Reproductive System Flashcards
Which process (meiosis/mitosis) describes when a diploid chromosome divides into a single haploid cell, but doesn’t duplicate?
Meiosis
Which process (meiosis/mitosis) describes when a diploid chromosome is duplicated and then divided?
Mitosis
What cells are present in the testes?
Sertoli, Interstitial, Spermatozoa
What do sertoli cells do in the testes?
Support Developing Spermatids
What do interstitial cells do in the testes?
Produce Androgens
What are tunics?
Connective Tissue Layers Around Testes
What is the fibrous capsule surrounding each testis called?
Tunica Albuginea
What is the visceral vaginal tunic and where is it located on the testes?
Very Thin Inner Layer
What is the parietal vaginal tunic and where is it located on the testes?
Thick Outer Layer
What are the four components of the spermatic cord?
Blood Vessels, Lymph Vessels, Nerves, Vas Deferens
What is the meshwork of veins that surround the testicular artery called?
Pampiniform Plexus
What does the pampiniform plexus do?
Cools off Blood
What are the testes responsible for?
Produce Sperm/Hormones
What is the epididymis responsible for?
Storage of Sperm
What is the spermatic cord responsible for?
Connects testes to body, regulates temperature of blood, carries nutrients & oxygen
What is the vas deferens responsible for?
Connects Epididymis to Urethra
What structure is made out of epithelial tissue and covers the penis when not erect?
Prepuce
What unique structure of the male reproductive tract is found in goats?
Urethral Process
What unique structure of the male reproductive tract is found in cats?
Spines on Penis
What unique structure of the male reproductive tract is found in cattle?
Sigmoid Flexure
What unique structures of the male reproductive tract is found in dogs?
Os Penis, Bulb of Glans, Prostate
What are ovaries responsible for?
Produce Ova/Hormones
What is the broad ligament responsible for holding?
Uterine Horns
What is the suspensory ligament responsible for holding?
Ovaries
What sphincter controls access to the lumen of the uterus from the vagina?
Cervix
What three structures can be found on the vulva?
Vestibule, Clitoris, Labia
What is anestrus?
Period of Temporary Ovarian Inactivity
What are the stages of the estrous cycle in order?
Proestrus, Estrus, Metestrus, Diestrus
What species is known to be polyestrous?
Cattle, Swine
What species is known to be seasonally polyestrous?
Cat, Horse, Sheep
What species is known to be diestrous?
Dog
(name them in order from closest to embryo to farthest)
Amnion, Allantois, Chorion
What type of placentation do equine develop?
Diffuse
What type of placentation do bovine develop?
Cotyledonary
What type of placentation do canine and feline develop?
Zonary
What type of placentation do humans develop?
Discoid
What two hormones influence lactation?
Oxytocin, Prolactin
Which lactation hormone moves milk down to larger ducts and sinuses?
Oxytocin
Which lactation hormone helps maintain lactation?
Prolactin
Where does spermatogenesis take place?
Seminiferous Tubules
Where does oogenesis take place?
Ovarian follicles
What are the three layers of the placenta?
Amnion, Allantois, Chorion
What type of animal has cotyledonary placentation?
Bovine
What type of animal has discoid placentation?
Primates/Human
What type of animal has diffuse placentation?
Equine
What type of animal has zonary placentation?
Canine/Feline
How many mammary glands does a cow have?
4
How many stages of labor are there?
3