Histo/embryo Quiz 2 Locations

Front 1

fibrous triangle consisting of dense irregular CT

Back 1

cats and pigs

Front 2

fibrous triangle consisting of fibrocartilage

Back 2

dogs

Front 3

fibrous triangle consisting of hyaline cartilage

Back 3

horses

Front 4

fibrous triangle consisting of bone

Back 4

large ruminants

Front 5

vasa vasorum and nervi vasorum

Back 5

tunica externa

Front 6

continuous capillaries

Back 6

muscles

Front 7

fenestrated (visceral) capillaries

Back 7

GIT

Front 8

sinusoidal capillaries

Back 8

endocrine glands

Front 9

porous capillaries

Back 9

kidney glomerulus

Front 10

sinusoids

Back 10

liver parenchyma

Front 11

post-capillary venules have functional significance in

Back 11

lymphoid organs

Front 12

arteriovenous anastomoses

Back 12

skin, lip, intestine, nasal mucosa, male & female reproductive tract

Front 13

blood is stained by

Back 13

Wright's stain

Front 14

non-nucleated biconcave disc RBCs

Back 14

most domestic animals

Front 15

non-nucleated flattened disc RBCs

Back 15

goats and pigs

Front 16

non-nucleated elliptical shaped RBCs

Back 16

camels & llamas

Front 17

nucleated RBCs

Back 17

birds

Front 18

largest erythrocytes

Back 18

dogs (7 microns)

Front 19

smallest erythrocytes

Back 19

goats (0.4 microns)

Front 20

prominent rouleaux formation

Back 20

horses & cats

Front 21

intermediate rouleaux formation

Back 21

dogs & pigs

Front 22

rare rouleaux formation

Back 22

ruminants

Front 23

a few reticulocytes & Howell-jolly bodies

Back 23

normal in dogs & cats (1-2%)

Front 24

25-40% neutrophils, 50-65% lymphocytes (trend)

Back 24

food animals

Front 25

50-70% neutrophils, 20-40% lymphocytes (trend)

Back 25

companion animals

Front 26

10% monocytes, 3-8% eosinophils, 1-4% basophils

Back 26

chickens

Front 27

heterophils

Back 27

the neutrophils of chickens

Front 28

rod-shaped basophils

Back 28

cats

Front 29

play a major role in defending the body against bacteria

Back 29

neutrophils

Front 30

play a role in allergic & anaphylactic rxn and parasitic infestation

Back 30

eosinophils

Front 31

play a major role in mediating inflammatory rxns

Back 31

basophils

Front 32

protection against tumor cells

Back 32

NK cells

Front 33

produce antibodies and some memory cells

Back 33

B-lymphocytes

Front 34

participate in cell-mediated immunity

Back 34

T-lymphocytes

Front 35

hematopoisis in adults

Back 35

bone marrow

Front 36

hematopoisis in early embryonic life

Back 36

wall of the yolk sac

Front 37

hematopoisis in middle embryonic life

Back 37

fetal liver

Front 38

hematopoisis in late embryonic life

Back 38

bone marrow, spleen, lymph nodes, and thymus

Front 39

lymphoid stem cells and myeloid stem cells come from

Back 39

pluripotent stem cells

Front 40

T-cells, B-cells, and NK-cells come from

Back 40

lymphoid stem cells

Front 41

colony forming cells (CFCs) come from

Back 41

myeloid stem cells

Front 42

polymorphonuclear granulocytes (neutrophils, eosinophils, and basophils) and monocytes come from

Back 42

granulocyte and monocyte CFCs

Front 43

macrophages come from

Back 43

monocytes

Front 44

platelets come from ______ which come from _______

Back 44

mega-karyoblasts, platelet CFCs

Front 45

erythrocytes come from _______ which come from _______

Back 45

reticulocytes, erythrocyte CFCs

Front 46

cortical & medullary tissues of lymph nodes are reversed

Back 46

pigs

Front 47

Hassal's corpuscles

Back 47

medulla of thymus

Front 48

sinusual spleen

Back 48

dogs

Front 49

nonsinusual spleen

Back 49

cats, horses, pigs, and ruminants

Front 50

MALT

Back 50

digestive and respiratory system organs

Front 51

GALT (Ileal Peyer's Patches)

Back 51

distal jéjunum & ileum in young ruminants, pigs, and carnivores

Front 52

GALT (solitary lymph nodules)

Back 52

colon & rectum

Front 53

tonsils in contact with stratified squamous epithelium

Back 53

oropharynx

Front 54

tonsils in contact with pseudostratified epithelium

Back 54

nasopharynx

Front 55

smooth tonsillar surface

Back 55

palatine tonsil of cats & dogs

Front 56

tonsillar fossulae

Back 56

lingual tonsil in horses, palatine tonsil in horses & ruminants

Front 57

hemal nodes

Back 57

ruminants

Front 58

cloacal bursa (bursa of Fabricius)

Back 58

birds

Front 59

propria submucosa

Back 59

takes the place of the l. muscularis layer of mucosa in respiratory tubular organs

Front 60

nasal diverticulum

Back 60

horses

Front 61

C or U shaped hyaline cartilage

Back 61

trachea

Front 62

thickest pulmonary pleura

Back 62

ruminants

Front 63

thinnest pulmonary pleura

Back 63

dogs & cats

Front 64

intrapulmonary conducting airways

Back 64

bronchi & bronchioles

Front 65

gas exchange area of lungs

Back 65

respiratory bronchioles, alveolar ducts, alveolar sacs, and alveoli

Front 66

clara cells

Back 66

bronchi and bronchioles

Front 67

irregular hyaline cartilage

Back 67

bronchi

Front 68

focus of most lung disorders

Back 68

respiratory bronchioles

Front 69

extensive respiratory bronchioles

Back 69

carnivores

Front 70

short or absent respiratory bronchioles

Back 70

horses, cows, and pigs

Front 71

responsible for production of pulmonary surfactant

Back 71

type II (granular) alveolar cell

Front 72

complete hyaline cartilaginous rings

Back 72

trachea and initial portion of bronchi in birds

Front 73

syrinx

Back 73

located at the junction of trachea and bronchi in birds

Front 74

induced ovulators

Back 74

cats & rabbits

Front 75

polytocous animals

Back 75

bitch, sow, cat, and small ruminants

Front 76

sperm host glands

Back 76

avian vagina

Front 77

6-7 day sperm viability

Back 77

dogs & horses

Front 78

32 day sperm viability

Back 78

fowl

Front 79

70 day sperm viability

Back 79

turkeys

Front 80

fertilization in the infundibulum of the uterine tube

Back 80

dogs

Front 81

freemartin

Back 81

cattle

Front 82

polyspermy

Back 82

pigs

Front 83

superfecundation

Back 83

cats & dogs

Front 84

superfetation

Back 84

pigs

Front 85

isolecithal egg

Back 85

mammals

Front 86

polylecithal egg

Back 86

birds

Front 87

holoblastic (total) cleavage

Back 87

mammals

Front 88

meroblastic (partial) cleavage

Back 88

birds

Front 89

335-345 day gestation

Back 89

mare

Front 90

60 day gestation

Back 90

queen

Front 91

279-282 day gestation

Back 91

cow

Front 92

60-65 day gestation

Back 92

bitch

Front 93

148-150 day gestation

Back 93

ewe

Front 94

114-120 day gestation

Back 94

sow

Front 95

160 day RBC life span

Back 95

cow

Front 96

75 day RBC life span

Back 96

cats

Front 97

150 day RBC life span

Back 97

horse & sheep

Front 98

85 day RBC life span

Back 98

pigs

Front 99

120 day RBC life span

Back 99

dogs

Front 100

ciliated pseudostratified columnar epithelium w/ ciliated cells, secretory cells, brush cells, basal cells, and the propria-submucosa is cavernous stratum

Back 100

respiratory region of the nasal cavity

Front 101

ciliated pseudostratified columnar epithelium w/ neurosensory (bipolar) cells, sustentacular cells, and basal cells

Back 101

olfactory region of the nasal cavity

Front 102

conducting portion of the lungs (intrapulmonary conducting airways)

Back 102

bronchi, bronchioles, terminal bronchioles

Front 103

respiratory portion of the lungs (gas exchange area)

Back 103

RESPIRATORY BRONCHIOLES, alveolar ducts, alveolar sacs, alveoli

Front 104

external smooth muscle bridge over tracheal cartilage

Back 104

carnivores (dogs & cats)

Front 105

internal smooth muscle bridge over tracheal cartilage

Back 105

domestic animals (other than dogs & cats)

Front 106

within alveolar epithelium, a squamous epithelial cell w/ a central nucleus where gas exchange occurs

Back 106

Type 1 Pneumocyte (95%)

Front 107

within alveolar epithelium, a cuboidal cell with microvilli that produces pulmonary surfactant

Back 107

Type 2 Pneumocyte (5%), also called granular alveolar cell

Front 108

pulmonary macrophages

Back 108

present in the alveolar lumen

Front 109

in birds, the syrinx is similar in structure/function to the _______ in mammals

Back 109

larynx

Front 110

in birds, the primary bronchi are similar in structure/function to the _______ in mammals

Back 110

bronchi

Front 111

in birds, the secondary bronchi are similar in structure/function to the _______ in mammals

Back 111

bronchioles

Front 112

in birds, the parabronchi are similar in structure/function to the _______ in mammals

Back 112

gas exchange area (respiratory portion)

Front 113

the prenatal period up to implantation

Back 113

pre-embryonic period

Front 114

the prenatal period from implantation to origin of the primordia of the organs

Back 114

embryonic period

Front 115

the prenatal period of growth and maturation of the organ systems

Back 115

fetal period

Front 116

monotocous animals

Back 116

cows & horses

Front 117

reversed sex determination system (females have XY, males have XX)

Back 117

birds

Front 118

twins: each embryo has its own placenta, amniotic cavity, and chorionic cavity

Back 118

monozygous where splitting occurred at the two-cell stage, or normal dizygous twinning

Front 119

twins: each embryo has its own amniotic cavity, but share a common placenta and chorionic sac

Back 119

monozygous where splitting occurred at the inner cell mass in an early stage of development

Front 120

twins: embryos share a common placenta, amniotic cavity, and chorionic cavity

Back 120

monozygous where splitting occurred at the inner cell mass in a late stage of development

Front 121

twins: fusion of placenta and chorion

Back 121

occasionally occurs in dizygous twinning

Front 122

somites which constitute the vertebral column

Back 122

sclerotomes

Front 123

somites which constitute the muscles associated with the vertebral column

Back 123

myotomes

Front 124

somites which constitute the connective tissue associated with the vertebral column

Back 124

dermatomes

Front 125

somatic mesoderm + ectoderm

Back 125

somatopleure

Front 126

splanchnic mesoderm + endoderm

Back 126

splanchnopleure

Front 127

cavity between somatic & splanchnic mesoderm

Back 127

coelom

Front 128

chorionic epithelium is in contact with uterine epithelium // 6 layers present

Back 128

epitheliochorial histological classification of placenta

Front 129

chorionic epithelium is in contact with uterine connective tissue // 5 layers present

Back 129

syndesmochorial histological classification of placenta

Front 130

chorionic epithelium is in contact with the endothelium of uterine blood vessels // 4 layers are present

Back 130

endotheliochorial histological classification of placenta

Front 131

chorionic epithelium is in contact with uterine blood // 3 layers are present

Back 131

hemochorial histological classification of placenta

Front 132

diffuse, villous, nondeciduate, and epitheliochorical placental classification

Back 132

sow & mare

Front 133

cotyledonary, villous, nondeciduate, and syndesmochorial placental classification

Back 133

cow, sheep & goat

Front 134

zonary, labyrinthine, deciduate, and endotheliochorial placental classification

Back 134

dogs & cats

Front 135

7-10% of causes of teratology

Back 135

environmental agents

Front 136

7-8% of causes of teratology

Back 136

mutant genes

Front 137

6-7% of causes of teratology

Back 137

chromosomal abnormalities

Front 138

20-25% of causes of teratology

Back 138

multifactorial inheritance

Front 139

50-60% of causes of teratology

Back 139

unknown etiology

Front 140

physical teratogens

Back 140

x-rays

Front 141

chemical teratogens

Back 141

vitamin A deficiency

Front 142

drug teratogens

Back 142

thalidomide in pups

Front 143

infectious teratogens

Back 143

panleukopenia virus in kittens

Front 144

period of maximum sensitivity to abnormal development

Back 144

embryonic period