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Anatomy&Physiology > Ch. 5-8 Integumentary Exocrine Glands > Flashcards

Ch. 5-8 Integumentary Exocrine Glands Flashcards

1
Q

sebaceous (oil) glands

A
  • HOLOCRINE GLANDS
  • SIMPLE BRANCHED ALVEOLAR
  • glands communicate with a single follicle and share a duct*
  • discharge oil lipid secretion onto the hair follicles
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2
Q

sebum

A

Secreted lipid product of sebaceous glands. DIscharged directly onto the skin surface.

– Contains lipids and other ingredients
– Lubricates and protects the epidermis
– Inhibits bacteria

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3
Q

Sebaceous follicles

A
  • large sebaceous glands that are not associated with hair follicles.
  • ducts discharge discharge directly onto epidermis.
  • Face, back, chest, nipples, and external genitalia
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4
Q

structure of sebaceous glands and follicles

A
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5
Q

What are the two types of sweat glands and their locations?

A
  1. Apocrine
    - armpits (axillae), nipples, pubic region
  2. Merocrine (eccrine)
    - numerous and widely distributed
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6
Q

sudoriferous glands

A

sweat glands

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7
Q

sweat glands

A

sudoriferous glands

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8
Q

apocrine sweat glands

A

*** MEROCRINE SECRETION ***

Coiled, tubular glands

– Secrete products into hair follicles

– Produce sticky, cloudy secretions

– Break down and cause odors

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9
Q

myoepitheleal cells

A
  • Special cells that surround the apocrine sweat glands
  • Contract and squeeze causing the discharge of sweat into hair follicles
  • Respond to hormonal or nervous signal
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10
Q

Merocrine (eccrine) sweat glands

A

MEROCRINE
COILED TUBULAR GLANDS

  • Discharge directly onto the skin surface
  • Water secretions
  • Sensible perspiration

FUNCTIONS:

  1. Cooling & Thermal Regulation
  2. Excreting water/electrolytes
  3. Protection - dilute chemicals, flush organisms, produce demicidin - antibiotic peptide
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11
Q

mammary glands

A

related to apocrine glands. Located in integumentary breast tissue.

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12
Q

ceruminous glands

A
  • modified sweat glands in the passageway of the external ear.
  • Secretions combine with sebaceous glands, forming earwax (cerumen)
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13
Q

How are sebaceous and apocrine glands controlled?

A

By the autonomic nervous system. Works simulatenously over entire body.

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14
Q

How are merorcrine sweat glands controlled?

A

independently, locally (sweaty palms)

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15
Q

thermoregulation

A
  • Main function of sensible perspiration
  • Works with cardiovascular system
  • temperature homeostasis
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16
Q

*** MEROCRINE SECRETION ***

Coiled, tubular glands

– Secrete products into hair follicles

– Produce sticky, cloudy secretions

– Break down and cause odors

A

apocrine sweat glands

17
Q
  • Special cells that surround the apocrine sweat glands
  • Contract and squeeze causing the discharge of sweat into hair follicles
  • Respond to hormonal or nervous signal
A

myoepitheleal cells

18
Q

MEROCRINE
COILED TUBULAR GLANDS

  • Discharge directly onto the skin surface
  • Water secretions
  • Sensible perspiration

FUNCTIONS:

  1. Cooling & Thermal Regulation
  2. Excreting water/electrolytes
  3. Protection - dilute chemicals, flush organisms, produce demicidin - antibiotic peptide
A

Merocrine (eccrine) sweat glands

19
Q
  • modified sweat glands in the passageway of the external ear.
  • Secretions combine with sebaceous glands, forming earwax (cerumen)
A

ceruminous glands

Anatomy&Physiology (21 decks)

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