Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy > Basic Fish Anatomy > Flashcards

Basic Fish Anatomy Flashcards

1
Q

What does fusiform external anatomy mean?

A

Torpedo shaped

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What does globiform external anatomy mean?

A

Round shaped

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What does depressiform external anatomy mean?

A

Dorsoventrally flattened

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What does compressiform external anatomy mean?

A

Laterally flattened

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What does sagittiform external anatomy mean?

A

Elongated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What does anguiliform external anatomy mean?

A

Eel shaped

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Is fish skin keratinized?

A

It has minimal keratinization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What specialized cells are in the epidermis?

A

Mucous secreting cells to produce protective mucous layer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is abundant in the dermis?

A

Rich in vessels and fibrous connective
tissue to provide structural support

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are chromatophores?

A

Melanophores, lipophores, erythropores.

(most chromatophores contain pigments that absorb specific wavelengths of light - google)

they let fishies change color!

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are iridophores?

A

Guanophores.

(function as multilayer reflectors - google)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are the four principal types of fish scales?

A
  1. Cycloid
  2. Ctenoid
  3. Placoid
  4. Ganoid
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Describe cycloid scales.

A

Small oval shaped scales with growth rings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Describe ctenoid scales.

A

Small oval scales with growth rings and spines (ctenii) at one edge.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Describe fish muscles.

A

Muscles of fish are layered rather than bundled as in other vertebrates.

Each “layer” is a myotome that is separated by sheet of connective tissue (myosepta).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are the different mouth positions?

A
  • Terminal
  • Subterminal
  • Superior
  • Inferior
17
Q

What are the types of teeth?

A

Teeth are cuspidate, homodont, and polyphyodont.

18
Q

Describe the pharynx.

A

Has both digestive and respiratory functions.

5 pairs of branchial arches with two sets of gill rakers to retain food.

19
Q

What do many species have after the pylorus?

A

Digitiform evaginations = pyloric caeca (up to 1000 depending on species)

20
Q

Describe the liver.

A

One large liver lobe.

21
Q

Describe the pancreas.

A

Pancreas diffuse within mesenteric fat.

22
Q

Describe the heart.

A
  • Morphology varies by species
  • 2 chambered (Atrium and Ventricle)
  • Bulbus arteriosus and sinus venosus
23
Q

What is the total circulating volume of blood?

A

3-4% of body weight.

24
Q

What type of activity does the ventricle have?

A

Phagocytic activity.

25
Q

What are the key features of the vasculature?

A

4 Branchial arteries and renal portal system

26
Q

What kind of exchange occurs between water flow and vasculature?

A

Cross current exchange.

27
Q

What are the segments of the kidney?

A

Anterior (head) and posterior

28
Q

What are the functions of the anterior kidney?

A

hematopoietic and endocrine (adrenal) function

29
Q

What are the functions of the posterior kidney?

A

hematopoietic and excretory function
- Creatinine
- Divalent ions
- Ammonium (NH4)

30
Q

Corpuscles of Stannius function?

A

Aid in serum calcium regulation.

31
Q

Describe the thyroid.

A

Not discrete, found in multiple areas of the body.

32
Q

Where are the adrenal gland elements located?

A

Within the anterior (head) kidney.

33
Q

What areas of the brain are well developed?

A

Olfactory tract and optic lobes.

34
Q

Describe the eyes.

A

Lens is hard and protrudes through iris

35
Q

What do the nares connect to?

A

Paired olfactory sacs.

36
Q

What is the lateral line system?

A
  • Paired sensory organs on head and the lateral aspects of body
37
Q

Neuromasts sense changes in …

A

water pressure.

38
Q

Describe the lateral-acoustic system.

A

No external ears, complex inner ear.

Anatomy (41 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions