Lab Midterm Flashcards
1
Q
Implantation occurs
Maintain pregnancy within uterus environment
A
Progesterone control
2
Q
What happens to a frog’s car when it breaks down
A
It gets toad awY
3
Q
What do rabbits eat for breakfast?
A
IHOP
4
Q
Which species has caruncles?
A
Cow
5
Q
Ovary shape of cow
A
Almond/triangle
6
Q
Ovary shape of sow
A
Bundle of grapes
7
Q
Area for placenta attachment
Provides base between mother and fetus
A
Caruncles
8
Q
Responsible for follicle development
A
Ovary
9
Q
Follicles produce
A
Progesterone
10
Q
Only the ______ has more blood flow than the ovary
A
Brain
11
Q
Where the urine enters the vagina from the bladder
A
Suburethral diverticulum
12
Q
Open cervix: cow
A
Estrogen control
Produces thin, watery mucus
13
Q
Closed cervix: cow
A
Progesterone control
Mucus turns to gel
14
Q
Provides strong, rhythmic contractions under estrogen control
Propels sperm to site of fertilization
A
Uterus
15
Q
Site of fertilization for cow
A
Oviduct
16
Q
Species that has point of bifurcation
A
Sow
17
Q
Species with a long cervix
A
Sow
18
Q
Inside our species
A
Mare
Follicles on inside, vasculature on outside of ovaries
19
Q
Species with short cervix
Long cranial vagina, short caudal vagina
A
Bitch
20
Q
Species that has placental scars
A
Queen
21
Q
Corpus luteum appearance
A
Yellow body
22
Q
Corpus luteum produces
A
Progesterone to maintain pregnance
23
Q
Corpus albicans appearance
A
White body
24
Q
CH appearance
A
Bloody body
25
Larger follicles means
More estrogen producex
26
Ampulla appearance
More folds
More ciliated columnar cells
Thinner muscularis layer
Wider diameter
27
Bicornuate species
Mare, cow, bitch, queen, sow
28
Cow uterine horns
Moderately developed
29
Made uterine horns
Poorly developed - short horns
30
Mare uterine body
Very large
31
Species with highly developed uterine horns
Bitch, Queen, sow
32
Perimetrium location
Outer layer in wall of uterus
33
Myometrium location
Middle layer in wall of uterus
34
Endometrium location
Inner layer in wall of uterus
35
Endometrium is a combination of
Mucosa and submucosa layers
36
Crypts and folds provide
Areas for sperm to be stored
37
Species that has 4-5 annular rings
Cow
38
Species that have a fornix vagina
Mare, ewe, cow
39
Species that has longitudinal folds
Mare
40
Species that has a non-functional fornix vagina
Mare
41
The only place where ovulation can occur on the mare’s ovary
Ovulation fossa
42
Species that does not have a fornix vagina
Sow
43
Species that has interdigitating pads
Sow
44
Site of semen deposition
Fornix vagina
45
Species with cork screw penis
Boar
46
Species with urethral process
Ram
47
Species with penile flap
Dog
48
Pre-scrotal species
Boar
49
Post-scrotal species
Ram, Bull
50
Cow orientation of testis
Vertical
51
Boar orientation of testis
Horizontal
52
Ram orientation of testis
Vertical
53
Dog orientation of testis
Horizontal
54
Location of sperm production (male gamete)
Produces testosterone
Testis
55
Controls sigmoid flexure
Retractor penis muscle
56
Relaxed retractor penis muscle appearance
Straightened
57
Contracted retractor penis muscle appearance
S-shaped
58
The sigmoid flexure penis is important for
Erection process
59
Species with very large vesicular and bulbourethral glands
Boar
60
Dog accessory glands
No ampulla
No sigmoid flexure
Only prostate gland
61
Engorged with blood
Important in mating process (dog)
Bulbus glandis
62
Does a stallion have a sigmoid flexure?
No
63
How many prostate glands does a Tom have?
2
64
Tom: Spines of glans penis
Penile spines
65
Cat is an _________ ovulation
Induced
66
Helps with thermal regulation of testis
Pampiniform plexus l
67
Cells: Produces testosterone
Leydig cells
68
Removes fluids to help concentrate sperm
Sterocilia
69
Species where temperature stimulates ejaculation
Stallion
70
2 or more cuboidal layers
Secondary follicle
71
One layer of squamous cells
Primordial follicles
72
One layer of cuboidal cells
Primary follicle
73
What follicle has a basement membrane
Antral follicle
74
Separates granulosa cells from the Theca interna cells
Basement membrane
75
Tissue-filled structure
Corpus luteum
76
Contains frimbria
Ciliated columnar epithelium
Oviduct
77
Ampulla epithelia
Ciliated columnar
Columnar
78
Isthmus epithelia
Columnar
79
Oviduct epithelia
Simple Columnar
Ciliated columnar
80
Uterus epithelia
Simple columnar
81
Posterior caudal vagina epithelia
Stratified squamous
82
Control how and rate of sperm cells developing
Sertoli cells
83
Head of epididymis epithelia
Pseudostratified columnar
Tall columnar
84
Classes of cryoprotectants
Penetrating, non-penetrating
85
Penetrating cryoprotectants at at
Intracellular and extracellular level
86
Penetrating cryoprotectants examples
Glycerol
DMSO
ethylene glycol
87
Non-penetrating cryoprotectants act at
Extracellular level
88
Non-penetrating cryoprotectants examples
PVP, PBA, fructose
89
Functions of semen extending agents
Provide nutrients —> energy
Protect against rapid cooling
Provide buffer from pH shifts
Maintain osmotic pressure and electrolyte balance
Inhibit bacterial growth
Increase semen volume
Protect sperm during freezing
90
Semen may be preserved after extension at
Room temp
Slightly below room temp
Cooled at 4 degrees Celsius
Frozen at -196 degrees Celsius
91
Freezing in the absence of ice
Vitrification
92
Methods of semen freezing
Vapor freezing
Controlled rate freezing
93
Vapor freezing
Vapor phase of liquid nitrogen then liquid phase of liquid nitrogen
94
Controlled rate freezing
Ice crystallization
95
Describe the process of loading a semen straw for A.I.
1. Pull up cyropreservation
2. Pull up air
3. Pull up sample
4. Pull up air
5. Pull up more media
6. Put end in sealing powder
96
Agonist
Binds to receptor and elicits same response as native hormone
97
Agonist examples
hCG
eCG
Estradiol cypionate
98
Antagonist
Binds to receptor and blocks response
99
hCG is agonist of
LH
100
eCG is agonist of
FSH
101
Estradiol cypionate is agonist of
Estrogen
102
PG•600 is agonist of
FSH and LH
103
Minimum volume of sperm concentration for stallions
5 mL
104
Concentration dosage of sperm
500 million live motile sperm
105
Mare A.I. process
1. Clean genitalia with mild detergent
2. Dry
3. Observe abrasions
4. Inseminate through vagina
106
Made signs ready to breed
Squatting
Urinating
Winking vulva
Standing to be mounted
107
Mares with babies
May not exhibit classic estrus signs
108
Stallion collecting process
1. Tease
2. Clean penis w/warm water, light pressure
3. Retease
4. Mount dummy
5. Artificial vagina alongside dummy —> tail flicking up/down = ejaculation
6. Clean off gel off penis with warm water
109
Ovulating follicle size
52-53 centimeters
110
Estradiol testing condition
Uterus is target —> larger uterus
Fluid- filled uterus
111
PG•600 testing condition
Ovary is target —> larger ovaries
Partially filled uterus
112
PG•600 secondary effect
Enlarged uterus
113
This hormone is produced from follicles after stimulation from LH and FSH
Estrogen
114
This hormone is produced during the luteal phase from the CL
Progesterone
115
Epididymis body epithelia
Simple cuboidal
116
Epididymis sterocilia epithelia
Ciliated columnar
