tissues & skin
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| What are the four major families of tissues that make up the human body? | show 🗑
|
||||
| show | a.covering and lining epithelium
b.glandular epithelium
🗑
|
||||
| 1.What are the general features of epithelium? | show 🗑
|
||||
| show | Avascular,
Has a very high rate of cell division,has a nerve supply
-numerous functions including:protection, filtration, secretion, absorption, excretion
🗑
|
||||
| 1.What are the description (structure) of simple squamous? | show 🗑
|
||||
| show | Functions: Diffusion and filtration,Provide a slick, friction-reducing lining in lymphatic and cardiovascular systems,Present in the kidney glomeruli, lining of heart, blood vessels, lymphatic vessels, and serosae
🗑
|
||||
| What are the description (structure and function) of simple cuboidal? | show 🗑
|
||||
| What are the description (structure and function) of simple columnar? | show 🗑
|
||||
| What are the description (structure and function) of transitional epithelium? | show 🗑
|
||||
| show | Single layer of cells with different heights; some do not reach the free surface
Nuclei are seen at different layers, may contain goblet cells and bear cilia.
🗑
|
||||
| show | Function in secretion and propulsion of mucus by ciliary action
Ciliated: trachea, most of upper respiratory tract
🗑
|
||||
| How can the epithelial tissues be classified? Covering and Lining Epithelium | show 🗑
|
||||
| show | iii.Stratified (multilaminar) epithelium (two or more layers of cells)
cells may be categorized by cell shape:
i.Squamous cells are flattened
ii.Cuboidal cells are usually cube-shaped or hexagons
iii.Columnar cells are tall and cylindrical
🗑
|
||||
| show | iv.Transitional cells are able to undergo changes in shape caused by distension
e.according to number of layers present and cell shapes (in the apical layer),
🗑
|
||||
| show | A gland is a one or more cell that makes and secretes an aqueous fluid
- Classified by:
Site of product release – endocrine or exocrine
Relative number of cells forming the gland – unicellular or multicellular
🗑
|
||||
| 2.How can the epithelial tissues be classified? Glandular Epithelium | show 🗑
|
||||
| 3How can the epithelial tissues be classified? Glandular Epithelium | show 🗑
|
||||
| 4.How can the epithelial tissues be classified? Glandular Epithelium | show 🗑
|
||||
| show | Merocrine glands: form the secretory product and release it from the cell, i.e. salivary glands.
🗑
|
||||
| show | Apocrine glands:pinched off portion of cell is secretion, human?
Holocrine glands: mature cell dies and becomes secretory product,i.e. sebaceous gland of the skin.
🗑
|
||||
| What are the major difference between endocrine glands and exocrine glands? | show 🗑
|
||||
| 2.What are the major difference between endocrine glands and exocrine glands? | show 🗑
|
||||
| What are the examples of the connective tissue? (blood, cartilage, bone, adipose tissue, etc.) | show 🗑
|
||||
| 2.What are the examples of the connective tissue? (blood, cartilage, bone, adipose tissue, etc.) | show 🗑
|
||||
| Mature connective tissue:Loose connective tissue | show 🗑
|
||||
| Areolar connective tissue | show 🗑
|
||||
| adipose tissue | show 🗑
|
||||
| show | - contains reticular fibers and reticular cells
- binds together cells of smooth muscle tissue, forms stroma (framework) of organs, etc.
🗑
|
||||
| show | has densely arranged fibers in the matrix.1.Dense regular connective tissue.2.Dense irregular connective tissue.3.Elastic connective tissue
🗑
|
||||
| Dense regular connective tissue | show 🗑
|
||||
| show | contains fibroblasts scattered among randomly oriented (i.e., irregularly arranged) collagen fibers
- located in dermis, periosteum, heart valves, etc.
- provides strength
🗑
|
||||
| show | - contains fibroblasts scattered among elastic fibers
- located in walls of elastic arteries, lung tissue, etc.
- provides elasticity and strength
🗑
|
||||
| Cartilage | show 🗑
|
||||
| Hyaline cartilage | show 🗑
|
||||
| show | - provides flexibility and support; at joints, it reduces friction and absorbs shocks
🗑
|
||||
| show | - contains visible bundles of collagen fibers, making it the strongest type of cartilage
- it lacks a perichondrium
- located in intervertebral discs, knee menisci, etc.
- provides strength and rigidity as well as flexibility and support
🗑
|
||||
| Elastic cartilage | show 🗑
|
||||
| Bone (osseous) tissue | show 🗑
|
||||
| Compact (dense) bone | show 🗑
|
||||
| Spongy (cancellous) bone | show 🗑
|
||||
| Blood tissue | show 🗑
|
||||
| Erythrocytes | show 🗑
|
||||
| Leukocytes | show 🗑
|
||||
| show | play a role in blood clotting
🗑
|
||||
| Lymph | show 🗑
|
||||
| show | Fibroblasts,Macrophages,Plasma cells,Mast cells, Adipocytes,White blood cells
🗑
|
||||
| Fibroblasts | show 🗑
|
||||
| Macrophages | show 🗑
|
||||
| Plasma cells | show 🗑
|
||||
| show | abundant alongside the blood vessels that supply CT; secrete histamine.
🗑
|
||||
| show | deep to the skin and around organs such as heart and kidneys; store triglycerides
🗑
|
||||
| White blood cells | show 🗑
|
||||
| What is the function of fibroblasts? | show 🗑
|
||||
| What cells secrete histamine and heparin? | show 🗑
|
||||
| show | Plasma cells
🗑
|
||||
| show | Macrophages
🗑
|
||||
| show | Collagen fibers, Elastic fibers, Reticular fibers
🗑
|
||||
| show | areolar connective tissue
🗑
|
||||
| What are the characteristics and functions areolar loose connective tissue? | show 🗑
|
||||
| What are the characteristics and functions Adipose tissue? | show 🗑
|
||||
| show | - contains rows of fibroblasts located between numerous parallel (i.e., regularly arranged) bundles of collagen fibers
- forms tendons and most ligaments
- provides strong attachment between various structures
🗑
|
||||
| What are the characteristics and functions Dense irregular connective tissue? | show 🗑
|
||||
| What is the flexible connective tissue that joins a rib to the sternum? | show 🗑
|
||||
| show | Fibrocartilage
🗑
|
||||
| What tissue would take the longest time to heal? | show 🗑
|
||||
| What two types of tissues make up an epithelial membrane? | show 🗑
|
||||
| The principal epithelial membranes are? | show 🗑
|
||||
| show | lines a cavity that opens to the exterior (e.g., gastrointestinal tract, respiratory tract, etc.);
🗑
|
||||
| show | it forms a barrier against entry of microbes, secretes mucus to prevent dehydration and trap pathogens, etc.; the connective tissue layer is called lamina propria
🗑
|
||||
| Serous membrane (serosa) | show 🗑
|
||||
| show | the epithelial layer secretes a lubricating serous fluid that reduces friction between the organs and the walls of the cavities; examples include the pericardium, pleura and peritoneum.
🗑
|
||||
| show | (which lack an epithelial layer) line joint cavities, bursae, and tendon sheaths; synoviocytes secrete components of a lubricating synovial fluid that reduces friction during movements.
🗑
|
||||
| show | Mucous membrane (mucosa)
🗑
|
||||
| The two principal layers of skin are the ____ and _____. | show 🗑
|
||||
| 2. In the epidermis, from deepest to most superficial, the cells pass through the layers in what order? | show 🗑
|
||||
| Epidermal strata From the superficial to the deepest layer | show 🗑
|
||||
| show | 90% of the cells are keratinocytes, which produce keratin that provides protection
🗑
|
||||
| show | melanocytes, which produce the pigment melanin that protects against damage by ultraviolet radaition
🗑
|
||||
| What are the characteristics, function, and location of Langerhans cells? | show 🗑
|
||||
| show | Merkel cells (or tactile epithelial cells), which function in the sensation of touch along with the adjacent tactile (or Merkel) discs
🗑
|
||||
| The greatest amount of keratin is found which stratum? | show 🗑
|
||||
| Which stratum is found in the thick skin but not in the thin skin? | show 🗑
|
||||
| The two regions of dermis include the superficial _____ region and the deeper ____ region. | show 🗑
|
||||
| show | of areolar connective tissue containing thin collagen and elastic fibers, dermal papillae (including capillary loops), corpuscles of touch (Meissner’s corpuscles), and free nerve endings
🗑
|
||||
| show | of dense irregular connective tissue containing collagen and elastic fibers (which provide strength, extensibility, and elasticity to the skin), adipose cells, hair follicles, nerves, sebaceous (oil) glands, and sudoriferous (sweat) glands
🗑
|
||||
| What types of cells in the dermis (keep in mind, it is made of connective tissue, not the epithelial tissue)? | show 🗑
|
||||
| What are the dermal papillae? What do they contain? ___ and ____. | show 🗑
|
||||
| show | elastic fibers
🗑
|
||||
| show | melanin, carotene, n hemoglobin
🗑
|
||||
| show | (located mostly in the epidermis, where it absorbs UV radiation)
- albinism is an inherited inability to produce melanin
- vitiligo is a condition in which there is a partial or complete loss of melanocytes
🗑
|
||||
| carotene | show 🗑
|
||||
| show | (located in erythrocytes flowing through dermal capillaries)
Cyanotic: occurs because hemoglobin is depleted of oxygen; skin appears bluish.
Jaundice: is due to a buildup of the yellow pigment bilirubin the blood.
🗑
|
||||
| show | melanocytes
🗑
|
||||
| Where do they locate? | show 🗑
|
||||
| What would leads to increased production of melanin? | show 🗑
|
||||
| show | is an inherited inability to produce melanin
🗑
|
||||
| What are the functions of the integumentary system? | show 🗑
|
||||
| What are the functions of the integumentary system? | show 🗑
|
||||
| What are the functions of the integumentary system? | show 🗑
|
||||
| show | Subcutaneous (subQ) layer (also called hypodermis) -composed of adipose and areolar connective tissue;
🗑
|
||||
| Subcutaneous(subQ)layer (hypodermis) | show 🗑
|
||||
| Subcutaneous(subQ)layer (hypodermis) | show 🗑
|
||||
| show | Basal Cell Carcinoma
🗑
|
||||
| Basal Cell Carcinoma | show 🗑
|
||||
| show | melanoma
🗑
|
||||
| show | Cancer of melanocytes is the most dangerous type of skin cancer because it is:
Highly metastatic
Resistant to chemotherapy
Melanomas have the following characteristics (ABCD rule)
🗑
|
||||
| show | A: Asymmetry; the two sides of the pigmented area do not match
B: Border is irregular and exhibits indentations
C: Color (pigmented area) is black, brown, tan, and sometimes red or blue
D: Diameter is larger than 6 mm (size of a pencil eraser)
🗑
|
||||
| melanoma | show 🗑
|
||||
| show | YES, all cancers are genetic factors related. it is a genetic factor and environmental factor both play important role for the cancer risks.Ex.mother had breast cancer then daughter will have higher cancer developmental
🗑
|
||||
| show | A: Asymmetry; the two sides of the pigmented area do not match
B: Border is irregular and exhibits indentations
C: Color (pigmented area) is black, brown, tan, and sometimes red or blue
D: Diameter is larger than 6 mm (size of a pencil eraser)
🗑
|
||||
| show | -Tissue damage caused by excessive heat, electricity, radioactivity, or corrosive chemicals that destroy the proteins in the skin cells.
🗑
|
||||
| show | -Involved only the epidermis.
-Mild pain, erythema but no blisters; skin functions remain intact.
🗑
|
||||
| the classification and characteristics of the second degree burns? | show 🗑
|
||||
| the classification and characteristics of the third degree burns? | show 🗑
|
||||
| show | holo=entire.dead cells. is a sebaceous(oil) gland of the skin.Mature cells dies n becomes secretory product->cell division replaces lost cell. p.77
🗑
|
||||
| show | has alive cells. are synthesized on ribosomes attached to rough ER; processed, sorted, n packaged by the Golgi complex; n released from the cell in secretory vesicles via exocytosis. Most exocrine glands of the body are merocrine glands.
🗑
|
||||
| show | accumulate their secretory product at the apical surface of the secreting cell.then that portion of the cell pinches off from the rest of the cell to release the secretion
🗑
|
||||
| show | produce sweat(perspiration), there are two types of sweat glands: eccrine=merocrine sweat glands n apocrine sweat glands
🗑
|
||||
| show | numerous, which have an excretory duct that opens at a pore at the surface of the epidermis; the sweat secreted by these glands helps to cool the body by evaporating, n also eliminates small amounts of wastes.
🗑
|
||||
| show | which are located mainly in the skin of the axilla, groin, areolae(mammary glands) n bearded facial regions of adult males; their excretory ducts open into hair follicles.
🗑
|
||||
| show | this sweat is secreted during emotional stress n sexual excitement; it is commonly called "cold sweat". After puberty stars working
🗑
|
||||
| show | according to number of layers present n cell shapes (in the apical layers). One layer=simple epithelium; more than one layer=stratified; shape of cell & # of layers simple squamous, simple cuboidal, simple columnar, stratified squamous
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
nely.nieto
Popular Anatomy sets