Reproductive Anatomy: Terms for Female and Male Sex Organ Development, Quizzes of Zoology

Download Reproductive Anatomy: Terms for Female and Male Sex Organ Development and more Quizzes Zoology in PDF only on Docsity! TERM 1 gonadal primordia DEFINITION 1 serve to produce gametes and sex hormones TERM 2 genital ridge DEFINITION 2 gonads arise as a pair of embryonic thickenings of the coelomic mesothelium medial to the mesenephric ducts called this TERM 3 germinal epithelium DEFINITION 3 primordial germ cells become established in this region of the genital ridge TERM 4 mesorchium DEFINITION 4 the fold of the dorsal mesentery associated with the developing testes TERM 5 mesovarium DEFINITION 5 the fold of dorsal mesentery associated with the developing ovaries TERM 6 primary sex cords DEFINITION 6 they form and invade deeper into the genital ridge in the gonadal primordial that will become the testes TERM 7 seminiferous tubules DEFINITION 7 primary sex cords become this and are tubules that are lined by germinal epithelium and will serve as the site of sperm cell production TERM 8 secondary sex cords DEFINITION 8 lined by germinal epithelium and produce ova TERM 9 spermatogonia DEFINITION 9 germinal epithelium includes this which are stem cells that give rise to SPERMATOZOA TERM 10 interstitial cells of leydig DEFINITION 10 produce the male sex hormones and lie within the connective tissue between the seminiferous tubules TERM 21 spongy/ penile urethra DEFINITION 21 passes through the penis and is the last portion to carry the sperm TERM 22 seminiferous ampullae DEFINITION 22 in vertebrates they lack seminiferous tubules the primordial germ cells will form this which is a cyst like structure that is built up and broken down based on breeding season TERM 23 marginal canal DEFINITION 23 in fish and urodeles a new duct carries sperm which replaces the mesenephric duct TERM 24 vas/ductus deferens DEFINITION 24 it is the mesenephric duct in amniotes TERM 25 seminal fluid DEFINITION 25 glands that produce a variety of secretions forming this in amniotes in the male duct system TERM 26 accessory sex glands DEFINITION 26 1) ampullary glands 2) seminal vesicles 3) prostate 4) coagulating glands 4) bulbourethral glands TERM 27 claspers DEFINITION 27 an intromittent organ in elasmobranchs and are modifications of the male pelvic fins TERM 28 gonadopodium DEFINITION 28 found in teleosts and is a modification of the first ray of the anal fin TERM 29 hemipenes DEFINITION 29 snakes and lizards have this which are a pair of protrusible diverticuli having a groove SPINAL GROOVE for the transport of the sperm TERM 30 penis DEFINITION 30 turtles, crocodilians, birds, monotremes mammals have this erectile structure which is a thickening of the floor of the cloaca TERM 31 corpus spongiosum DEFINITION 31 thickening is composed of well vascularized connective tissue TERM 32 glans penis DEFINITION 32 a distal thickening of the penis TERM 33 corpora cavernosa DEFINITION 33 a pair of dorsolaterally arranged tissue mass TERM 34 corpus spongiosum DEFINITION 34 singular midventral mass that contains the urethra TERM 35 prepuce DEFINITION 35 glans penis is covered by this fold of skin TERM 46 external genital papillae DEFINITION 46 the oviduct openes into here in the female genital tract TERM 47 ovipositor DEFINITION 47 in some telesots with unpaired external genital papillae the pailla elongates to form an egg laying structure called this TERM 48 muellerian ducts DEFINITION 48 female duct system develops from a pair of embryonic ducts in vertebrates other than ray finned fishes TERM 49 shell gland and uterus DEFINITION 49 muellerian ducts in elasmobranchs give rise to an oviduct that develop into these TERM 50 oviducts DEFINITION 50 short tubules that serve to convey the egg from the ovary to the uterus and have 3 membranes 1) infindibulum 2) ampulla 3)isthmus TERM 51 infundibulum DEFINITION 51 first to receive the egg which will be a funnel shaped structure lined with cilia TERM 52 fimbriae DEFINITION 52 finger lie folds in the opening of the infundibulum which help to capture the ovum TERM 53 ampulla DEFINITION 53 middle and longest segment of the oviduct TERM 54 isthmus DEFINITION 54 third segment that connects to the uterus TERM 55 uteri DEFINITION 55 serve as the site of the development for the embryo and fetus prior to birthing TERM 56 duplex uterus DEFINITION 56 because in marsupials the Muellerian ducts join only at the urogential sinus they have this which separate the uteri into left and right and connect to 2 separate vagina TERM 57 bicornuate uterus DEFINITION 57 most common uterus where the uterus has 2 cornua (horns) connecting to a uterine body (canines and pigs) TERM 58 simplex uterus DEFINITION 58 other type of uteri in placental mammals that lacks the cornua (humans) TERM 59 cervix DEFINITION 59 uterus narrows closer to the vagina TERM 60 what are the 3 tunics to the uterine? DEFINITION 60 1) perimetrium 2) myometrium 3) endometrium