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A and P > Week 2 Lab Ch 6 Histology > Flashcards

Week 2 Lab Ch 6 Histology Flashcards

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0
Q

Name three functions of the epithelial tissue

A 
Covers 
Lining (respiratory tract)
Secretes (stomach lining)
Absorbs (intestine)
Forms glands ( sweat glands)
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1
Q

Name the 4 types of tissue

A

Epithelial connective muscle nervous

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2
Q

Epithelial cells are open to

A

Free space

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3
Q

Epithelial tissue is

A

Avascular

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4
Q

Epithelial cells are able to

A

Regenerate

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5
Q

Epithelial cells are attached to

A

Basement membrane

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6
Q

Name the three types of epithelial tissue

A

Squamous cuboidal columnar

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7
Q

If epithelial tissue is simple how many layers does it have

A

One layer

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8
Q

If epithelial tissue is stratified how many layers does it have

A

More then one layer

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9
Q

These cells look multilayered but they are just one cell thick squished together

A

Pseudostratified columnar

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10
Q

Name an example of pseudo stratified columnar

A

Goblet cells

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11
Q

Where are goblet cells and what do they produce

A

In trachea and produce mucous

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12
Q

This type of epithelial tissue looks like all different types of cells mixed together for the purpose of stretching

A

Transitional

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13
Q

Give an example of transitional epithelial tissue

A

Stratified squamous in bladder

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14
Q

Type of gland where secretions are released into the blood stream

A

Endocrine

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15
Q

Give an example of an endocrine secretion

A

Hormones

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16
Q

This type of gland secretes through a duct to a body cavity or onto the surface

A

Exocrine

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17
Q

Give an example of an exocrine secretion

A

Sweat

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18
Q

Most abundant tissue type

A

Connective

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19
Q

Give 5 functions of the connective tissue

A 
Bone
Blood 
Fat
Cartilage 
Ligaments
Collagen
Support
Protects
Blood transport 
Stores energy 
Insulates 
Protects
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20
Q

Connective tissue is derived from

A

Mesenchyme

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21
Q

Connective tissue is all vascular except

A

Tendons and ligaments

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22
Q

Connective tissue cells are surrounded by

A

Matrix

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23
Q

Name the 4 connective tissue proper

A

Loose areolar
Adipose
Reticular
Dense regular

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24
Loose areolar is
Gel like
25
Adipose is
Fat
26
Reticular tissue is found in
Organs that filter lymph and blood example spleen and lymph nodes
27
Dense regular tissue are
Tendons and ligaments ( very tough and strong straight lines )
28
Name the 4 classifications of connective tissue
Connective tissue proper Bone Cartilage Blood
29
What makes up blood
``` White and red blood cells And plasma ( liquid matrix) ```
30
What is the functions of muscle tissue
Movement
31
Name the three types of muscle tissue
Skeletal Smooth Cardiac
32
What are some characteristics of skeletal muscle
Voluntary connected at bone and multinucleated ( striped/ striated ) (bacon)
33
What are some characteristics of cardiac muscle
Involuntary intercalated disks striations | Looks branched and striped
34
What are intercalated disks
Allows heart to beat as 1 unit connects muscles
35
What are some characteristics of smooth muscle
Involuntary internal organs not striated
36
What is the function of nervous tissue
Generates electrical impulses to conduct information throughout the body
37
Name the two types of nervous cells
Neuron and neuroglial | Neuron big blob with tail glial cells tiny dots
38
What is the purpose of neurons
Conducts impulses
39
What is the purpose of neuroglial cells
Support neurons
40
Name the two structures of skin
Epidermis and dermis
41
What is the epidermis
Superficial layer (epithelial tissue 5layers )
42
What is the dermis
Deeper connective tissue | Glands nerves blood vessels
43
What are the five layers of the epidermis from deepest to top
``` Stratum basale Stratum spinosum Stratum granulosum Stratum lucidum Stratum corneum ```
44
Describe the stratum basale
Deepest layer of epidermis Mitosis (single layer of cells) Melanocytes
45
What are melanocytes
Produce melanin- color pigment | On a slide they done have color only their nucleus will have color the rest will be clear
46
Describe the stratum spinosum
2 layer of epidermis Spiny filaments Keratinocytes
47
What is keratinocytes
Produces keratin (elastic strong and water proof) protective protein found in all 5 layers
48
Describe stratum granulosum
3 layer of epidermis cells contain abundant keratin granules, 2-3 layers of cells, very dark in color, are dying( have lots of keratin)
49
Describe stratum lucidum
4 layer of epidermis single layer of transparent cells ( sometimes there depends on how thick the skin is- hands and feet)
50
Describe stratum corneum
Superficial (top layer) of epidermis, keratinized and dead
51
What are the two layers of the dermis
Papillary and reticular
52
Describe papillary layer
Top layer of dermis, had dermal papillae that extend into the epidermis
53
Describe reticular layer
Bottom layer of dermis | Contains blood vessels, nerves and glands
54
Name the four structures found in the skin
Hair follicle Arrector pili muscle Cutaneous glands Sensory receptors
55
What is the Arrector pili muscle
Smooth muscle that surrounds hair and causes goose bumps
56
What are the two types of cutaneous glands?
Sebaceous and sweat
57
What is produced by the sebaceous gland
``` Hair grease( sebum) Looks like big roundish ball of cells near hair follicle ```
58
What are the two types of sweat glands
Eccrine and apocrine
59
What is produced by the eccrine gland
Type of sweat gland (cutaneous) produces clear perspiration onto surface of skin They are two cuboidal layered holes small lumen
60
What is produced by apocrine glands
Types of cutaneous sweat glands that forms milky scented secretions. Empties into hair follicle ( axillary/ genitals) produces the smell. Big lumen single layered
61
Name two types of sensory receptors
Meissner's corpuscle and pacinian corpuscle
62
What is the meissner's corpuscle
Sensory receptor found in the dermis but at it's surface- soft touch receptor (Looks like bean with zigzag in middle)
63
What is the pacinian corpuscle
Sensory receptor for deep pressure found deep in dermis | Looks like an onions

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