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Anatomy > Chapter 3 Tissues PP bolded words > Flashcards

Chapter 3 Tissues PP bolded words Flashcards

1
Q

What is a tissue?

A

many cells that act and/or look similar that do the same thing

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2
Q

several different tissues working together make up an…?

A

an organ

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3
Q

what is the study of tissues?

A

Histology

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4
Q

what are the four primary tissue types?

A
  1. ) Epithelial
  2. ) Connective
  3. ) Muscle
  4. ) Neural
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5
Q

What are the 6 characteristics of epithelial tissue?

A
  1. ) Cellularity
  2. ) Polarity
  3. ) Attachment
  4. ) Avascularity
  5. ) Regeneration
  6. ) Covers all body surfaces (Arranged into sheets or layers)
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6
Q

What are the 4 functions of epithelial tissue?

A
  1. ) Provides protection
  2. ) Control permeability
  3. ) Provide sensation
  4. ) Produce specialized secretions
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7
Q

What does cellularity mean in relation to epithelial tissue?

A
  • There is little or no intercellular space between the cells in epithelial tissues
  • no matrix between cells
  • connected by junctions
  • may contain fluids (even be water tight)
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8
Q

What does avascularity mean in relation to epithelial tissue?

A
  • There are no blood vessels found in epithelial tissue

- nutrients are supplied through blood in the underlying tissue (diffusion across the apical or basal surfaces)

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9
Q

What are the three different classifications of epithelia?

A

Simple
Stratified
Pseudostratified

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10
Q

What are the four different epithelial cell shapes?

A

Squamous
Cuboidal
Columnar
Transitional

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11
Q

What is the structure, function, and location of simple squamous cells?

A

Structure: One layer of thin, flat, irregular cells
Function: Diffusion, secretion to reduce friction
Location: serous membranes, blood vessels, lungs, kidney tubules

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12
Q

What is the structure, function, and location of simple cuboidal cells?

A

Structure: one layer, hexagonal box-shaped cells
Function: absorption, secretion, limited protection
Location: Glands, ducts, kidney tubules

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13
Q

What is the structure, function, and location of simple columnar cells?

A

Structure: one layer, hexagonal column-shaped cells
Function: protection, absorption, secretion
Location: stomach, intestine, gallbladder, uterine tubes

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14
Q

What is the structure, function, and location of pseudostratified columnar cells?

A

Structure: one layer, multishaped cells, nuclei at varied heights
Function: protection, secretion
Location: respiratory tract, male reproductive tract

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15
Q

What is the structure, function, and location of stratified squamous cells?

A

Structure: thin, flat, irregular cells
Function: protection against frequent abrasion
Location: skin, mouth, throat, esophagus, rectum, anus, vagina

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16
Q

What is the structure, function, and location of stratified cuboidal cells?

A

Structure: multiple layers, hexagonal shaped boxes
Function: secretion
Location: Rare; sweat gland ducts

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17
Q

What is the structure, function, and location of stratified columnar cells?

A

Structure: multiple layers, hexagonal column-shaped cells
Function: protection, secretion
Location: Rare; pharynx, epiglottis, anus, glands

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18
Q

What is the structure, function, and location of transitional cells?

A

Structure: multiple layers, can change shape
Function: expansion and recoil without tearing
Location: urinary bladder, renal pelvis

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19
Q

what is a gland?

A

epithelial cells that are aggregated together to produce a specific product

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20
Q

where do exocrine glands secrete?

A

into ducts that open on a surface

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21
Q

where do endocrine glands secrete?

A

into tissue fluid or blood

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22
Q

what is the name for the cell that creates a unicellular exocrine gland?

A

goblet cell

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23
Q

describe secretory sheets

A

multicellular gland
one large sheer covering a surface
rarely have ducts or pockets

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24
Q

describe multicellular simple glands

A 
have one distinct duct with outpocketing
defined by the number and shape of these pockets:
1.) tubular: elongate
2.) coiled: winds
3.) alveolar: lobed 
(look at slide for pictures)
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25
describe multicellular compound glands
have many distinct ducts with outpocketing defined by the number and shape of these pockets: 1.) tubular: elongate 2.) coiled: winds 3.) alveolar: lobed
26
Merocrine glands secrete product via__________
exocytosis (vesicles within cytoplasm bring product to the surface)
27
what is an example of a merocrine gland?
salivary glands
28
describe apocrine glands and give an example
pinching off if a cell portion where the product is within this portion an example is mammary glands
29
describe holocrine glands and give an example
product accumulates in cytosol; cell ruptures and becomes the product
30
Name 6 general traits of connective tissue
1. ) most abundant 2. ) multiple functions 3. ) spread apart 4. ) able to reproduce 5. ) well nourished; good blood supply 6. ) vary in structure
31
All connective tissue is derived from what cells?
mesenchymal cells
32
connective tissue is composed of 2 things. what are they?
extracellular matrix and cells that produce the matrix
33
give three characteristics of the extracellular matrix
1. ) secreted by cells 2. ) protein fibers 3. ) ground substance (consistency varies from liquid to gel to solid)
34
name some functions of connective tissue
``` bind structures support and protection fill spaces store fat produce blood repair damage protect against infection transport fluids and dissolved materials ```
35
Connective Tissue Proper is connective tissue with cells and fibers in_______________________
gel like ground substance
36
What are the three loose connective tissues?
areolar, adipose, reticular
37
what are the three dense connective tissues?
regular, elastic, irregular
38
For the major cell types of the CTP, what are the 5 fixed cell types?
``` mesenchymal fibroblasts (produce protein fibers) fixed macrophages (white blood cells that consume damaged cells and invaders) adipocytes (fat cells) melanocytes (produce melanin) ```
39
For the major cell types of the CTP, what are the 2 types of Wandering cells? briefly describe them
Free Macrophages: white blood cells consume damaged cells and invaders Other White Blood Cells: secrete histamine; produce antibodies; consume damaged cells and invaders
40
What are some characteristics of Collagen fibers? | Where are they found?
- 25% of protein in your body - the collagen protein is arranged into thick fibers - tough, resistant to pull, yet pliable (strong, not stiff) - formed from the protein collagen - found in bone, cartilage, tendons, ligaments
41
What are some characteristics of Elastic fibers? | Where are they found?
- formed from the proteins elastin and fibrillin - smaller diameter fibers than collagen - rubbery, resilient - can stretch up to 150% of relaxed length and return to original shape - found in the lungs, blood vessels, skin
42
what are reticular fibers formed of? describe what they look like where are they found?
- formed from the protein collagen - thin, branched (network-like) fibers that form framework of organs - spleen, lympth nodes, basal lamina
43
What is the structure, function, and location of Areolar CT?
structure: loosely arranged fibers, mast cells, macrophages, fibrocytes, adipocytes function: hold skin to underlying organs; fill spaces between muscles location: digestive, respiratory, and urinary tract; BV's, nerves, joints, around and between skeletal and smooth muscle, hypodermis of skin
44
What is the structure, function, and location of adipose CT?
Structure: mostly adipocytes Function: cushions joints, insulation, store energy, support Location: Hypodermis, between muscles, around kidney, behind eye, joints, abdominal membrane, surface of heart
45
What is the structure, function, and location of reticular CT?
Structure: fibroblasts, reticular fibers in 3D web Function: support tissue in walls of organs Location: lymphoid organs, liver, and spleen
46
What is the structure, function, and location of dense regular CT?
Structure: many collagen fibers densely packed, parallel, little open space Function: reinforces structures in one direction Location: tendons and ligaments **almost all protein fibers collagen is rope-like tension in one direction
47
What is the structure, function, and location of dense irregular CT?
Structure: same as regular except no pattern Function: reinforces in several directions Location: dermis, joint capsules, capsules of organs **tension in many directions located also in whites of eyes
48
What is the structure, function, and location of elastic CT?
Structure: elastic fibers in parallel strands or branched networks; fibroblasts Location: between vertebrae, walls of hollow organs Functions: provide elasticity (hollow organs=lungs, etc)
49
What are the two types of Fluid Connective Tissue?
Blood and Lympth
50
blood has a liquid matrix... what is this called?
the plasma
51
What are the three blood cell types?
red blood cells (erythrocytes) white blood cells (leukocytes) cell fragments (platelets)
52
what does blood do?
provide clotting, immune functions, carry oxygen and carbon dioxide
53
What does Supporting Connective Tissue do? | What are two examples?
provide a framework that supports the rest of the body examples: cartilage and bone **bone is brittle but sturdy
54
What makes up membranes?
epithelial and connective tissue
55
what do membranes do?
form barriers | cover and protect
56
What are four membrane types?
Mucous Serous Cutaneous Synovial
57
What do Mucous membranes do? | Where are they located?
line passageways open to exterior; it is a protective barrier out of cells (mucous) (goblet) Located in respiratory passages, mouth, digestive tract
58
mucous membranes contain________ tissue
areolar
59
how many layers thick is the mucous membrane? is it alive or dead?
mostly if not totally alive and 1-5 layers thick depending on location
60
What makes up the Serous membrane? what do they do?
simple squamous mesothelium; secretes watery fluid | *these membranes are not exposed to wear and tear and they are not exposed to food. the cells are very small and thin
61
Where is the serous membrane located?
lining of pleural (lung) cavity, abdominopelvic cavity, scrotal cavity and pericardial cavity
62
give 6 characteristics of the cutaneous membrane
1. ) skin 2. ) covers the body (always exposed to outside world) 3. ) waterproof 4. ) thick 5. ) dry 6. ) oily
63
Are most of the cells in the cutaneous membrane alive or dead?
dead
64
Where are Synovial Membranes located? | What do they produce and why?
- located in joint cavities - produce synovial fluid to lubricate joints and promote smooth movement * made up of simple squamous cells * separates joint from the rest of the body
65
Starting at the skin and working deeper into the body, what are the three fasciae?
superficial fascia deep fascia subserous fascia
66
What type of tissue is the superficial fascia made up of?
areolar tissue and adipose tissue
67
What are the two other names for the superficial fascia?
subcutaneous layers | hypodermis
68
What makes up the deep fascia?
dense CT sheets
69
what does the deep fascia do?
binds to tendons, capsules, and bones
70
Where does the deep fascia lie?
between the superficial fascia and the muscle layer
71
Where does the subserous fascia lie?
between the serous membranes and the deep fascia
72
What makes up the subserous fascia? | What does it bind to?
areolar CT sheet | binds to serous membranes
73
What are general characteristics of muscle tissue?
contractile elastic extensible excitable **create tension
74
What are the three types of muscle tissue?
Skeletal Cardiac Smooth
75
What is the structure, function and location of skeletal muscle tissue?
Structure: large, cylindrical muscle fibers, multinucleated, striated, has satellite cells Function: voluntary control of skeleton, controls opening into digestive system, heat generation Location: skeletal muscles (with connective/nervous tissue)
76
What is the structure, function and location of cardiac muscle tissue?
Structure: unicellular branched cardiocytes, uninucleate, striated, involuntary Function: Heartbeat Location: Heart **difficult for heart to not beat in single unit
77
What is something similar between the cardiac muscle tissue and the skeletal muscle tissue? difference?
both have the same striation however muscle tissue is long strings of fibers and cardiac is webs with branches
78
What is the structure, function, and location of smooth muscle tissue?
Structure: short, tapered cells, uninucleated, Non-striated, Involuntary, can divide and regenerate Function: Involuntary control of respiratory, digestive, and circulatory systems Location: lines tracts, BVs, and hollow organs
79
Which muscle tissues are really good at reproducing? | Which cannot reproduce?
Good= Smooth | Cannot=Skeletal
80
Which muscle tissue makes up the majority of muscle mass?
Skeletal
81
What are the two cell types of Nervous Tissue? | What do they do?
Neurons: transmit impulses for cell communication Neuroglia: Support, nourish, and protect neurons

Anatomy (23 decks)

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