Ch 3- Tissues

Question 1

A sheet of cells that covers an exposed surface or lines an internal cavity or passageway

Answer 1

Epithelial tissue

Question 2

Secretory structures derived from epithelia

Answer 2

Glands

Question 3

What are some important characteristics of epithelia?

Answer 3

Cellularity, polarity, attachment, avascularity, whether they are arranged into sheets or layers, and regeneration

Question 4

What are the functions of epithelial tissue?

Answer 4

Provide physical protection, control permeability, provide sensation, produce specialized secretions

Question 5

What maintains the integrity of the epithelium?

Answer 5

Intercellular connections, attachment to the basal lamina, and epithelial maintenance and renewal is self-perpetuated

Question 6

What does “simple epithelium” mean?

Answer 6

Is only one cell layer thick

Question 7

What does “stratified epithelium” mean?

Answer 7

Is multiple cell layers thick

Question 8

Squamous epithelia is shaped how?

Answer 8

Square and flat

Question 9

Epithelium that reduces friction, controls vessel permeability, and performs absorption and secretion in ventral body cavities, heart and blood vessels, kidney tubules, lining of cornea and alveoli of lungs

Answer 9

Simple squamous epithelium

Question 10

Epithelium that provides physical protection against abrasion, pathogens, and chemical attack in surface of skin, lining of mouth, throat, esophagus, rectum, anus, and vagina

Answer 10

Stratified squamous epithelium

Question 11

Cuboidal epithelia is shaped how?

Answer 11

Short and square like cubes

Question 12

Epithelium that provides limited protection, secretion, and absorption, In glands, ducts, portions of kidney tubules and thyroid gland

Answer 12

Simple cuboidal epithelium

Question 13

Epithelium that protects, secretes, absorbs, in the lining of some ducts (it’s rare) (sometimes in sweat glands)

Answer 13

Stratified cuboidal epithelium

Question 14

Columnar epithelia is shaped how?

Answer 14

Into long columns

Question 15

Epithelium that protects/secretes/absorbs in lining of stomach, intestine, gallbladder, uterine tubes, and collecting ducts of kidneys

Answer 15

Simple columnar epithelium

Question 16

Epithelium that protects small areas of the pharynx, epiglottis, anus, mammary gland, salivary gland ducts, and urethra

Answer 16

Stratified columnar epithelium

Question 17

Epithelium that protects and secretes. Within the lining of the nasal cavity, trachea, bronchi, and portions of the male reproductive tract

Answer 17

Pseudostratified ciliated columnar epithelium

Question 18

Epithelium that permits expansion and recoil after stretching within the urinary bladder; renal pelvis; ureters

Answer 18

Transitional epithelium

Question 19

Glands that discharge their secretions onto an epithelial surface

Answer 19

Exocrine glands

Question 20

Ductless glands that release their secretion directly into the interstitial fluids, lymph, or blood

Answer 20

Endocrine glands

Question 21

Exocrine glands are classified into what three categories?

Answer 21

Types of secretion, structure of gland, and mode of secretion

Question 22

Glands whose glandular cells form tubes are called what?

Answer 22

Tubular

Question 23

Glands whose glandular cells form blind pockets are called what?

Answer 23

Alveolar or acinar

Question 24

Intestinal glands are what type?

Answer 24

Simple tubular

Question 25

Merocrine sweat glands are what type?

Answer 25

Simple coiled tubular

Question 26

Gastric glands, and mucous glands of the esophagus, tongue, and duodenum are what type?

Answer 26

Simple branched tubular

Question 27

Glands found in the development stage of simple branched glands

Answer 27

Simple alveolar (acinar)

Question 28

Sebaceous (oil) glands are what type?

Answer 28

Simple branched alveolar

Question 29

Mucous glands (in mouth), bulbo-urethral glands (in males) and testes (seminiferous tubules) are what type?

Answer 29

Compound tubular

Question 30

Mammary glands are what type?

Answer 30

Compound alveolar (acinar)

Question 31

Salivary glands, glands of respiratory passages, and pancreas are what type?

Answer 31

Compound tubuloalveolar

Question 32

What are the mechanisms of glandular secretion?

Answer 32

Merocrine, apocrine, and holocrine

Question 33

What are examples of connective tissues?

Answer 33

Bone, fat, blood

Question 34

What are the three basic components of connective tissues?

Answer 34

Specialized cells, extracellular protein fibers, and a fluid known as ground substance

Question 35

Connective tissues are classified into which categories?

Answer 35

Connective tissue proper, fluid connective tissues, and supporting connective tissues

Question 36

Stationary cells involved primarily with local maintenance, repair, and energy storage within connective tissue proper is known as what?

Answer 36

Fixed cells

Question 37

Cells that defend and repair damaged tissue within connective tissue proper is known as what?

Answer 37

Wandering cells