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BIO201 Lecture > Histology > Flashcards

Histology Flashcards

1
Q

4 main types of tissues

A

Nervous
Muscle
Epithelial
Connective

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2
Q

Tissue Membranes

A

Connective tissue membrane

Epithelial Membrane

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3
Q

Epithelial shapes

A

squamous
cuboidal
columnar

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4
Q

Epithelial layers

A

Simple

Stratified

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5
Q

Simple

A

1 layer

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6
Q

Stratified

A

Several layers

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7
Q

Simple squamous function

A

Allows for very rapid diffusions
Ability to secrete
Involved in filtration

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8
Q

Simple squamous located

A

Lungs

Lines blood vessels and chambers in the heart

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9
Q

Simple cuboidal function

A

Involved in absorption and secretion
filtration in kidneys
hormone secretion in the ovaries

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10
Q

Simple cuboidal location

A

Sweat and sebaceous glands

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11
Q

Secretion

A

Substance LEAVES cell through exocytosis

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12
Q

Absorption

A

Substance ENTERS the cell through endocytosis

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13
Q

Simple columnar function

A

Highly involved in secretion

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14
Q

Goblet cell

A

Secrete mucous

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15
Q

Simple columnar location

A

Non-ciliated
Lines the stomach, small and large intestine

Ciliated
Fallopian tubes, uterine tubes, lines small bronchi

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16
Q

Cilia

A

Prevents secretion and absorption

Helps move fluids through tissues

17
Q

Pseudo stratified function

A

Tissue protection

Involved in secretion

18
Q

Keratinized stratified

A

Surface has dead squamous cells packed with keratin protein

19
Q

Keratinized stratified

A

Decreases water movement protects against microorganisms epidermis

20
Q

Non-keratinized

A

No surface layer of dead cells

21
Q

Exocrine glands

A

Maintain connection to the surface with a duct

Epithelial tube

22
Q

Endocrine gland

A

Have no duct

Secrete their products directly into the blood stream

23
Q

Name the 2 types of Exocrine Glands

A

Simple (unbranched duct)

Compound (branched duct)

24
Q

Exocrine gland shapes

A

Tubular (long tubes)
Acinar (sacs)
Tubuloacinar (both)

25
Q

Exocrine gland structure

A

Stroma
Septa
Parenchyma

26
Q

Secretion glands (3)

A

Serous glands
Mucous glands
Mixed glands

27
Q

Serous glands

A

Thin, watery secretions

28
Q

Mucous gland

A

Mucin (glycoprotein) is produced

Absorbs to water to from mucous

29
Q

Mixed gland

A

Both serous and mucous cells

30
Q

How they release their substances?

A

Merocrine
Apocrine
Holocrine

31
Q

Merocrine

A

The cell remains intact

32
Q

Apocrine

A

Top (apical) portion of the cell is released

33
Q

Holocrine

A

Cell is destroyed as it releases its products

34
Q

Sebaceous glands

A

Secrete oil are holocrine glands

35
Q

4 main Connective tissues

A

Connective tissue proper
Cartilage
Osseous
Blood

36
Q

Stratified cuboidal location?

A

Ducts of sweat glands, ovarian follicles, and seminiferous tubules

37
Q

Stratified columnar location

A

Lines parts of the urethra and esophageal gland

38
Q

Transitional epithelium location

A

Ureter and bladder

39
Q

Transition epithelium function

A

Stretching allows filling of tissue

BIO201 Lecture (2 decks)

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