Term
|
Definition
| collections of similar cells and the substances surrounding them. |
|
|
Term
|
Definition
| The composition of the noncellular substances surrounding cells. |
|
|
Term
|
Definition
| tissue that faces either a bodily fluid or the outside environment. |
|
|
Term
|
Definition
| secretory organs derived from epithelia. |
|
|
Term
|
Definition
| a layer of tissue that envelopes a structure or lines a cavity. |
|
|
Term
|
Definition
1) protection,
2) act as barriers,
3) permit the passage of substances,
4) secrete substances,
5) absorb substances. |
|
|
Term
|
Definition
| a single layer of cells that generally functions as a lining for body cavities, duct, and tubes. |
|
|
Term
|
Definition
| has two or more layers and functions primarily as protection (e.g., skin). |
|
|
Term
| PSEUDOSTRATIFIED COLUMNAR |
|
Definition
| a special type of simple epithelium. |
|
|
Term
| PSEUDOSTRATIFIED COLUMNAR |
|
Definition
| This type of epithelia appears to be stratified but is only one layer of cells as they all make contact with the basal lamina. |
|
|
Term
|
Definition
| A unique type of stratified epithelium (lines the bladder and ureter) is positioned to accommodate cell expansion. |
|
|
Term
| 3 MAJOR TYPES OF EPITHELIAL TISSSUE |
|
Definition
1) squamous (irregularly shaped),
2) cuboidal and
3) columnar. |
|
|
Term
| 3 TYPES OF CELL JUNCTIONS |
|
Definition
a) tight junctions
b) desmosomes
c) gap junctions |
|
|
Term
| FEATURES OF TIGHT JUNCTIONS |
|
Definition
Proteins that link together neighboring cell membranes and stop fluids from leaking between epithelial cells
Needle and thread |
|
|
Term
|
Definition
Spot welds that cement adjacent cells together
Two types |
|
|
Term
|
Definition
Spot welds that cement adjacent cells together
Two types |
|
|
Term
|
Definition
1) Button desmosomes link opposing cell membranes
2) Hemidesmosomes tie the epithelia cell to the underlying basement membrane |
|
|
Term
| FEATURES OF GAP JUNCTIONS |
|
Definition
| Channels that directly connect the cytoplasms of two adjacent cells |
|
|
Term
| WHAT DO GAP JUNCTIONS DO IN EPITHELIAL CELLS? |
|
Definition
| work to enable coordinated and rhythmic functioning of cilia that are commonly found on the apical surfaces. |
|
|
Term
| LOCATION OF TIGHT JUNCTIONS |
|
Definition
|
|
Term
| LOCATION OF GAP JUNCTIONS |
|
Definition
1) heart,
2) stomach,
3)and other organs where cell activities must be rapidly coordinated. |
|
|
Term
|
Definition
| have ducts that secrete mucus, saliva, earwax, oil, milk, digestive enzymes, etc. |
|
|
Term
|
Definition
| do not have ducts, exude products such as hormones. |
|
|
Term
| WHERE DO EXOCRINE GLANDS GENERALLY SECRETE THEIR PRODUCTS? |
|
Definition
| These products are generally released onto a free epithelial surface. |
|
|
Term
| WHERE DO ENDOCRINE GLANDS GENERALLY SECRETE THEIR PRODUCTS? |
|
Definition
| They are secreted directly into fluid that bathes the gland and eventually enter the bloodstream for distribution throughout the body. |
|
|
Term
|
Definition
| is plentiful in the human body and makes up part of every organ in the body. |
|
|
Term
| WHERE IS CONNECTIVE TISSUE ABUNDANT? |
|
Definition
| Connective tissue is notable for its abundant extracellular matrix. |
|
|
Term
| FUNCTIONS OF CONNECTIVE TISSUE |
|
Definition
1) Encloses and separates body organs
2) Connects tissues to one another
3) Provides for support and movement
4) Stores energy and minerals
5) Cushions and insulates
6) Transports
7) Houses white blood cells |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| Other tissues that are considered connective include adipose or fat cells. |
|
|
Term
|
Definition
| These cells contain large deposits of lipids. |
|
|
Term
|
Definition
1) protein fibers,
2) ground substance,
3) and fluid. |
|
|
Term
| 3 TYPES OF PROTEIN FIBERS |
|
Definition
1) collagen,
2) reticular,
3) and elastic |
|
|
Term
| MOST COMMON PROTEIN IN THE HUMAN BODY |
|
Definition
|
|
Term
|
Definition
| It has three chains of protein twisted together and there are about 15 different types of collagen. |
|
|
Term
| The two major nonfibrous molecules found in the matrix |
|
Definition
1) hyaluronic acid, which is a polysaccharide,
2) and proteoglycans that can trap water. |
|
|
Term
|
Definition
| found in the ground substance that aid in maintaining structure of the extracellular matrix. |
|
|
Term
| 3 TYPES OF ADHESIVE MOLECULES |
|
Definition
1) chondronectin (in ground substance of cartilage),
2) osteonectin (in ground substance of bone),
3) and fibronectin (in ground substance of fibrous connective tissues). |
|
|
Term
|
Definition
| Embryonic connective tissue |
|
|
Term
|
Definition
| made up of irregularly shaped fibroblasts surrounded by abundant semifluid extracellular matrix containing collagenous fibers. |
|
|
Term
|
Definition
| All adult connective tissue derives from IT |
|
|
Term
| WHAT DO ALL MUSCLE CELLS DO? |
|
Definition
|
|
Term
| WHAT IS TISSUE COMPOSED OF? |
|
Definition
| composed of long cells called muscle fibers. |
|
|
Term
|
Definition
1) SkeletaL
2) Smooth
3) Cardiac |
|
|
Term
| CHARACHTERISTICS OF SKELETAL MUSCLE TISSUE |
|
Definition
1) bundles of long, cylindrical, striated and contractile cells;
2) tough connective tissue encloses several bundles of muscle cells. |
|
|
Term
| CHARACHTERISTICS OF SMOOTH MUSCLE TISSUES |
|
Definition
1) Characterized by a tapering of the cell ends;
2) held together by gap junctions
3) bundled by a connective tissue sheath; 4) occurs mostly in the digestive system and around hollow organs. |
|
|
Term
| CHARACHTERISTICS OF CARDIAC MUSCLE TISSUE |
|
Definition
1) branched and striated;
2) only in heart;
3) gap junctions fuse the plasma membrane. |
|
|
Term
| TWO CELL TYPES OF NERVOUS TISSUE |
|
Definition
|
|
Term
|
Definition
1) the cell body (trigger zone),
2) dendrites (input zones),
3) and the axon (output zone). |
|
|
Term
| 4 CATEGORIES OF MEMBRANES |
|
Definition
1) mucous,
2) serous,
3) cutaneous
4) and synovial membranes. |
|
|
Term
|
Definition
| the area of injury is isolated by the activity of platelets, histamine and many other factors found in the bloodstream and connective tissue surrounding a wound. |
|
|
Term
|
Definition
| damaged tissues are replaced and repaired. Eventually, various white blood cells begin cleaning up the dead cells and the process of inflammation subsides. |
|
|
