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