What is white fat What are the cells called What does white fat function in

-like areolar tissue but with greater nutrient storage -adipocytes -scanty matrix -richly vascularized Functions in shock absorption, insulation, and energy storage

Use lipid fuels to heat bloodstream rather than to produce ATP, as does white fat

what does Loose reticular connective tissue physically resembles What are fibroblast cells called

physically resembles areolar tissue, but fibers are thinner reticular fibers instead are called reticular cells -secrete reticular fibers made up of thin collagen

what does Reticular fibers form

form a mesh-like stroma that acts as a support for blood cells in lymph nodes, spleen, and bone marrow

Dense regular connective tissue are

very high tensile strength; can withstand high tension and stretching Closely packed bundles of thick collagen fibers run parallel to direction of pull

Dense regular connective tissue fibers appear as

white structures, have great resistance to pulling, fibers slightly wavy, so stretch a little Fibroblast manufacture collagen fibers and ground substance Very few cells and ground substance poorly vascularized ex: tendons and ligaments

Dense irregular connective tissue has

the same elements as dense regular, but bundles of collagen are thicker and irregular arranged forms sheets rather than bundles resists tensions from many directions

Where are dense irregular connective tissue found

found in dermis, fibrous joint capsules, fibrous coverings of some organs

In dense elastic connective tissue some ligaments are Where are dense elastic connective tissue also found

very elastic ex: ligaments connecting adjacent vertebrae must be very elastic Also found in walls of many large arteries -arteries need to stretch when blood enters and recoil to push blood out

Cartilage is Where are chondrocytes found

matrix secreted from chondroblasts (during growth) and chondrocytes (adults) Chondrocytes are found in cavities called lacunae 80% water, with packed collagen fibers and sugar proteins(chondroitin and hyaluronic acid)

Cartilage is Avascular but

tough yet flexible material that lacks nerve fibers receives nutrients from the membrane surround it (perichondrium) -the perichondrium also gives rise to chondroblasts and chondrocytes

Hyaline cartilage connective tissue is

most abundant "gristle" appears as shiny blush glass found at tips of long bones, nose, trachea, larynx, and cartilage of the ribs

Elastic cartilage connective tissue

like hyaline but with more elastic fibers found in ears and epiglottis

Fibrocattilage connective tissue are

properties between hyaline and dense regular tissue strong, so found in areas such as intervertebral discs and knee

What is bone connective tissue also called What does bone connective tissue do

also called osseous tissue supports and protects body structures stores fat and synthesizes blood cells in cavities has more collagen compared to cartilage has inorganic calcium salts

What's the difference between osteoblasts and osteocytes What are osteons

Osteoblasts produce matrix, osteocytes maintain the matrix osteocytes reside in cavities in matrix called lacunae Osteons are the cylindrical, individual structural units -richly vascularized

Blood connective tissue is What are the most common cell type What does blood connective tissue also contains

the most atypical connective tissue because it is fluid -consists of cells surround by matrix(plasma) Red blood cells (erythrocytes) are most common cell type Also contains white blood cells (leukocytes) and platelets (thrombocytes)

In blood connective tissue fibers are Where does blood connective tissue function

Fibers are soluble proteins that precipitate during blood clotting Functions in transport and in carrying nutrients, wastes, gases, and other substances

Muscle tissues are What does muscle cells posses

highly vascularized responsible for most types of movement Muscle cells possess myofilaments made up of actin and myosin proteins that bring about contraction

What are the three types of muscle tissue

skeletal muscle, cardiac muscle, smooth muscle

Skeletal muscle tissue is What are the cells called and how do they appear

attached to and causes the movement of bones also called voluntary muscles -skeletal muscles can be consciously controlled Cells are called muscle fibers -contain multiple nuclei -appear striated of banded

Where are cardiac muscle tissue found

found only in walls of heart -involuntary muscle Like skeletal muscle, contains striations; but cells have only one nucleus

In cardiac muscle tissue cells can What are intercalated discs

cells can have many branches that join branches of other cardiac cells intercalated discs are special joints where cardiac cells are joined

Where is smooth muscle tissue found What is smooth muscle tissue

found mainly in walls of hollow organs (other than heart) involuntary muscle has no visible striations spindle-shaped cells with one nucleus

What is nervous tissue

the main component of nervous system(brain, spinal cord, nerves) -regulates and controls body functions

What two specialized cells are nervous tissue made up of

neurons, supporting cells/ neuroglia

specialized nerve cells that generate and conduct nerve impulses

Supporting cells/ neuroglia

support, insulate, and protect neurons

Coverning and lining membranes are composed of

at least two primary tissue types: an epithelium bound to underlying connective tissue proper layer

What are the three types of covering and lining membranes

cutaneous membranes, mucous membranes, serous membranes

What are cutaneous membranes

-another name for skin kertainized stratified squamous epithelium (epidermis) attached to a thick layer of connective tissue (dermis) Unlike other membranes, skin is a dry membrane (it is exposed to air rather than being bathed in secretions)

in Mucous Membranes mucosa indicates Mucous membranes are also called

indicates location, not cell composition also called mucosae -line body cavities that are open to the exterior (example: digestive, respiratory, urogenital tracts)

In Mucous membrane moist membranes are

bathed by secretions (or urine) Epithelial sheet lies over layer of loose connective tissue called lamina propria may secrete mucus

What are serous membranes also called and where are they found

also called serosae, and found in closed ventral body cavities

Serous membranes are constructed

constructed from simple squamous epithelium (called mesothelium) resting on thin areolar connective tissue

serosae line internal body cavity walls

what are cavity between layer filled with is serous membranes

filled with slippery serous fluid, so these are moist membranes

in serous membranes what are the special names given to show location

pleurae(lungs) pericardium(heart) peritoneum(abdomen)

Tissue B Flashcards

Student preview

47 questions

Show all answers

1.

FLASHCARD QUESTION

Front

The four main classes of connective tissue are

Back

connective tissue proper, cartilage, bone, blood

2.

FLASHCARD QUESTION

Front

Connective tissue tissue proper consists of all connective tissues except

Back

bone, cartilage, and blood

3.

FLASHCARD QUESTION

Front

The two subclasses of connect tissue proper are

Back

loose connective tissues, and dense connective tissue

4.

FLASHCARD QUESTION

Front

CT proper: loose connective tissue has

Back

Areolar, Adipose, Reticular

5.

FLASHCARD QUESTION

Front

CT proper: dense connective tissues has

Back

dense regular, dense irregular, elastic

6.

FLASHCARD QUESTION

Front

Loose areolar connective tissue is

what does Loose areolar connective tissue supports

Back

most widely distributed CT

supports and binds other tissue

Universal packing material between other tissues

7.

FLASHCARD QUESTION

Front

Loose Areolar connective tissue contains

What does loose fibers allow

What are contained in spaces

Back

Contains fibroblasts that secrete loose arrangement of mostly collagen fibers

Loose fibers allow for increased ground substance, which can act as water reservoir by holding more interstitial fluid

Macrophages and fat cells are contained in spaces

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