Endocrine System
Hormones
Reproduction
Terms
Cycle
100
What are the two thyroid hormones?
T3- triiodothyronine
T4- Tetraiodothyronine
100
Which hormone maintains pregnancy and is produced by the corpus luteum?
Progesterone
100
What species is an induced ovulator?
Feline, rabbits, Ferrets
100
What is the correct term for the act of breeding?
Copulation
100
What are the 3 stages of labor?
First- uterine contractions
Second- Delivery of the neborn
Third- Delivery of the placenta
200
What is the master endocrine gland?
Pituitary gland- its hormones direct the activity of the other endocrine glands around the body
lGrowth Hormone
lProlactin
lThyroid-Stimulating Hormone
lAdrenocorticotropic Hormone
lFollicle-Stimulating Hormone
lLuteinizing Hormone
lMelanocyte-Stimulating Hormone
200
Which hormone causes milk let down?
Oxytocin
200
What is another name for an oviduct?
Fallopian Tube
200
What is the other term for the structure sometimes referred to as the yellow body?
Corpus luteum or CL
200
What is proestrus?
Stage of the estrous cycle when follicles are developing and growing under the influence of FSH
300
The hormones epinephrine and norepinephrine are produced in the
Adrenal medulla
300
What is the difference between FSH in the female vs the male?
FSH in the female- stimulates the growth and development of follicles in the ovaries
FSH in males- Stimulates and developments spermatozoan in the seminiferous tubules of the testes
300
What does multiparous mean?
Giving birth to multiple babies. Cats, dogs, sows, dogs
300
Which organ is the life support system for the developing fetus?
Placenta
300
Which part of the estrous cycle is considered the "heat" period when the female is sexually receptive to the male?
Estrus
400
An organ that is important in the development of a young animal’s immune system is the ____
Thymus
400
Where is insulin produced?
Produced by the beta cells of the pancreatic islets
400
What are the different types of placental attachments?
Cotyledonary (cattle), diffuse (pigs and horses), discoid (humans, rodents), zonary (dogs/cats)
400
What is the name for infection of the mammary gland?
Mastitis
400
What is called when animal's have an exaggerated diestrus period where they can look and act pregnant without being pregnant?
Pseudopregnancy (false pregnancy)
500
How does Lutalyse, a drug with PGF2 activity cause a new estrous cycle to begin?
It will destroy the CL (which has progesterone to maintain a pregnancy) therefore it will abort the fetus and start a new cycle
500
The alpha cells of the pancreas make what hormone?
Glucagon
500
Which hormone causes the smooth muscle of the female repro tract to contract giving the spermatozoa a free ride up to the area for fertilization?
Oxytocin
500
What is the name for the substance that is produced initially before milk out of the mammary gland and why is it important?
Colostrum- transfers passive immunity to the newborn and contains a number of immunoglobulins (antibodies) to the baby
500
Name a few species that are seasonally polyestrous?
Horses, sheep, cats
Cycle continuously at certain times of the year and not at all at others