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Ccp 6 > TISSUES > Flashcards

TISSUES Flashcards

1
Q

group of cells with similar structure and function

A

Tissues

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2
Q

Study of Tissues

A

Histology

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3
Q

Types of tissues

A

Epithelial
Connective
Muscular
Nervous

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4
Q

Enumerate the cell junctions

A

Tight Junctions
Desmosomes
Adherens
Hemidesmosomes
Gap junctions

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5
Q

Bind adjacent cells together

A

Tight junctions

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6
Q

Example organ that has tight junctions

A

Intestines

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7
Q

Mechanical links that bind cells

A

Desmosomes

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8
Q

Help epithelial surfaces resist separation during contractile activities

A

Adherens

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9
Q

bind cells to the basement membrane

A

Hemidesmosomes

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10
Q

small channels that allow molecules to pass between cells allow cells to communicate and it is the most common

A

Gap junctions

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11
Q

Cadherins

A

Desmosomes
Adherins

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12
Q

Integrins

A

Hemidesmosomes

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13
Q

Connexins

A

Gap junctions

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14
Q

Covers body surfaces and lines hollow organs, body cavities, and ducts

A

Epithelial Tissue

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15
Q

It also forms glands

A

Epithelial Tissue

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16
Q

Allows the body to interact with both its internal and external environments

A

Epithelial Tissue

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17
Q

Hallmarks of epithelial tissues

A

Cover and line boy surfaces
Often form sheets with one free surfaces, the apical surface, and an anchored surface. The basement membrane
Avascular (no blood supply)
Regenerate easily if well nourished

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18
Q

Arrangement of Layers of Epithelial Tissue

A

Simple
Pseudostratified
Straitified

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19
Q

Consists of only a single layer of cells; Secretion, absorption

A

Simpel Epithelium

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20
Q

consists of more than one layer of epithelial cells, with some cells sitting on top of others.

A

Stratified Epithelium

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21
Q

Appeared to be 2 or more layers of cells, some are tall and others are short

A

Pseudostratified Epithelium

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22
Q

Classification of Epithelium Based on Idealized Shapes

A

Squamous
Cuboidal
Columnar
Transitional

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23
Q

cells are flat or scalelike; rapid passage of substances

A

Squamous

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24
Q

are cube-shaped; may have microvilli; secretion and absorption

A

Cuboidal

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25
are tall and thin, cell tends to be taller than they are wide; secretion and absorption; protect underlying tissues
Columnar
26
change shape, from squamous to cuboidal and back, as organs such as the urinary bladder stretch (distend) to a larger size and then collapse to a smaller size
Transitional
27
Major Types of Epithelial Tissues
Simple Squamous Epithelium Simple Cuboidal Epithelium Simple Columnar Epithelium Pseudostratified Columnar Epithelium Stratified Squamous Epithelium Transitional Epithelium
28
consists of more than one layer of cuboidal epithelial cells.
Stratified Cuboidal Epithelium
29
This epithelial type is relatively rare and is found in sweat gland ducts, ovarian follicular cells, and the salivary glands.
Stratified Cuboidal Epithelium
30
It functions in absorption, secretion, and protection.
Stratified Cuboidal Epithelium
31
consists of more than one layer of epithelial cells, but only the surface cells are columnar
Stratified Columnar Epithelium
32
Two major gland types develop from epithelial sheets
Endocrine Glands Exocrine Glands
33
**Ductless** ; secretions (hormones) diffuse into blood vessels Examples: thyroid, adrenals, and pituitary
Endocrine Glands
34
Secretions **empty through ducts** to the epithelial surface Include sweat and oil glands, liver, and pancreas (both internal and external)
Exocrine Glands
35
It is usually characterized by large amounts of extracellular material that separates cells from one another
Connective Tissue
36
Functions of Connective Tissues
Protection Binding Support
37
Characteristics of Connective Tissues
Variations in blood supply Extracellular matrix
38
Some tissue types are well vascularized Some have a poor blood supply or are avascular
Variations in blood supply
39
Nonliving material that surrounds living cells
Extracellular matrix
40
Types of Protein Fibers in Connective Tissues
Collagen Fibers Reticular Fibers Elastic Fibers
41
which resemble microscopic ropes, are flexible but resist stretching.
Collagen Fibers
42
are very fine, short collagen fibers that branch to form a supporting network
Reticular Fibers
43
have a structure similar to that of coiled metal bed springs; after being stretched, they can recoil to their original shape.
Elastic Fibers
44
Adult connective tissue consists of three types:
Connective Tissue Proper Supporting Connective Tissue Fluid Connective Tissue
45
Loose and Dense
Connective tissue proper
46
Cartilage and Bone
Supporting connective tissue
47
fluid connective tissue
Blood
48
consists of relatively few protein fibers that form a lacy network, with numerous spaces filled with ground substance and fluid.
Loose connective tissue
49
Three subdivisions of loose connective tissue are... ?
Areolar Adipose Reticular
50
has a relatively large number of protein fibers that form thick bundles and fill nearly all of the extracellular space.
Dense Connective Tissue
51
There are two major subcategories of dense connective tissue:
Collagenous Elastic
52
provides support, but if bent or slightly compressed, it resumes its original shape.
Cartilage
53
There are three types of cartilage:
Hyaline Fibrocartilage Elastic Cartilage
54
Is specialized for contraction having properties of extensibility, elasticity and contractility. It is highly vascularized and innervated
Muscular Tissue
55
Functions of Skeletal Muscle Tissue
Packaged by connective tissue sheets into skeletal muscles, which are attached to the skeleton and pull on bones or skin Voluntarily (consciously) controlled Produces gross body movements or facial expressions
56
Characteristics of skeletal muscle cells
Striations (stripes) Multinucleate (more than one nucleus) Long, cylindrical shape
57
3 Types of muscle tissue and cell
Smooth muscle Cardiac Muscle Skeletal muscle
58
Consists of two types of principal cells – neurons and neuroglia.
Nervous Tissue
59
Function is to receive and conduct electrochemical impulses to and from body parts
Nervous Tissues
60
Types of impulses from nervous tissues
Irritability Conductivity
61
Composed of neurons and nerve support cells
Nervous Tissue
62
What insulate, protect, and support neurons?
Support cells
63
Support cell is also known as?
Neuroglia
64
Peripheral Nervous System
Satellite Cells Schwann Cella
65
Central Nervous System
Microglia Oligondendrocytes Ependymal cells Astrocytes

Ccp 6 (1 decks)

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