Necturus Quiz

Question 1

how many kinds of vertebrae are there

Answer 1

4

Question 2

cervical vertebra; atlas

Answer 2

cervical = neck

Question 3

occipital condyles

Answer 3

articular surface of exoccipital bones

Question 4

trunk vertebra

Answer 4

rib-bering vertebrae

Question 5

centrum

Answer 5

a substantial part; forms immediately around the notochord

Question 6

neural arch

Answer 6

arch of bone that surrounds spinal cord

Question 7

neural process (spine)

Answer 7

midline extension of neural ach

Question 8

prezygapophysis

Answer 8

(pre=before; zygo = 2; pophysis = projection) – a pair of projections pointing forward

Question 9

postzygapophysis

Answer 9

a pair of projections pointing behind

Question 10

transverse process

Answer 10

lateral projection, articulates with rib if present

Question 11

sacral vertebra

Answer 11

a single vertebra with ribs modified to unite with the pelvis

Question 12

caudal vertebra

Answer 12

(caudal = tail) vertebra that comprise the tail; no ribs; have hemal arch

Question 13

hemal arch

Answer 13

(hemal = blood) the arch surrounds caudal artery and vein ribs

Question 14

tuberculum

Answer 14

(= small projection) the dorsal of 2 projections of the rib

Question 15

capitulim

Answer 15

(=head) the ventral of 2 projections of the rib

Question 16

sternum

Answer 16

(=chest) a ventral midline bone, but not present in Necturus

Question 17

pectoral girdle

Answer 17

the support mechanism that ties the limb to the trunk of the body

Question 18

coracoid

Answer 18

the ventral cartilage that points to the midline

Question 19

procoracoid

Answer 19

(pro=before, forward) ventral cartilage that points anteriorly

Question 20

scapula

Answer 20

(=shoulder) lateral bone

Question 21

suprascapular cartilage

Answer 21

extension of the bony scapula

Question 22

glenoid fossa

Answer 22

(glenoid = socket; fossa = depression) depression in scapula for articulation with humerus

Question 23

humerus

Answer 23

bone in brachium

Question 24

radius

Answer 24

the medial of 2 bones in the antebrachium

Question 25

ulna

Answer 25

the lateral of 2 bones in the antebrachium

Question 26

manus

Answer 26

(=hand)

Question 27

carpals

Answer 27

6 cartilages that form from the wrist (carpus)

Question 28

metacarpals

Answer 28

bones that form the bulk of the manus; one for each digit

Question 29

phalanges

Answer 29

4 digits are present (#2-5) #4 has 3 phalanges, the others have 2 each

Question 30

pelvic girdle

Answer 30

the support mechanism that ties the limb to the trunk of the body

Question 31

acetabulum

Answer 31

(=vinegar cup) socket for articulation with the head of the femur

Question 32

pubis

Answer 32

anterior cartilage that meets its partner at the ventral midline

Question 33

ischium

Answer 33

posterior bone that meets its partner at the ventral midline

Question 34

obdurator foramen

Answer 34

large hole for passage for obturator nerve

Question 35

ilium

Answer 35

lateral bone that meets the sacral vertebra

Question 36

pelvic canal

Answer 36

the tunnel through which the abdominal viscera pass to the cloaca

Question 37

femur

Answer 37

bone of the thigh

Question 38

tibia

Answer 38

the medial of 2 bones in the shank

Question 39

fibula

Answer 39

the lateral of 2 bones in the shank

Question 40

pes

Answer 40

(=foot)

Question 41

tarsals

Answer 41

6 cartilages that form the ankle (tarsus)

Question 42

metatarsals

Answer 42

bones that form the bulk of the pes; one for each digit

Question 43

phalanges

Answer 43

4 digits are present (#2-5) #4 has 3 phalanges, the others have 2 each

Question 44

premaxilla

Answer 44

the maxilla is a bone in some other animals; tooth-bearing

Question 45

vomer

Answer 45

(=plowshare) this wedge shaped bone is a tooth-bearing bone of the upper jaw

Question 46

palatopterygoid

Answer 46

(ptery = wing) flares out laterally to join the squamosal bone; tooth-bearing bone

Question 47

squamosal

Answer 47

(squamous - scale-like) this bone looks like a fish scale in humans

Question 48

frontal

Answer 48

forms the upper face

Question 49

parietal

Answer 49

(=wall)

Question 50

parasphenoid

Answer 50

(along side of the sphenoid) this large bone forms the roof of the mouth

Question 51

dentary

Answer 51

forms the lateral surface of the mandible; tooth bearing

Question 52

prearticular

Answer 52

forms the medial surface of the mandible

Question 53

coronoid

Answer 53

usually a major bone in the mandible; medial surface of the mandible; tooth-bearing

Question 54

ethmoid

Answer 54

tiny bone/cartilage that forms the roof of the mouth; anterior-most part of chondocranium

Question 55

exoccipital

Answer 55

(exo=outside) are lateral to the foramen magnum, the opening for the spinal cord

Question 56

prootic

Answer 56

(pro = in front of, otic = ear) the front part of the otic capsule

Question 57

opisthotic

Answer 57

(opistho=behind, otic = ear) the back part of the otic capsule

Question 58

columella (hyomandibula)

Answer 58

(= little column) is named for its shape - its vibrations are transferred to the inner ear. In animals, this is the stapes

Question 59

quadrate

Answer 59

this and the articular form the hinge of the jaw

Question 60

articular

Answer 60

this and the quadrate form the hinge of the jaw

Question 61

hyoid apparatus

Answer 61

cartilage, so many not be present -- forms anchor for tongue medially, and for gills laterally

Question 62

which part of the pectoral girdle forms a joint with the axial skeleton?

Answer 62

clavicle and innerclavicle

Question 63

compared to the standard tetrapod skill that you learned about today, what bone/cartilage of the chondrocranium is missing in Necturus

Answer 63

maxillae

Question 64

what 3 bones make up the roof of the mouth and also the base of the braincase

Answer 64

parasphenoid, vomer, ethmoid

Question 65

what 2 bones represent the homologu=ous of the 1st pharyngeal arch

Answer 65

quadrate, articular

Question 66

what 1 bone represents the homologous of the 1st pharyngeal arch

Answer 66

columella

Question 67

what 2 bones of the lower jaw have teeth

Answer 67

dentary, coronoid

Question 68

what 2 bones form the jaw joint

Answer 68

quadrate, articular