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Comp Vert > Lecture 6 Not complete > Flashcards

Lecture 6 Not complete Flashcards

1
Q

Major functions of the vertebrate integumentary (10)

A

Protection - Coloration - Sensory Reception - Excretion - Gas Exchange - Water Regulation - Temperature Regulation - Food Storage - Nourishment - Locomotion

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2
Q

Coloration of Integumentary System

A

May provide protection by camouflage
Warning signals to other animals
Sexual recognition

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3
Q

Sensory reception function of integumentary system

A

Integumentary system may be densely packed with receptors for touch, pressure, temperature, pain, and/or electromagnetic detection

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4
Q

Gas exchange function of integument

A

Many vertebrates can carry out respiratory gas exchange partly or entirely through integument
Amphioxus - gas exchange occurs almost exclusively through the integument - Gil’s are used for filter feeding

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5
Q

Temperature regulation of integument

A

Especially important in terrestrial vertebrates and marine mammals
Feathers in birds and hairs in mammals assist in temperature regulation
Among many animals, including humans, dilation and contraction of cutaneous blood vessels and associated sweating are important thermoregulatory mechanisms

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6
Q

Protochordate integument

A

Simple epithelium on a layer of simple gelatinous connective tissue
No glands
No dermis or epidermis

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7
Q

Vertebrate integument

A

Stratified squamous epithelium (epidermis) resting on basement membrane resting on dermis

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8
Q

Most constant feature of epidermis - unique to vertebrate integument

A

Stratified squamous epithelium resting on basement membrane resting on irregular connective tissue (dermis)

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9
Q

Terminology used to describe glands (just categories)

A 
Presence or absence of excretory ducts 
Number of Cells
Shape
Type of Secretion 
Mode of Secretion
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10
Q

Exocrine glands

A

Possess one or more excretory ducts and empty their contents into a body cavity or onto a surface

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11
Q

Endocrine glands

A

Lack an excretory duct and empty their contents (hormones) into blood

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12
Q

Gland classification by number of cells (2)

A

Unicellular (goblet cells)

Multicellular

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13
Q

Categorizing glands according to shape

A

Tubular
Aveolar (acinar)
Mixed (tubuloalveolar)

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14
Q

Categorizing glands by type of secretion

A

Mucous

Serous

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15
Q

Categorize glands by mode of secretion

A

Merocrine (eccrine)
Apocrine
Holocrine

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16
Q

List and discuss the major functions of the vertebrate integument

A

ii. Epidermis

iv. Dermis

Comp Vert (7 decks)

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