Lap 5: Histology Flashcards Preview

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Flashcards in Lap 5: Histology Deck (20)
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1

Histology

study of tissue structures

2

Transitional Epithelium is ___ (stratified/simple) found in____

stratified; urinary tract, bladder and urethra and changes shape to contract (ex. dome shaped to flat when stretched.

3

Simple Epithelial Tissue have ___ layer (s) and include ___

one layer
1. simple squamous
2. simple cubiodal
3. simple columnar

4

4 types of Tissue

1. connective tissue
2. muscle tissue
3. epithelial Tissue
4. nervous tissue

5

Each tissue has 2 components of ___ and ___

unique tissue type cells; ECM (produced by the cells)

6

ECM (extra cellular matrix) consists of ___ and ___

ground substance; protein fibers

7

Epithelial Tissue

cover and line body surfaces, lining body passageways, body cavities, and forming glands

8

Epithelia contains cells called ___ and ECM in layer called ___

epithelial; basal lamina

9

Basement membrane is made up of

Basal lamina and lamina reticularis

10

Epithelia are vascular or avascular?

Avascular (rely on diffusion from deeper tissues

11

Simple squamous

-flat cells with a flattened nucleus
-found in air sacs of lungs

12

Simple cuboidal

-as wide as they are tall with a round nucleus
-lines glands, kidneys and respiratory tract

13

Simple columnar

-taller than they are wider
-line respiratory passages, digestive tract, and genitourinary tract

14

Stratified epithelium

two or more layers

15

Stratified Keratinized squamous (what are they made up of and found where)

-are keratinized epithelial cells
-well made to resist mechanical stress
-found in outer layer of skin

16

What tissue type is Goblet cells

Simple columnar

17

Stratified Nonkeratinized squamous

- no keratin
-located in areas of less mechanical stress
-located in oral cavity, pharynx, anus, vagina

18

Stratified cuboidal & columnar

-rare
-found lining certain ducts

19

Transitional epithelium is found lining the ___ and ___

urinary bladder; ureters

20

pseudostratified ciliated columnar epithelium has ___ layer (s) and lines ___ (2 locations)

nasal and respiratory tract