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Biology 1114 > Lab 5: Dissection of the Fetal Pig, General Internal Anatomy > Flashcards

Lab 5: Dissection of the Fetal Pig, General Internal Anatomy Flashcards

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1
Q

Urogenital Opening

A

Orifice where urine exits the body.

In Females: located near the genital papilla (which only females have)

In Males: located posterior to umbilical cord

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2
Q

Scrotal Sacs/Swellings

A

Male’s swellings beneath the skin. These pouches will develop into the scrotum and contain the testes.

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3
Q

Periderm/Epitrichium

A

Thin, transparent outer layer of the epidermis that’s shed before birth by the development of hair beneath it

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4
Q

Umbilical Cord

a.k.a., umbilicus

A

Attaches the fetus to the mother’s placenta for nutrient and metabolic waste exchange via the blood. The mother’s and the fetus’s blood never mix.

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5
Q

Anus

A

Where solid waste exits the body.

The end of digestive tract/canal

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6
Q

Thoracic Cavity

A

Contains the Heart and the Lungs

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7
Q

Pericardium

A

Thin protective tissue sac surrounding the Heart

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8
Q

Pleura

A

Thin protective tissue sac surrounding the Lung

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9
Q

Diaphragm

A

Divides the thoracic and abdominal cavities.

Draws air into the lungs.

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10
Q

Liver

A

Removes and stores excess nutrients from the blood, maintains blood sugar levels, detoxifies harmful materials, and produces bile.

Composed of 4 lobes.
Located under the diaphragm and above the stomach.

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11
Q

Spleen

A

Produces lymphocytes ( white blood cell).
Stores and destroys erythrocytes (Red blood cells).
Stores a reservoir of blood.

Long, flat organ near the liver.

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12
Q

Stomach

A

Acidic environment used for the storage and chemical digestion of food.

Located posterior to the liver.

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13
Q

Abdominal Cavity

A

Holds bulk of viscera (internal organs), such as the stomach.

Located beneath the thoracic cavity.

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14
Q

Small Intestine

A

Major site of chemical digestion. Processes carbohydrates, proteins, and fats.

Cpmrised of the Duodenum, the Jejunum, and the Ilium

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15
Q

Duodenum

A

Connects the stomach to the jejunum.
Chemical Digestion

The first potion of the small intestine.

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16
Q

Jejunum

A

Main area of nutrient absorption in the small intestine.

Central section of the small intestine between the duodenum and the ilium.

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17
Q

Ilium

A

Final section of the small intestine.

Absorbs B12 and bile salts.

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18
Q

Pancreas

A

An exocrine and endocrine gland that produces enzymes to break down fats & proteins and secretes hormones to regulate blood sugar

Mass of light yellow tissue that injects enzymes into the duodenum.

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19
Q

Gallbladder

A

Stores bile, a watery green fluid produced by the liver.

Bile breaks down fat.

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20
Q

Bile Duct

A

Carries bile from the liver to the small intestine

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21
Q

Large Intestine

A

Extracts water from feces and returns it to the body.

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22
Q

Colon

A

Posterior portion of the large intestine.
Extracts water and water-soluble nutrients from feces and returns it to the body.
Stores feces

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23
Q

Cardiac End

A

End of the stomach closest to the heart.

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24
Q

Caecum

A

beginning of the large intestine.
Used to store food for microbial breakdown.
Sympleisomorphic character of human appendixes.

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25
Q

Heart

A

Muscle that pumps blood through vessels by rhythmic contractions.

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26
Q

Rectum

A

Stores feces

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27
Q

Epididymus

A

Male organ.

Mass of coiled tubes that comprise and connect the testicles to the vas deferens, stores sperm.

28
Q

Inguinal Canal

A

Male Organ.

Passage into the abdomen that contains spermatic cord.

29
Q

Spermatic Cord

A

Male Organ.
Comprised of the vas deferens and surrounding tissue.
Bundles and protects blood vessels, nerves, and the vas deferens

30
Q

Pelvic Girdle

A

Area of the body enclosed by the pelvis.

Surrounds reproductive organs, and protects lower abdominal organs

31
Q

Urethra

A

Transports urine from the bladder to the urogenital opening.

Tube that connects the bladder to the outside of the body.

32
Q

Testis

A

Male organ.

Produces sperm and testosterone.

33
Q

Vas Deferens

A

Located inside the spermatic cord.

Carries sperm from epidiymis to urethra.

34
Q

Male Reproductive Tract

A

Sperm passes from the Testis&raquo_space; Epipidymis&raquo_space; Vas Deferens&raquo_space; Spermatic Cord&raquo_space; Inguinal Canal&raquo_space; Urethra

35
Q

Ovaries

A

Female Organ.
Resemble small white beans.
Produces eggs.
Produces estrogen, progesterone, and other hormones.

36
Q

Oviduct/Fallopian Tubes

A

Female Organ.
Connects ovaries to the uterus.
Egg transport.

37
Q

Vagina

A

Female Organ.

Leads from the uterus to the exterior of the body.

38
Q

Urogenital Orifice

A

Female organ.

Where urine exits the body.

39
Q

Uterus

A

Female Organ.
Reproductive organ that opens to the cervix and fallopian tubes.
Accepts a fertilized egg.

40
Q

Bulbourethral Cowper’s Gland

A

Male Organ.
White, hard.
Contributes secretions to semen.

41
Q

Urogenital Sinus

A

Female Organ.

Part of the excretory system where urine is stored before it exits the body.

42
Q

Uterine Horns

A

Female Organ; Pigs only.
Points where the uterus and fallopian tubes meet.
Site of pig fetal development.

43
Q

Bladder

A

Stores and collects urine produced by the kidneys.

44
Q

Kidney

A

Maintain homeostatic balance of body fluids.
Filters blood to remove waste.
Regulates blood pressure.
Bean-shaped.

45
Q

Ureter

A

Ducts from kidneys to the bladder.
Urine transport.
White tubes

46
Q

Urethra

A

Tube that connects bladder to outside the body.

Urine transport.

47
Q

Pathway of Egg in Female PIG Body

A

Ovaries&raquo_space; Fallopian Tube&raquo_space; Uterine Horn&raquo_space; Uterus&raquo_space; Vagina (birth)

48
Q

Pathway of Urine

A

Kidney&raquo_space; Ureter&raquo_space; Bladder&raquo_space; Urethra

49
Q

Thymus

A

Produces T cells.
Part of immune system.
Long gland

50
Q

Thyroid

A

Endocrine gland that controls metabolism, hormonal sensitivity, and calcium regulation

51
Q

Trachea

A

Airway for oxygen and carbon dioxide exchange from body to environment.

52
Q

Larynx

A

Voice box; generates sound

53
Q

Parotid Gland

A

Largest salivary gland.

Secretes Saliva, begins carbohydrate digestion.

54
Q

Sublingual Gland

A

Secretes Saliva, begins carbohydrate digestion.

55
Q

Submaxillary Gland

A

Secretes Saliva, begins carbohydrate digestion.

56
Q

Buccal Cavity

A

Mouth, used to intake food.

57
Q

Epiglottis

A

Entrance to the glottis.

Prevents food from entering the larynx when swallowing.

58
Q

Esophagus

A

Muscular tube that carries food to stomach.

59
Q

External Nares

A

Opening to outside of the snout for oxygen exchange.

60
Q

Glottis

A

Space between the vocal cords used in producing sound.

61
Q

Larynx

A

Voice box.

Sound production.

62
Q

Nasopharynx

A

Open cavities in the nose

63
Q

Nostrils

A

Opening for the oxygen and carbon dioxide to pass through.

64
Q

Pharynx

A

Passageway for air and food.

65
Q

Soft Palate

A

Boneless tissue on the roof of the mouth.

Biology 1114 (21 decks)

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