Internal surfaces Flashcards

1
Q

What is a mucous membrane?

A

Epithelia lining the lumen of a tube (That opens to the exterior)
Layer of connective tissue called lamina propria

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2
Q

What is a serous membrane?

A

2 part membrane that lines closed body cavity (epithelium and connective tissue layer)

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3
Q

What does serous membranes line?

A

Peritoneum
Pleural sacs
Pericardium

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4
Q

What epithelia does the Ectoderm develop into?

A

Epidermis of skin

Corneal epithelium of eye

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5
Q

What epithelia does the Mesoderm develop into?

A

Epithelium or Urogenital tract
Blood vessel lining
Serous membrane sacs

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6
Q

What epithelia does the Endoderm develop into?

A

Epithelia of respiratory tract
GI tract
Liver
Glands

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7
Q

What is the Basement membrane?

A

Thin layer between epithelia and connective tissue

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8
Q

Where can you find simple squamous epithelia?

A

Blood and lymph vessel linings
Alveoli
Bowman’s capsule
Loop of Henle

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9
Q

What is the function of simple squamous epithelia?

A

Lubrication
Gas exchange
Barrier

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10
Q

Where can you find simple cuboidal epithelia?

A

Thyroid follicles
Small ducts of exocrine glands
Kidney tubules

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11
Q

What is the function of Simple cuboidal epithelia?

A

Absorption
Secretion
Barrier
Hormone synthesis and storage

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12
Q

Where can you find simple columnar epithelia?

A

Stomach lining
Small intestine & colon
Uterus

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13
Q

What is the function of simple columnar epithelia?

A

Absorption
Secretion
Lubrication
Transport

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14
Q

Where can you find Pseudostratified epithelium?

A

Lining of nasal cavity
Trachea
Bronchi
Lacrimal sac

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15
Q

What is the function of Pseudostratified epithelium?

A

Secretion
Absorption
Mucus secretion
Particle trapping & removal

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16
Q

Where can you find stratified squamous non keratinized epithelium?

A

Oral cavity
Vagina
Surface of cornea

17
Q

What is the function of stratified squamous non keratinized epithelium?

A

Protect against abrasion

Reduces water loss, but stays moist

18
Q

Where can you find stratified squamous keratinized epithelium?

A

Surface of the skin

Little in the oral cavity

19
Q

What is the function of stratified squamous keratinized epithelium?

A

Protect against trauma
Prevents water loss
Prevents microbes
Protects against UV

20
Q

Where can you find transitional epithelium?

A

Ureter
Urethra
Bladder

21
Q

What is the function of transitional epithelium?

A

Distensibility

Protect of underlying tissue from underlying tissue

22
Q

Where can you find simple columnar epithelium with microvilli?

A

Intestine

23
Q

What is the function of simple columnar epithelium with microvilli?

A

Increases surface area for absorption