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Practical 1 A&P > Tissues > Flashcards

Tissues Flashcards

0
Q

Tissue receives and generates nerve impulses.

A

Nervous tissue

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1
Q

Tissue covers surfaces, lines cavities, and forms glands

A

Epithelial tissue

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2
Q

Tissue causes movement

A

Muscle tissue

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3
Q

Is thicker, subject to wear and tear, and forms a protective barrier.

A

Stratified epithelium

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4
Q

The most abundant primary tissue in the body, connects different tissues, provides a framework, resists pulling forces, and protects other tissues.

A

Connective tissue

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5
Q

The thinnest cells, and they have a flattened nucleus.

A

Squamous cells

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6
Q

epithelial tissue with one cell layer is

A

simple epithelium

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7
Q

Cube-like with a round nucleus in the center of the cell.

A

Cuboidal cells

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7
Q

Change shape; the apical cells are cuboidal when the tissue is relaxed and squamous when the tissue is stretched.

A

Transitional cells

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9
Q

epithelial tissue with two or more cell layers is

A

stratified epithelium

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10
Q

gives the illusion of several different layers of cells but is only one cell layer thick

A

Pseudostratified (pseudo- = false) columnar epithelium

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11
Q

Tall with an oval nucleus close to the base of the cell

A

Columnar cells

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12
Q

The hardest connective tissue, protects body organs and provides a framework for movement of muscles

A

Bone tissue

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13
Q

Is the most abundant connective tissue. It contains fibroblasts, all three fiber types, a semi-fluid (viscous) ground substance, and a variety of cells involved in body defenses

A

Areolar connective tissue

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14
Q

In this tissue, the fibers in the extracellular matrix are loosely arranged.

  • Collagen, elastic, and reticular fibers in this tissue provide strength, elasticity, and support.
  • Ground substance is semi-fluid (viscous), but interstitial fluid can easily diffuse through it.
  • Cells that are involved in body defense, such as macrophages, mast cells, and white blood cells, enter connective tissue from blood vessels that traverse through the extracellular matrix.
A

loose connective tissue

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15
Q

These cells synthesize the reticular fibers and the ground substance, are actually fibroblasts, but they synthesize more reticular fibers than collagen fiber

A

Reticular cells

16
Q

These tissues are like areolar connective tissue, contains fibroblasts, fibers, ground substance, and adipose cells. However, these tissue has a greater number of adipocytes (lipid-storing cells) and very little extracellular matrix

A

Adipose (adipo- = pertaining to fat) tissue,

17
Q

provides a selective barrier allowing diffusion, filtration, secretion, or absorption of selected substances.

A

Simple epithelium

18
Q

In this tissue, the extracellular matrix is packed with parallel bundles of collagen fibers that run in the direction of the pulling forces applied to the tissue. Fibroblasts are squeezed between the bundles, and the cytoplasm extends between and around collagen bundles. Collagen fibers give unstained tissue a silvery white appearance, which is why this tissue is often called white fibrous tissue.

A

dense regular connective tissue

19
Q

is a specialized form of connective tissue. Its extracellular matrix consists of collagen and elastic fibers embedded in a firm gelatinous ground substance. Collagen fibers give the tissue its strength, and the ground substance, which binds water to form a firm gel, gives cartilage its resiliency.

A

Cartilage

20
Q

……. is the extracellular matrix, and its fibers are produced and observed only during blood clotting

A

Plasma

21
Q

In this tissue, the extracellular matrix is packed with elastic fibers, and fibroblasts are found in the spaces between these fibers. Elastic fibers allow the tissue to be stretched and then regain its original size and shape (recoil)

A

elastic connective tissue

23
Q

Secrete the fibers and ground substance, become isolated in spaces called lacunae (little lakes), and transform into chondrocytes. Since the tissue is avascular, they receive their nutrients through diffusion from adjacent vascular tissues

A

Chondroblasts (chondro- = cartilage)

24
Q

This cartilage is the most predominant cartilage in the body and contains fine collagen fibers in the extracellular matrix. This cartilage type appears glassy to the naked eye, and under the compound microscope its matrix looks smooth and homogeneous. It contains collagen fibers that are thin and not visible with a compound microscope. The matrix of this cartilage is resilient and firm.

A

Hyaline

25
Q

This cartilage is similar to hyaline cartilage, except the matrix is packed with elastic fibers. The many elastic fibers allow this cartilage to be much more flexible.

A

Elastic

26
Q

This cartilage has fewer lacunae and chondrocytes, and its extracellular matrix is packed with thick collagen fibers that give it tensile strength similar to dense connective tissue. Under the microscope, collagen fibers are the most prevalent structures seen.

A

Fibrocartilage

27
Q

The extracellular matrix of bone tissue is organized in layers called ……. and consists of collagen fibers, ground substance, and inorganic salts.

A

lamellae

28
Q

This tissue, like dense regular connective tissue, has little ground substance and few fibroblasts. The extracellular space is also packed with bundles of collagen fibers with fibroblasts squeezed between these bundles. In this tissue, however, the bundles of collagen fibers are irregularly arranged. This reflects the direction of the pulling forces to which this tissue is exposed, usually from many different directions.

A

Dense irregular connective tissue

29
Q

these (mature bone cells) are trapped in spaces called lacunae.

A

Osteocytes

30
Q

this bone has large spaces compared to compact bone and does not have osteons Instead, the extracellular matrix of this bone is arranged in trabeculae (little beams)—flat plates with a lattice-like network of thin, bony columns

A

spongy

31
Q

The extracellular matrix of this bone is organized into repeating structural units called osteons. In the center of each osteon is a large central canal

A

compact

32
Q

……is composed of red blood cells, white blood cells, platelets, and plasma.

A

Blood

Practical 1 A&P (5 decks)

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