Tissues Flashcards

(46 cards)

1
Q

Epithelial tissue

A

A tissue that covers the surface of the body and lines the ducts, vessels, and other body cavities

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2
Q

Function of epithelial tissue

A

Protection, absorption, filtration and secretion

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3
Q

What is epithelial tissue made of

A

Continuous sheets of connected cells

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4
Q

What are the three basic cell shapes

A

Squamous, cuboidal, and columnar

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5
Q

Epithelial tissue is

A

Avascular

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6
Q

Simple epithelial tissues have

A

One cell layer

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7
Q

Functions of simple epithelial tissue cells

A

Filtration, absorption, and secretion

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8
Q

Stratified epithelium tissue cells have

A

Two or more cell layers

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9
Q

Functions of stratified cell

A

Protection

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10
Q

Simple squamous epithelium function and location

A

Function: filtration
Location: lawn tissue and capillary blood vessels

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11
Q

Simple cuboidal

A

Function: secretion
Location: kidney tubules and glands

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12
Q

Simple columnar

A

Function: absorption and secretion
Location: entire digestive tract

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13
Q

Pseudostratified columnar

A

Function: absorption and secretion
Location: most of the respiratory tract

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14
Q

Simple columnar has

A

Microvilli

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15
Q

Pseudostratified columnar has

A

Cilia

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16
Q

Stratified squamous

A

Most common type of stratified epithelium

Location: esophagus, mouth, and skin

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17
Q

Stratified cuboidal and stratified columnar

A

Extremely rare

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18
Q

Stratified transitional

A

Location: in the urinary system, bladder, uterus

Function: allows cells to move so that tissue can stretch

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19
Q

Goblet cells

A

Cells that make and secrete mucus protein

20
Q

Goblet cells are in what tissues

A

Simple columnar, pseudostratified columnar

21
Q

Connective tissue

A

Connects different body parts: most abundant tissue

22
Q

Connective tissue functions

A

Protecting, supporting, and binding together body tissues

23
Q

General structure of connective tissue

A
  1. Vascular (good blood supply)

2. Surrounded by ECM

24
Q

Structure of the ECM

A

Ground substance composed mainly of water plus proteins and polysaccharides.
(Collagen and elastin)

25
ECM proteins are connected to the cell membranes by
Integrin proteins
26
Seven types of connective tissue
Bone, dense fibrous tissue, blood, reticular tissue, cartilage, loose connective tissue, hematopoietic
27
Bone structure and function
Structure: concentric circles that are bound together by a calcified ECM Function: support
28
Cartilage tissue is more flexible than bone because it has
Less calcification
29
Structure and function of cartilage tissue
Structure: made primarily of collagen protein Function: provide structure with flexibility
30
Three types of cartilage tissue
Hyaline, elastic and fibrocartilage
31
Hyaline cartilage
Abundant collagen fibers in a matrix with a classy, smooth appearance
32
Hyaline cartilage locations
Larynx, trachea, sternum, surfaces of bones at the joints
33
Fibrocartilage
Compact cartilage: between the vertebral disks of the spine
34
Elastic cartilage
Very loose, flexible cartilage: ear
35
Dense fibrous connective tissue
Forms parallel bundles of strong rope like fibers
36
Structure and function of DFCT
Structure: tightly woven, very compact collagen fibers; few cells Function: forms the ligaments, tendons and dermis layer of skin
37
Loose connective tissue
Tissue that is less tightly compacted and organized
38
Structure and function of loose connective tissue
Structure: has fewer collagen fibers than other tissues and contains more cells Function: provides packaging, cushioning, and storage
39
Two types of loose connective tissue
Areolar and adipose
40
Areolar tissue
Structure: has collagen fibers interspersed and a watery, gel like matrix Location: Lungs, attaches skin to tissues, surrounds blood vessels Functions: packages organs and provides a storage site for water, salts and minerals
41
Adipose tissue: fat
Structure: plump sells filled with fat droplets; cells appear empty Function: stores fats and cushions organs
42
Blood or vascular tissue
Only fluid tissue | Function: connects organs to each other for nutrient flow; has liquid ECM
43
Hematopoietic
Bone marrow; contains stem cells and is the site for red blood cell formation
44
Reticular tissue
Contains interwoven reticular fibers that form a base of support Location: lymph nodes and spleen
45
Three types of muscle tissue
Cardiac, smooth, and skeletal
46
Nervous tissue
Regulates and controls bodily functions and activity; the brain and spinal cord