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BIOL.2401.V01 > Exam 2 (Ch.4-5) > Flashcards

Exam 2 (Ch.4-5) Flashcards

1
Q

Tactile

A

Sensation

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2
Q

Melanocyte

A

Cells that produce protein called melanin

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3
Q

Keratinocyte

A

Cells that produce keratin

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4
Q

Dendritic Cell

A
  • immune system responders
  • antigen presenting cells that engulf foreign substances and inform immune cells
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5
Q

Layers of Dermis:
Papillary

A

Areolar connective tissue

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6
Q

Layers of Dermis:
Reticular

A

Dense irregular connective tissue

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7
Q

Layers of Epidermis:
Epidermis

A

Stratified squamous epithelia

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8
Q

Layers of Epidermis:
(Outermost - dead) (innermost -healthiest)

A
  1. Corneum
  2. Lucidum
  3. Granulosum
  4. Spinosum
  5. Basale
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9
Q

Melanoma

A

A cancer of the melanocytes (excessively dividing)

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10
Q

Squamous cell carcinoma

A

Spinosum layer of the epidermis is affected and metastatic

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11
Q

Basal Cell Carcinoma

A

Basale layer of the epidermis and the most common and least malignant

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12
Q

Cutaneous Membrane

A

The skin and it’s for protection and provides a barrier

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13
Q

Mucous Membranes

A

Nasal cavity, lungs, and digestive membranes exposed to outside

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14
Q

Serous Membrane

A

Covering of the organs & consists of 2 layers:
- parietal layer (outer layer): attached to wall of the cavity
- visceral layer (inner layer): attached to the organ
In b/w you have a cavity filled with serous fluid to reduce friction

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15
Q

Exocrine Glands

A

Substances exit the tissue so they have duct
- (ex) sweating or sweat glands

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16
Q

Endocrine Glands

A

Ductless, they release substances to the blood
- (ex) hormones

17
Q

Tension Lines

A

Natural lines found on the body that are used by surgeons to reduce scaring and speed up healing process

18
Q

Erythema

A

Redness of skin

19
Q

Pallor

A

Pale

20
Q

Jaundice

A

Yellow cast due to liver dysfunction

21
Q

Cyanosis

A

Blue cause by decreased oxygen

22
Q

Melanin

A

Pigmentation of the skin and UV protection

23
Q

Keratin

A

Protection and water resistance

24
Q

Eccrine

A

Sweat gland

25
Q

Apocrine (ex. armpit)

A

Puberty gland activated by hormones

26
Q

Ways that the glands release substances

A
  1. Holocrine
  2. Merocrine
  3. Apocrine
27
Q

Holocrine

A

Whole cell ruptures
- ex. Lactation

28
Q

Merocrine

A

Substances released by exocytosis

29
Q

Apocrine

A

Just the apex (top) of the cell ruptures

30
Q

Characteristics of Epithelial Tissue:

A
  1. Polarity
  2. Specialized contacts
  3. Regeneration
  4. Supported by connective tissue
  5. Avascular
31
Q

Polarity

A

Contain an apex and basement membrane

32
Q

Specialized contacts

A

Desmosome and right junctions

33
Q

Regeneration

A

Can undergo mitosis to replenish cells

34
Q

Avascular

A

They get nutrients via diffusion

35
Q

Striae

A

Stretch marks caused by damage to dermis when there is a rapid increase in weight

BIOL.2401.V01 (1 decks)

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