The flashcards below were created by user
tville01
on FreezingBlue Flashcards.
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With humand DNA gets passed by
sexual reproduction
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How many new sperm cells can a male produce every second?
1000
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What is the name of the process that produces sperm and egg cells?
meiosis
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During what stage of development are all eggs created?
fetal
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What assists the egg in movement through the uterine tube?
cilia and peristaltic waves
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How long does an egg live if not fertilized?
a few hours
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One tsp of sperm has how many individual sperm?
300,000,000
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What is the first obsticle for sperm?
cervix
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What protein shell encases the egg?
zona
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What must match from the egg and sperm in order for fertilization to occur?
proteins
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What dissolves a hole in the zona of the egg?
enzymes from the acromosome of the sperm
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Hour many hours will pass before the first cellular division of the zygote?
24
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How long after fertilization does it take for the cells to reach the uterus?
5 days
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When the egg reaches the uterus, is still in the zona, and has over 100 cells it is a
blastocyte
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2 weeks after conception, a balstocyte will organize into an embryo by the process called
gastrulation
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After how many weeks can sex of offspring be determined by ultrasound
18
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After 2 months the embryo is now called a
fetus
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What forms after the blastocyte has burrowed into the uterine lining?
placenta
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How does the fetus receive nutrients?
villa
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The retina and lens are formes by the _ week of gestation
9
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In what month does hard bone, and hands and legs form?
4
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By what month can the fetus hear sound?
5
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In the 6 month what fatty substance forms around nerve?
myelin
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How wide does the cervix open for birth?
4 inches
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What are homozygous chromosomes?
- Same genetic material for dominant and recessive gene
- AA or aa
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Shell around renal medulla
renal cortex
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branches of renal pelvis to papillae
calyces
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structure of mass tissue in renal medulla
renal pyramids
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projectins with openings into minor calyx
papillae
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hollow chamber in kidney
renal sinus
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functinal unit of kidney
nephron
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between renal pyramids, continuation of renal cortex
renal columns
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funnel shaped, end of ureter, in renal sinus
pelvis
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Where do blood vessels enter the kidney
hilum
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What makes up the renal corpuscle
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What makes up the renal tube
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More than _ WBC perHPF would indicate a possible urinary infection
5
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Where do squamos cells originate?
urethra
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Is it normal for granular cast to appear in urine? Both normal and irregular sediments
YES
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How many RBC should be in a urine specimen?
1-2 per HPF
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What epithelial cells may appear in urine?
squamos, transitional, and renal tubular
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smallest salivary gland
sublingual
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What cell secretes hydrochloric acid into stomach?
parietal cells
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Gastric cells that secrete digestive enzymes?
cheif
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3 portions of small intestine
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4 portions of colon
- ascending
- transverse
- descending
- sigmoid
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valve between ileum and large intestine
ileocecal valve
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small projection with lymphatic tissue, attached to cecum
vermiform appendix
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Series of pouches on the colon that permit expansion and elongation
haustra
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metallic powder that X-rays cannot penetrate, used for GI examination, mixed with water
barium sulfate
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What is needed to see brush border of the small intestine
electron microscope
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