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Zoology Lecture > Frog Skeletal System > Flashcards

Frog Skeletal System Flashcards

1
Q

Function of the skeleton of the frog

A

Provide support for the body, protection of the internal organs, and attachment surfaces for muscles

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2
Q

What is the skeleton of the frog consist of?

A

Bony and cartilaginous elements

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3
Q

What is cartilage?

A

It is a tough, elastic connective tissue flounder in the joints, nose, ears, and more. It serves a structural component, providing support and cushioning for these areas.

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4
Q

Mandible

A

Lower jaw

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5
Q

Maxilla

A

Upper jaw

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6
Q

Nose bone

A

Pre-maxilla

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7
Q

Found above the nasal

A

Fronto-parietal

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8
Q

Nasal

A

Front of frog’s head, involves the nostrils

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9
Q

Found between the nasal and fronto-parietal

A

Sphenethmoid

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10
Q

Eye socket

A

Orbital fossa

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11
Q

Beside the auditory capsule

A

Prootic bone

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12
Q

Beside the Auditory Capsule, outside the skull in the temporal region/ Jaw movement

A

Squamosal bone

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13
Q

Inside the mouth, in front of the squamosal and auditory capsule, also jaw movement

A

Pterygoid

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14
Q

Location at the posterior of the skull, they connect the skull and neck

A

Occipital Condyle

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15
Q

A hole between the Occipital condyles

A

Foremen magnum - passageway for the spinal cord

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16
Q

Bumps at the posterior of the skull and houses the occipital condyles

A

Exoccipital

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17
Q

Directly connects the mandible and maxilla

A

Quadrate Cartilage

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18
Q

Located beside and outside the squamosal bone

A

Quadratojugal

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19
Q

Parasphenoid

A

VENTRAL - T-shape Bone

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20
Q

a bone located in the roof of the frog’s mouth, helps in swallowing prey

A

Vomer

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21
Q

between the vomer and sphenethmoid

A

Palatine

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22
Q

Location - Foramen for 5 and 7 nerves

A

Base of Parasphenoid

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23
Q

Location - Foramen for 9 and 10 nerves

A

Beside or on Exoccipital

24
Q

What does the skull consists of?

A

It consists of the cranium, sense capsules, jaws, large orbits, and hyoid

25
Q

What are the three regions of the frog skull?

A

cranium, sense capsules, and jaws

26
Q

Three regions of the Sense Capsules

A

auditory, olfactory, and occipital regions

27
Q

Describe the frog skull

A

triangular in shape, broad, and dorsoventrally flattened

28
Q

The dorsal part of the cranium is formed by the _____. While the ventral part by the ____, and the lateral sides by the _____ bones.

A

Frontoparietal bone, Parasphenoid bone, and Sphenethmoid bones.

29
Q

Posterior part of the cranium is the ___

A

occipital segment

30
Q

The frog skull is ______ due to the presence of paired ______

A

Dicondylic skull, occipital condyles

31
Q

Atlas

A

first cervical vertebra and connects with the occipital condyles of the skull

32
Q

Urostyle

A

Rod-like elongated bone found at the posterior of the vertebra

33
Q

Vertebral column

A

It has 9 vertebrae, very short due to the absence of a neck and tail, movement is limited to the pelvic girdle for jumping

34
Q

U or V-shaped bone connected to the Urostyle

A

Pelvic Girdle

35
Q

Sacrum

A

Wedge shape bone that is made of infused vertebrae bones known as sacral bones

36
Q

Functions of the bones of the limbs

A

Digging, Swimming, Jumping, Climbing

37
Q

Femur

A

long bone of the hindlimb connecting the ilium and tibio-fibula

38
Q

Tibio-Fibula

A

fusion of inner tibia and outer fibula bones

39
Q

Describe the Tarsals

A

The tarsals are divided into the Calcaneum and Astragalus

40
Q

What are the Calcaneum and Astragalus bones?

A

Calcaneum (projecting heel bone) and Astragalus (jointed with the leg bones for stability)

41
Q

Metatarsals

A

Long foot bones reaching the middle part of the foot

42
Q

Phalanges

A

small bones found in the toes of a frog’s hindlimb

43
Q

Wrist bones

A

Carpals

44
Q

Humerus

A

Upper arm region, “S” shaped bone

45
Q

Metacarpals

A

First half of the fingers

46
Q

Radioulna

A

forearm region

47
Q

Scapula

A

shoulder blades

48
Q

one half of the pelvic girdle

A

os-innominatum

49
Q

Deltoid ridge

A

found below the head of the humerus

50
Q

Elbow joint

A

Trochlea

51
Q

Name of the bones between the Metacarpals and radio-ulna

A

Proximal Carpal (close to forearm) and Distal Carpal (Further from forearm)

52
Q

Supra-Scapula

A

Dorsal or behind the scapula

52
Q

What are the parts of the pectoral girdle?

A

scapula, supra-scapula, clavicle, coracoid, and sternum

53
Q

Collar bone of the frog

A

Clavicle

53
Q

found below the clavicle and provides stability to the shoulder region

A

Coracoid

53
Q

Breast bone

A

Sternum

Zoology Lecture (10 decks)

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