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Definition
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Term
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Definition
| period of development, length of time it takes an organism to develop before independent life |
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| fusing of the sperm nucleus and egg nucleus (pro-nucleus), occurs in fallopian tubes |
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Definition
| contains enzymes in sperm that can digest through layers of cells surrounding the egg |
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| first cell that starts the production of an embryo |
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| cell divisions during gestation period |
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| solid ball of cells after 4 days of fertilization |
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| a fluid filled cavity inside, hollow ball of cells |
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Definition
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| blastocyst attaches itself to the wall of the uterus |
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| Tubal pregnancy/Ectopic pregnancy |
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Definition
| blastocyst embeds and develops in the fallopian tube |
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Term
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Definition
| fertilization takes place in a test tube and embryo is implanted in female uterus |
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Definition
| process by which three germ layers are formed, cells begin to specialize |
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Definition
| cells start to have specific functions |
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Definition
| epidermis, nervous system, tooth enamel, lining of mouth and nose, fingernails |
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Definition
| skeletal system, muscles, excretory system, kidney and bladder, circulatory system, gonads |
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| digestive system, respiratory system, liver and pancreas |
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Definition
| forms amniotic sac, cushions embryo, keeps the embryo moist |
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| the connection between mother and developing embryo, temporary organ used for nourishment, respiration, and excretion |
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Definition
| how fetus attaches to the placenta |
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Definition
| not used for nourishment, where blood cells are first made, where reproductive cells are made |
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Term
| Branchial arches/auricular hillocks |
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Definition
| structures that develop the outer ears |
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Term
| Foramen ovale/ductus arteriosus |
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Definition
| structures found in fetal heart but not in newborn heart |
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Definition
| membrane and cartilage form into bone |
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| "soft spots", allows brain to grow, and protects brain during childbirth |
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| identical twins, one zygote splits into two |
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| fraternal twins, two eggs released and fertilized at the same time |
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| keeps baby warm, keeps body parts from growing together, allows baby to move, protects baby, swallowing reflexes |
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Definition
| separates mother's blood from fetal blood |
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Definition
| attaches baby to mothers uterus |
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Definition
| Human Chorionic Gonadotropin, tells corpus luteum to produce progesterone and estrogen |
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Term
| Progesterone and estrogen |
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Definition
| prepares uterine lining, prevents further eggs from being released from ovary |
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Term
| Reproduction and Endocrine system |
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Definition
| two body systems working together for birthing process |
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Definition
| system of organs/glands that produce hormones |
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Term
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Definition
| a chemical produced in one part of body and has its affect on another part of the body |
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Definition
| produced by pituitary gland, causes contractions of muscles in uterus |
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Term
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Definition
| begins when contraction are at timed intervals |
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Term
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Definition
| when cervix reaches 10 cm |
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Term
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Definition
| mother is able to work with the contractions and push the fetus through the cervix and out of the vagina |
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Term
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Definition
| placent and amniotic sac are pushed out of the mother |
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Term
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Definition
- 0 to 3 months
- brain and spinal cord began to develop
- four stubby limbs
- short tail
- gill pouches
- develop all major organs and body parts
- sex is determined
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Term
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Definition
- 4 to 6 months
- increase in size
- fingernails and toenails
- fine hair
- active
- hiccups
- wakes and sleeps
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Term
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Definition
- circulatory and respiratory system undergo changes to switch to air breathing
- fatty deposits to maintain own temperature
- bones harden
- less movement
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