muscle?
Skeletal, Cardiac, Smooth
What type of muscle is described?
- Voluntary
- Striated
- Multiple Nuclei
Skeletal
What type of muscle is described?
- Involuntary
- Striated
- Have intercalated disks that help with contraction
Cardiac
What type of muscle is described?
- Involuntary
- Non-Striated
- Small
- Spindle Shaped
Smooth
What does the suffix “-emia” mean?
in the blood