Terminology and Chapter 1 Flashcards

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1
Q

Define Dorsal.

A

Pertaining to the back or upper side.

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2
Q

Defien Ventral.

A

Pertaining to the belly or underside.

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3
Q

Define Medial.

A

Pertaining to to the medial plane or midline.

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4
Q

Define Lateral.

A

Pertaining to the left or right side.

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5
Q

Define Proximal.

A

Referring to the part of the structure closest to the main mass.

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6
Q

Define Distal.

A

Referring to the part of th estructure furthest from the main mass.

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7
Q

Defne Cephalic.

A

Pertaining to the head.

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8
Q

Define Cephalad.

A

Toward the head.

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9
Q

Define Cervical.

A

Pertaining to the neck.

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10
Q

Define Thoracic.

A

Pertaining to the chest.

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11
Q

Define Lumbar.

A

Pertaining to the posterior part of the trunk.

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12
Q

Define Caudal.

A

Pertianing to the tail.

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13
Q

Define Transverse.

A

The plane passing through body from the dorsal to ventral at right angles to the long axis.

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14
Q

Define Sagittal.

A

The plane of the body passing from dorsal to ventral parallel with the long axis.

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15
Q

Define Frontal.

A

The plane passing from side to side, in parallel with the dorsal surface, dividing the body into dorsal and ventral parts.

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16
Q

Define Metamere.

A

One of a longitudinal series of similar sections.

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17
Q

Define Parietal.

A

Pertaining to the wall of the body

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18
Q

Define Visceral.

A

Pertaining to the viscera, especially the organs within the bodies cavities.

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19
Q

What limits the form that any vertebrate can take?

A

The endowments handed down by remote ancestors.

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20
Q

Define Larva.

A

A young organism that feeds itself, but does not fully resemble its parents and is not sexually mature.

21
Q

What is a lamprey?

A

The adult form of an ammocoete. It is slender and elongate with out fins or jaws. It lives as a parasite.

22
Q

What are some features limited to the Sub-Phylum of Chordata Verebrates?

A
  1. A brain, which is an anterior enlargement of the nerve chord.
  2. A blood pumping organ, the heart, situated ventral to the gut.
  3. A closed blood system consisting of arteries and veins connected by capillaries.
  4. Red blood corpuscles containing hemoglobin.
  5. A tail extending beyond the anus.
23
Q

Define Histology.

A

Microscopic Anatomy

24
Q

What are the three sections of the Ammocoetes brain?

A

The Forebrain, the midbrain, and the hindbrain.

25
Q

What are the three parts of the forebrain?

A

The telencephalon, the diencephalon, and the mesencephalon.

26
Q

What seperates the midbrain from the hindbrain?

A

The dorsal fissure.

27
Q

What is another name for the hindbrain?

A

The Rhombencephalon

28
Q

What represents the ears of Ammocoetes?

A

Otic Vesicles

29
Q

Where are the otic vesicles and what do they look like?

A

They are large translucient chambers on either side of the rhomencephalon.

30
Q

What partially encloses the oral cavity?

A

Two flaps enclose the oral cavity to form the oral hood.

31
Q

What is at the back of the oral cavity?

A

Oral Papillae

32
Q

What suspended structures in the mouth propel water down the pharynx?

A

the velum

33
Q

What is another name for the pharynx?

A

The foregut

34
Q

What are the functions of the pharynx?

A

respiration and nutritient absorbtion

35
Q

What is the structure of the pharynx?

A

It is made up of a series of gills with clefts to allow water in.

36
Q

How many Gill Septa are there? How many gills?

A

Check specimen

37
Q

What seperates one gill chamber from the next?

A

Septa

38
Q

What is on the posterior and anterior sides of the septa?

A

Gill filaments

39
Q

What is the name of the structure below the anterior part of the pharynx and what is its function?

A

This structure is called the endostyle, and its function is to produce mucus and take up iodine.

40
Q

What does the posterior region of the pharynx open up into?

A

The posterior portion of the pharnyx opens up into the esophogus.

41
Q

What is ventral to the esophagus?

A

the heat and liver

42
Q

What structure is contained within the liver?

A

gallbladder

43
Q

Where does digestion and absorption take place?

A

the intestine

44
Q

what partially fill the cavity of the intestine?

A

the spiral valve

45
Q

What is above the esophagus and the intestine?

A

the large posterior cardinal veins

46
Q

What tructure is closely associted with the cardinal veins?

A

the kidney

47
Q

What is the only visible part of the musculature visible in whole mounts?

A

The myotomes

48
Q
A