Anatomy And Physiology Chapter 9

Front 1

Epithelial tissue is subdivided into two types

Back 1

Glandular and membranous

Front 2

Membranous epithelium covers the body and some of its parts and lines the serous cavities

Back 2

Pleural, pericardial, and peritoneal, the blood and lymphatic vessels, respiratory, digestive and genitourinary tracts

Front 3

Membranous epithelium is often called

Back 3

Surface epithelium

Front 4

Glandular epithelium is grouped in

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Solid cords, or hollow follicles and tubes that form secretory units of endocrine and exorcise glands

Front 5

The most important function of membranous epithelium

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Protection

Front 6

Epithelial structures adapted for sensory functions are found in

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Skin, nose, eye, ear

Front 7

Glandular epithelium is adapted for secretory activity, secretory products include

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Hormones, mucus, digestive juices and sweat

Front 8

The lining epithelium of the gut and respiratory tract allows for the absorption of nutrients from the gut and

Back 8

The exchange of respiratory gases between air in the lungs and the blood

Front 9

The unique epithelial lining of kidney tubules makes

Back 9

Excretion and concentration of excretory products in the urine possible

Front 10

Epithelial tissue generally renew themselves throughout life

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True

Front 11

Epithelial cells exhibit a a characteristic called

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Polarity

Front 12

Polarity means

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Having two opposite faces

Front 13

Basal pole

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Faces underlying connective tissue

Front 14

Apical pole

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At the free surface of the sheet faces outward

Front 15

The basal poles of epithelial cells adhere to an underlying layer of connective tissue by means of an adhesive called

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Permeable layer of ECM called the basement membrane

Front 16

Epithelial tissues contain no blood vessels and therefore is said to be

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Avascular

Front 17

Epithelial cells can reproduce themselves

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New cells can replace old or destroyed epithelial cells in the skin or in the lining of the gut or respiratory tract

Front 18

The shape of membranous epithelial cells may be classified as

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Squamos, cuboidal, columnar, and pseudostratified columnar

Front 19

Squamos means scaly

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Cells are flat and platelike

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Cuboidal cells are

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Cube shaped and have more cytoplasm

Front 21

Columnar epithelial

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Have more height than width and appear marrow and cylindrical

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Pseudostratified columnar epithelium

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Has only one layer of oddly shaped columnar cells

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Simple

Squamous, Cuboidal, Columnar, and Pseudostratified columnar

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Have one layer

Front 24

Stratified

Squamos, Cuboidal, Columnar, Transitional

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Have several layers

Front 25

An arrangement of epithelial cells in a single layer is called

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Simple epithelium

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Stratified epithelium is where

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Epithelial cells are layered one on another

Front 27

Transitional epithelium

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Arrangement of differing cell shapes in a stratified, layered epithelial sheet

Front 28

Simple Squamos epithelium

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Consists of only one layer of flat, scalelike cells and substances can readily diffuse or filter through this type of tissue

Microscopic air sacs (alveoli) of the lungs, linings of blood and lymphatic vessels and surfaces of the pleural, pericardium,peritoneum

Front 29

Blood and lymphatic vessel linings are called

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Endothelium

Front 30

Surfaces of the pleural, pericardium, and peritoneum are called

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Mesothelium

Front 31

Simple cuboidal epithelium

Back 31

Is composed of one layer of cuboidal cells resting on a basement membrane. It is found in the ducts and tubules of other organs such as the kidneys

Front 32

Simple columnar epithelium

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Composes the surface of the mucous membrane that lines the stomach, intestine, uterus and uterine tubes, respiratory tract.

Front 33

Simple columnar epithelium

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Three common modifications are goblet cells, cilia, microvilli

Front 34

Goblet cells

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Have large secretory vesicles that give them the appearance of a goblet. The vehicles contain mucus. Goblet cells produce in great quantity and secrete onto the surface of epithelial membrane

Front 35

Mucus is a solution of

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Water, electrolytes, and proteoglycans

Front 36

cilia are

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Microscopic cell extensions, and they are the sensory organs of a cell that detect changes, and produce movement

Front 37

Microvilli are well suited to

Back 37

Absorb nutrients and fluids from the intestine

Front 38

Pseudostratified columnar epithelium is found lining

Back 38

The air passages of the respiratory system and certain segments of the male reproductive system such as the urethra

Front 39

Stratified squamous epithelium