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41 Cards in this Set
- Front
- Back
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Ureter
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the tube which carries urine from the kindey to the bladder
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Gametes
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sperm and egg
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Zygote
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What delvelops into a new animal. result of fertilization.
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urethra
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carries uring from the baldder to the exteror druing the dissection of the reproductive system
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bulbo-urethral glands
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glands produce the fluid in which the sperm are suspended the seminal fluid
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where are the testes located?
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located in two out pocketings of the body wall,
the scrotal sacs |
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inguinal canal
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connects the scrotal sacs and the body cavity
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seminal vesicles
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another source of seminal fluid
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Gametogenesis
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the process of formation and amturation of the gametes
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spermatogeneis
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maturation of the sperm
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where are the testes located?
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located in two out pocketings of the body wall,
the scrotal sacs |
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inguinal canal
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connects the scrotal sacs and the body cavity
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seminal vesicles
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another source of seminal fluid
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spermatogeneis
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maturation of the sperm
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oogenesis
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maturation of egg
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primordial germ cells
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cells from which gametes will arise
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Germinal epithelium
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sheets of germ cells enclosed in the gonads. they line the cavaties within the gonad.
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meiosis
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Nuclear reduction division.
diploid---> haploid |
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epididymis
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composed of tubes contained maturing and mature sperm
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seminiferous tubules
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is where spermatogenesis occurs
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acrosome
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contain special enzymes which aid in penetrating the egg
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mid pieace of sperm
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mitochondrion
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primary follicle
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consists of a single layer of cells surrounding a slightly larger cell the primary oocyte
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corpus leutem
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empty follilcle after egg is discharged.
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estrogen
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stimulates the thickening of the wall of the uterus the endometrium
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vas deferns
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is the sperm duct
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sertoli cells
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form the blood testis barrier
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protostomes
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mouth first
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deuterostomes
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mouth second
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smalll
medium large eggs |
smalll- human and starfish
medium-fish and frogs large- birds |
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animal pole
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top
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vegetal pole
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yolk
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endoderm
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forms digestive and internal organs
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ectoderm
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skin + nervous system
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mesoderm
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bones and connective tissue
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totipotent
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cells give rise to entire body
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pluripotent
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can give rise to many cells
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mitosis
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results in all cells recieving the same information
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morula
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16 cell
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blastula
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circular
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gastrula
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has invagination archenterone and blastopore
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