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Biology 102 Lab > Vertebrates > Flashcards

Vertebrates Flashcards

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1
Q

Nostril

A

Nares

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2
Q

Nose

A

Snout

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3
Q

What is the structure of the tongue?

A

Papillae

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4
Q

What is the papillae?

A

The papillae is the structure on the tongue that helps the pig obtain food. It also contains taste buds

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5
Q

What are important aspects of the eyes of fetal pig?

A
  1. Eyes of fetal pig are on the side of the head

2. Eyes of fetal pig contain nictitating membrane

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6
Q

What is the nictitating membrane

A

It is the membrane on the eye of the fetal pig and it helps to moisturize eye and clean it

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7
Q

What are components of the ears of fetal pig?

A

Auricle, outer most ear of the fetal pig

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8
Q

What’s the three major regions of the body

A

Head, trunk and tail

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9
Q

What are the main components of the trunk region

A 
Four appendages
Two forelimbs (anterior)
Two hindlimb( posterior)
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10
Q

What are the components of the pig feet called

A

Hooves

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11
Q

How many hooves does a pig have

A

The pig has 4 hooves

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12
Q

How do pigs walk

A

On their toes

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13
Q

The trunk of the pig is divided into regions? How many regions does it have

A

It has 2 regions or divisions

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14
Q

What are the names of the divisions

A

Thorax and abdomen

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15
Q

Where does the rib cage lie

A

The rib cage lies in the thorax

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16
Q

How does the rib cage emerge

A

It emeralds centrally from the dorsal side of the fetal pig

17
Q

What are ways in which the rib cage is joined in the thorax

A
  1. First seven pairs are joined directly to the sternum of the rib cage
  2. The remaining pairs are joined by connective tissue
  3. Others may be free floating, not connected to anything
18
Q

What is located at the posterior most section of the sternum

A

The xiphoid process

19
Q

What is the function of the umbilical cord

A

The umbilical cord transfers blood front the placenta to the fetus

20
Q

What are the three main vessels of the umbilical cord

A

Arteries, veins and allantoic stalk

21
Q

What is the role of each vessel

A

Arteries- takes blood from fetus to placenta
Veins- take blood from placenta to fetus
Allantoic stalk- takes waste away from fetus

22
Q

What is the mammary papillae

A

Nipples,

Produces milk for offspring

23
Q

What if the periodic functions of the mammary papillae

A
  1. developing during pregnancy

2. Secreting during nursing stage of fetus

24
Q

What is the gestation period of a pig

A

4 months

25
Q

Difference between male and female pig

A

Make - extra layer of skin composed to create the scrotal sacs
Female- a second opening called the gential papilla

Biology 102 Lab (1 decks)

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