Brainscape's Knowledge GenomeTM

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


See full index

VETAN QUIZ > Topic # 9 > Flashcards

Topic # 9 Flashcards

1
Q

The digestive system consists of

A

the mouth (oral cavity);
pharynx,
esophagus,
stomach;
and small intestine;
colon and cecum;
rectum; anal canal; and the liver,
pancreas, and salivary glands

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

The oral cavity is derived from , a depression of surface ectoderm cranial
to the pharynx

A

stomodaeum

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

The stomodaeum is separated from the foregut (pharynx) by the

A

oral plate or
oropharyngeal membrane

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

. At of chick embryo the stomodaeum
deepens following rupture of oral plate, to form the oral cavity that communicates w/ the
pharynx.

A

72 hrs of incubation

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

Structures Associated with the Oral Cavity (Mouth)
The structures associated with the oral cavity are the

A

lips, gums, teeth, tongue and
salivary glands.

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

is derived from maxillary process of VA 1 and medial nasal processes that form

A

Palate

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

two palatine primordia:

A

primary palate and secondary palate.

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

Formation of the primary palate occurs as follows

A

The right and left medial nasal processes

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

fused in the midline to form a small triangular
medial palatine process (primary palate) that becomes the

A

incisive bone

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

Formation of the secondary palate occurs as follows:, which meet at the midline, merging dorsally with the nasal septum and
rostrally with the primary palate.

A

lataral
palatine processes

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

Rostral two-thirds of the secondary palate ossifies to become
the that separates the nasal and oral cavities.

A

hard palate

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

Caudal third of the secondary
palate does not ossify and become the that divides the pharynx into dorsal
nasopharynx and ventral oropharynx.

A

soft palate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
  • cleft palate caused by failure of the median palatine process (primary
    palate) and the lateral palatine processes (secondary palate) to close along the midline,
    leaving a gap or cleft
A

Palatoschisis

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

are derived from the stomodeal ectoderm.

A

Lip and gums

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

They are formed as follows:
In the ectoderm lining the stomodeal cavity, an arc of the thickened ectoderm, the

A

labiogingival lamina

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

The lamina invaginates into
underlying ectomesenchyme, forming a

A

labiogingival groove

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Tissue external to the groove forms the lip, and tissue medial to the groove forms the

A

gingiva

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Fusion of upper and lower lips caudally
forms .

A

cheeks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

An arc of periodically thickened ectoderm, situated
inside of the labiogingival lamina, constitutes the

A

dental lamin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Dental lamina invaginates to
form

A

dental bud.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Each
bud assumes a cup-shaped configuration becoming an

A

enamel organ

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Ectomesenchyme within the concavity of the enamel organ forms a

A

dental papilla

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

The concave epithelial layer of the enamel organ induces ectomesenchyme of the dental
papilla to form an epithelial layer of that deposit the dentin of the tooth

A

odontoblasts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

surrounding the enamel organ condenses into a dental sac

A

Ectomesenchyme

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Ectomesenchyme surrounding the enamel organ condenses into a dental sac that
gives rise to three layers:

A

Outer cells of dental sac
Middle layer of dental sac
Inner cells of the sac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

differentiates into osteoblasts that deposit bone of the
alveolus (socket receiving the tooth)

A

Outer cells of dental sac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

differentiate into fibroblasts, that secrete collagen
fibers to form periodontal ligament that anchors the tooth within the
alveolar socket.

A

Middle layer of dental sac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

become cementoblasts that secrete cementum (modified
bone) that adheres to the surface of the tooth, particularly the dentin
surface of the root of the tooth.

A

Inner cells of the sac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

develops from four swellings (2 distal, 1 median and 1 proximal tongue
swellings) situated on the floor of the pharynx.

A

Tongue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

The body of the tongue arises predominantly from
median tongue swelling or (ectomesenchyme of VA1)

A

tuberculum impar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

The root of the tongue is formed by the (ectomesenchyme of VA3) and covered by endoderm of the pharynx
(foregut)

A

proximal
swelling or copula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

are derived from stomodeal ectoderm

A

Salivary glands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

is derived from the cranial part of the foregut.

A

pharynx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

becomes the remaining small intestines (caudal duodenum, jejunum and
ileum), cecum, ascending colon, and part of the transvers colon

A

Midgut

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

becomes transverse and descending colon and a cloaca which forms the
rectum and most of the anal cana

A

Hindgut

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

The foregut becomes flattened or compressed laterally and presents in sequence 5
bilateral outpocketings of its endoderm to form the walled in by a series
of visceral arches

A

pharyngeal pouches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

A midline evagination of the floor of the pharynx gives rise to the

A

laryngotracheal groove.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

MALFORMATIONS OF PHARYNGEAL POUCHES

A

Brachial cyst
Brachial sinus-
Brachial fistula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

epithelial-lined brachial cavity that does not open unto the skin surface.( no
opening)

A

Brachial cyst-

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

epithelial-lined brachial cavity that opens unto the skin surface or into the
pharyngeal pouch. (one opening

A

Brachial sinus-

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q
  • epithelial-lined brachial cavity that opens to both the skin surface and the
    pharyngeal pouch. (two openings).
A

Brachial fistula

42
Q

develops from a tubular segment of the Foregut, Caudal to the
Pharynx

A

Esophagus

43
Q

Development of Stomach

A

A. Simple Stomach
B. Ruminant Stomach -

44
Q

is present in most domestic mammals. This develops from a tubular
segment of foregut caudal to the esophagus.

A

Simple Stomach -

45
Q

= left of the midline

A

Cardiac end

46
Q

= right of midline

A

Pyloric end

47
Q

Two rotations are involved:

A

First rotation is 90⁰
2nd rotation is also 90

48
Q

Greater omentum becomes folded creating a blind cavity called the

A

omental bursa

49
Q

the peritoneal cavity via an opening the (foramen of Winslow).

A

gastroepiploic foramen

50
Q
  • consists of three compartments (rumen, reticulum, and omasum)
    and one glandular compartment (abomasum
A

Ruminant Stomach

51
Q

The develops as an expansion of the fundus

A

rumen

52
Q

of the developing rumen forms the reticulum.

A

caudoventral pocket

53
Q

The develops
as a bulge (ventral sac) along the lesser curvature

A

omasum

54
Q

The intestinal tract consists of the [duodenum (divided into descending and
ascending regions),

A

small intestine

55
Q

[colon (divided into ascending,
transverse, and desce

A

large intestine

56
Q

The small intestine is derived from the (cranial duodenum) and (caudal
duodenum, jejunum and ileum).

A

foregut and midgut

57
Q

the dorsal mesentery that suspends the
expands and the right vitelline artery (adult cranial mesenteric artery)
courses through it

A

intestinal loop

58
Q

After the loss of the yolk stalk the intestinal loop rotates around
the cranial mesenteric artery to form the root of the mesentery.

A

360⁰ twice

59
Q

The cranial limb of the loop
expands to form the coiled .
The caudal limb of the loop becomes

A

jejunum

60
Q

The of the loop becomes the ileum and gives off the cecum

A

caudal limb

61
Q

The caecum and colon show extensive developmental changes in different species of
domestic animals, except

A

dog and cat.

62
Q

dog and cat the is small and coiled.

A

caecum

63
Q

ruminants the caecum is and dilated and located on the right side of dorsal
abdomen.

A

straight

64
Q

In the the caecum enlarges so that the proximal colon is incorporated within the cecum.
The cecum is located on the right side of the abdomen.

A

horse

65
Q

Among the different parts of the colon, the shows the most extensive
change

A

ascending colon

66
Q

of ascending colon of ascending colon forms distal to the cecum:

A

secondary loop

67
Q

In the secondary loop coil forming the spinal colon which is shaped like a
pyramid in pig and like a coiled rope in ruminant

A

pig and ruminant

68
Q

is the terminal part of the hindgut, a chamber that communicates with the
digestive, urinary and genital systems.

A

cloaca

69
Q

The caudal wall of the cloaca is formed by

A

cloacal membrane

70
Q

a septum formed by
the apposed endoderm of the hindgut and of the proctodaeum.

A

surface ectoderm

71
Q

is the depression of the surface ectoderm under the root of
the tail and is the counterpart of stomodeum in the oral region

A

proctodeum

72
Q

The derived from the cloaca

A

rectum

73
Q

of the anal canal (most of the canal) is formed with the rectum; part
of the anal canal is lined by a mucosal epithelium derived from endoderm.
o The caudal part of the anal canal is derived from the proctodaeum it is

A

cranial part

74
Q

Tissues surrounding the anal membrane grows caudally creating a depression
called the .

A

proctodeum

75
Q

carnivores, lateral diventicula of proctodeum ectoderm become

A

anal sacs

76
Q

arises as a hepatic diverticulum of endoderm from the region of foregut that
will become descending duodenum.

A

liver

77
Q

develops at the end of the cystic duct.

A

gallbladder

78
Q

One diverticulum (ventral pancreatic diverticulum) arises ventrally as a bud of the hepatic
diverticulum, it forms .

A

the pancreatic duct and right lobe of the pancreas

79
Q

The other diverticulum (dorsal pancreatic diverticulum) arises dorsally from the duodenum
(minor duodenal papilla) and forms the accessory

A

pancreatic duct and the left lobe of the
pancreas.

80
Q

*As the right and left lobes cross one another during development, they fuse to form the body
of the

A

pancreas

81
Q

the duct system anastomose to form a

A

common bile duct.

82
Q

, which develops as a diverticulum of the esophagu

A

crop

83
Q

A two compartment stomach:

A

Proventriculus
Ventriculus or gizzard

84
Q

are formed by splanchnic mesoderm when the embryonic gut is created as the
embryo assumes a tubular shape

A

Mesenteries

85
Q

is separated from somatic mesoderm by the embryonic coelom

A

Splanchnic mesoderm

86
Q

develops within the greater omentum.
As the midgut elongates and rotates around the

A

spleen

87
Q

MALFORMATION OF THE DIGESTIVE SYSTEM

A

Meckel’s diverticulum

Atresia of the jejunum, ileum, colon, rectum

Atresia ani or imperforate anus

Urorectal Fistula

Umbilical hernia

88
Q

– an appendix-like remnant of the yolk stalk that persist, may cause
inflammation and rupture resulting in colic with peritonitis.

A

Meckel’s diverticulum

89
Q

– a lack of epethilial canalization and gut
wall development.

A

Atresia of the jejunum, ileum, colon, rectum

90
Q

failure of anal membrane to break and remain patent .
Caused by lack of involution of the cloacal membrane and leads to fetal feed impaction

A

Atresia ani or imperforate anus –

91
Q

abnormal developed of urorectal folds that allows communication
between the rectum and urogenital sinus

A

Urorectal Fistula –

92
Q

muscular defect in the umbilical that allows abdominal organs to
protrude through the umbilical underneath the skin. Maybe inherited.

A

Umbilical hernia –

93
Q

The stomodaeum is separated from the (pharynx) by the oral plate or
oropharyngeal membrane,

A

foregut

94
Q

The further deepens by growth of surrounding structures

A

oral cavity

95
Q

The oral
cavity is bordered cephalically by frontal prominence and by medial nasal,

A

maxillary and
mandibular processes

96
Q

the tooth is composed of the

A

enamel, dentin, dental pulp and cementum

97
Q

are derived from stomodeal ectoderm and ectomesenchyme (neural crest) of
VA1

A

Teeth

98
Q

The inner concave
epithelium of the enamel organ differentiates into columnar ameloblasts that secrete the tooth
.

A

enamel

99
Q

The
odontoblasts induce the concave epithelium of the enamel organ to differentiate into
that form enamel of the crown of the tooth

A

ameloblasts

100
Q

The
remaining ectomesenchymeal cells of the differentiate into a loose connective
tissue with blood vessels and nerves (sensitive part of the tooth).

A

dental pulp

101
Q

becomes flattened or compressed laterally and presents in sequence 5
bilateral outpocketings of its endoderm to form the pharyngeal pouches walled in by a series
of visceral arches

A

foregut

102
Q

mammals, is rudimentary and appears as a diverticulum of PP4

A

PP5

VETAN QUIZ (9 decks)

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