Reproductive Flashcards
The total number of chromosomes in the nucleus of each cell is called?
Diploid chromosome number.
Flat, ribbon like structure that lies along the surface of the testis
Epididymis
What is a uniparous species?
A species that typically only gives birth to one offspring at a time.
What is the process by which ova are produced in follicles in the ovaries called?
Oogenesis
What are the stages of the estrous cycle?
Proestrus Estrus Metestrus Diestrus Anestrus ( occurs in some animals between breeding seasons )
What is pseudopregnancy?
False pregnancy
What 2 erectile tissue structures make up the body of the penis?
Corpus cavernosum urethrae and corpus caernosum penis
An increase in what hormone causes ovulation to occur?
Luteinizing hormone
Where does spermatogenesis occur?
Seminiferous Tubules
Difference between spermatogenesis and oogenesis
spermatogenesis: spermatozoa is produced continously and in very large numbers
oogenesis: not produced continuosly and there is a fixed number of oocytes
Main functions of the testes
spermatogenesis and hormone production
What are oviducts also known as?
fallopian tubes and uterine tubes
What is the gestation range for canines?
59-68 days approximately 2 months
what are the three stages of labor?
- uterine contractions
- delivery of the newborn
- delivery of the placenta
What are progestins produced by?
Corpus luteum
What is the gestation period of cats?
56-69 days
What are the milk secreting units of the mammory gland?
alveoli
What is it called when the uterus goes back to it’s non pregnant size?
involution
What is dystocia?
Difficult birth
What does colostrum contain?
Antibodies, proteins, and vitamins.
What is parturition?
The act of giving birth.
What hormones control the estrus cycle?
LH and FSH.
The corpus leteum developes during which phase?
Metestrus.
T or F Sertoli cell is also called a nurse cell?
True.
true or false
all male dogs have a bulbourethral gland
false
when one or both testes do not descend into the scrotum
cryptorchidism
true or false
only dogs have an os penis
false
What is the prepuce?
The sheath of skin that encloses the penis when it is not erect.
T or F Uterine hornes are also known as falopian tubes?
False
What is the colostrums most important role?
providing the newborn with passive immunity.
Gametes unite to become this
Zygote
What is the birth process called?
Parturition
What is infection of the mammary gland?
Mastitis
