Flashcards - Praxis Middle School Science: Human Reproduction & Development

Flashcards - Praxis Middle School Science: Human Reproduction & Development
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ovulation
Ovulation is the release of egg from the ovaries
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ovarian cycle
The menstrual cycle is the regular natural change that occurs in the female reproductive system that makes pregnancy possible
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medulla
The medulla oblongata is located in the hindbrain, anterior to the cerebellum
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follicular phase
The follicular phase is the phase of the estrous cycle, during which follicles in the ovary mature
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corpus luteum
The corpus luteum is a temporary endocrine structure in female ovaries that is involved in the production of relatively high levels of progesterone and moderate levels of estradiol and inhibin A
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uterus
The uterus or womb is a major female hormone-responsive reproductive sex organ of most mammals, including humans
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ovaries
The ovary is an ovum-producing reproductive organ, often found in pairs in the female as part of the vertebrate female reproductive system
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myometrium
The myometrium is the middle layer of the uterine wall, consisting mainly of uterine smooth muscle cells , but also of supporting stromal and vascular tissue
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menstruation
Menstruation, also known as a period or monthly, is the regular discharge of blood and mucosal tissue from the inner lining of the uterus through the vagina
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endometrium
The endometrium is the inner epithelial layer, along with its mucous membrane, of the mammalian uterus
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cervix
The cervix or cervix uteri is the lower part of the uterus in the human female reproductive system
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seminiferous tubules
Seminiferous tubules are located within the testes, and are the specific location of meiosis, and the subsequent creation of male gametes, namely spermatozoa
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seminal vesicles
The seminal vesicles , vesicular glands, or seminal glands, are a pair of simple tubular glands posteroinferior to the urinary bladder of some male mammals
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semen
Semen, also known as seminal fluid, is an organic fluid that may contain spermatozoa
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prostate
The prostate is a compound tubuloalveolar exocrine gland of the male reproductive system in most mammals
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bulbourethral glands
A bulbourethral gland, also called a Cowper gland for English anatomist William Cowper, is one of two small exocrine glands in the reproductive system of many male mammals
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zygote
A zygote , is a eukaryotic cell formed by a fertilization event between two gametes
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zygote
A zygote , is a eukaryotic cell formed by a fertilization event between two gametes
bulbourethral glands
A bulbourethral gland, also called a Cowper gland for English anatomist William Cowper, is one of two small exocrine glands in the reproductive system of many male mammals
prostate
The prostate is a compound tubuloalveolar exocrine gland of the male reproductive system in most mammals
semen
Semen, also known as seminal fluid, is an organic fluid that may contain spermatozoa
seminal vesicles
The seminal vesicles , vesicular glands, or seminal glands, are a pair of simple tubular glands posteroinferior to the urinary bladder of some male mammals
seminiferous tubules
Seminiferous tubules are located within the testes, and are the specific location of meiosis, and the subsequent creation of male gametes, namely spermatozoa
cervix
The cervix or cervix uteri is the lower part of the uterus in the human female reproductive system
endometrium
The endometrium is the inner epithelial layer, along with its mucous membrane, of the mammalian uterus
menstruation
Menstruation, also known as a period or monthly, is the regular discharge of blood and mucosal tissue from the inner lining of the uterus through the vagina
myometrium
The myometrium is the middle layer of the uterine wall, consisting mainly of uterine smooth muscle cells , but also of supporting stromal and vascular tissue
ovaries
The ovary is an ovum-producing reproductive organ, often found in pairs in the female as part of the vertebrate female reproductive system
uterus
The uterus or womb is a major female hormone-responsive reproductive sex organ of most mammals, including humans
corpus luteum
The corpus luteum is a temporary endocrine structure in female ovaries that is involved in the production of relatively high levels of progesterone and moderate levels of estradiol and inhibin A
follicular phase
The follicular phase is the phase of the estrous cycle, during which follicles in the ovary mature
medulla
The medulla oblongata is located in the hindbrain, anterior to the cerebellum
ovarian cycle
The menstrual cycle is the regular natural change that occurs in the female reproductive system that makes pregnancy possible
ovulation
Ovulation is the release of egg from the ovaries
chorion
In humans and most mammals, the chorion is one of the membranes that exist during pregnancy between the developing fetus and mother
embryo
An embryo is an early stage of development of a multicellular diploid eukaryotic organism
mesoderm
In all bilaterian animals, the mesoderm is one of the three primary germ layers in the very early embryo
yolk sac
The yolk sac is a membranous sac attached to an embryo, formed by cells of the hypoblast adjacent to the embryonic disk
allantois
Allantois is a sac-like structure that forms part of a developing amniote's conceptus
amnion
The amnion is a membrane that closely covers the embryo when first formed
ectoderm
Ectoderm is one of the three primary germ layers in the very early embryo
endoderm
Endoderm is one of the three primary germ layers in the very early human embryo
coitus
Sexual intercourse, or coitus or copulation, is principally the insertion and thrusting of the penis, usually when erect, into the vagina for sexual pleasure, reproduction, or both
plasmids
A plasmid is a small DNA molecule within a cell that is physically separated from a chromosomal DNA and can replicate independently
penis
The human penis is an external male intromittent organ that additionally serves as the urinal duct
urethra
In anatomy, the urethra is a tube that connects the urinary bladder to the urinary meatus for the removal of fluids from the body
clitoris
The clitoris is a female sex organ present in mammals, ostriches and a limited number of
vulva
The vulva consists of the external genital organs of a woman
blastocyst
The blastocyst is a structure formed in the early development of mammals
gastrula
Gastrulation is a phase early in the embryonic development of most animals, during which the single-layered blastula is reorganized into a trilaminar structure known as the gastrula
primary germ layers
A germ layer is a primary layer of cells that form during embryogenesis
Chordin
Chordin is a bone morphogenetic protein antagonist composed of four small cysteine-rich domains, whose function is not known

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