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Flashcards in Anatomical Terms Deck (46):
1

Ammocoete

Larval lamprey

2

Basal

Toward body/base

3

Branchial groove

Groove along which the gill openings are aligned in lampreys

4

Branchiostegal membranes

Extend below the opercles and connect at the throat

5

Branchiostegal ray

Splint-like bone in branchiostegal membrane

6

Caudal penducle

Slender part of body between anal and caudal fin

7

Circumoral teeth

Teeth in adult lampreys surrounding the throat opening

8

Ctendoid Scales

Scales with minute spines...not smooth to the touch

9

Cycloid scales

Smooth, round scales that lack minute spines

10

Epi-

above

11

Falcate

Pertaining to fins in which medial rays are shorter than anterior or posterior rays creating a distinctly concave margin

12

Frenum

Small bridge of tissue binding snout to medial portion of premaxilla of upper jaw

13

Gill rakers

Series of projections along anterior edge of gill arches that project into throat cavity

14

Gular area

Underside of head, including chin

15

Gular plate

Bony plate in throat of some primitive fishes

16

Hyoid

Series of bones anterior to the gill arches and extending forward in floor of the mouth

17

Hyoid teeth

Teeth attached to hyoid (tongue)

18

Imbricate

overlapping

19

Infra-

Below

20

Infraorbital canal

Canal below the eye

21

Intra-

Within

22

Inter-

Between

23

Isthmus

Place of attachment of gill membranes to breast

24

Lateral field

Area of scales between anterior and posterior fields

25

Mandible

Lower jaw

26

Mandibular pores

Series of pores on the ventral surface of mandible

27

Maxillary

Upper jaw

28

Myomeres

Dorsoventrally oriented muscle bundle on side of fish

29

Mysoseptum

Junction between myomeres

30

Palatine Teeth

Small teeth just posterior to medial vomer

31

Papilla

Round fleshy protuberance

32

Papillose

Bearing papilla

33

Parr marks

Square of oblong marks on the sides of juvenile trout or salmon

34

Peritoneum

Lining of abdominal cavity

35

Pharyngeal teeth

Teeth arising from the last gill arch

36

Plicate

Having parallel fleshy ridges and grooves as in the lips of some suckers

37

Premaxilla

Anterior bone of upper jaw

38

Preopercular-mandibular (POM) canal

Pores found on the ventral anterior margin of the mandible

39

Procurrent rats

Small splint-like rays at origin of fin

40

Pseudobranchium

Small patch of gill filaments attached to the inside surface of gill cover

41

Radii

Nonconcentric lines radiating from the focus on scales

42

Rudimentary rays

Small undeveloped rays

43

Stellate

Star shaped with few to many radiating points

44

Supratemporal canal

Canal across back of the head

45

Vomer

Median bone in the roof of the mouth

46

Vomerine teeth

Small densely aggregated teeth in roof of mouth