Lab Practical 3 Flashcards

(46 cards)

1
Q
  • short nephron loop
  • glomerulus further from the cortex-medulla junction
  • efferent ateriole supplies per-tubular capillaries
A

Cortical nephron

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2
Q

The kidneys lie…..

A

Retroperitoneal

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3
Q

Which kideny is lower than the other

A

the right kidney is lower than left

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4
Q

The kidneys receive protection from what ribs?

A

11th and 12th

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5
Q

Each kidney has a ______ cleft or ______ on the ______ surface

A

vertical; hilum; medial surface

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6
Q

what size are the kidneys

A

12 cm x 6 cm x 3 cm

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7
Q

What three things enter and exit the kidney at the hilum

A

blood, lymph, and nerves

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8
Q
  • long nephron loop
  • glomerulus closer to the cortex-medulla junction
  • efferent arteriole supplies vasa recta
A

Juxtamedullary nephron

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9
Q

What are the primary sex organs in a male or female

A

testes - male
ovaries - female

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10
Q

What are the accessory reproductive organs

A

Ducts, glands, and external glands

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11
Q

What do the primary male reproductive glands produce (exocrine)

A

Sperm

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12
Q

What do the primary male reproductive glands produce (endocrine)

A

Testosterone

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13
Q

What are the sites where sperm is made

A

Seminiferous tubules

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14
Q

What do the primary female reproductive organs produce (exocrine)

A

Ova / eggs

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15
Q

What do the primary female reproductive organs produce ( endocrine)

A

Estrogen and progesterone

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16
Q

These serve as a functional layer and repeatedly degenerate and regenerate

A

Spiral arteries

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17
Q

These serve as basal layer and do not degenerate

A

Straight arteries

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18
Q

From fertilization to birth

A

Pregnancy

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19
Q

The developing offspring

20
Q

date from last menstral period

A

Gestation (before fertilization! 280 days)

21
Q

The conceptus from fertilization to week 8

22
Q

The conceptus from week 9 to birth

23
Q

Birth to 28 days

A

Newborn or neonate

24
Q

1 month to 1 years old

25
What are the processes for a sperm to successfully penetrate the egg .
1. approach 2. acrosomal reaction 3. binding 4. fusion 5. block of polyspermy
26
The passing of characteristics from parent to child
Heredity
27
The study of heredity or how genes are passed from one generation to the next and then how thoese genes act and interact
Genetics
28
this refers to wheter a person is homozygous (HH, hh) or Hetertozygous (Hh) for each allele
Geneotype
29
The manner in which the genotype is expressed
Phenotype
30
What is the reason why siblings are not identical giving that they all inherit the same set of genes (one gene from the mother and one gene from the father)
Independent assortment and genetic recombination
31
A three layered embryo starts off as a _______
Flat Plate
32
All human cells (except gametes) contain _____ chromosomes
46
33
What are gametes?
Sex cells
34
this contains two complete sets of chromosomes, one from each parent - all 46 chromosomes
Diploid
35
Chromosomes are ______ (paired)
Homologus
36
This is the 44 chromosomes that determine human traits ( other chromosomes)
autosomes
37
gene pairs where one is inherited from your father on one from your mother
Alleles
38
What is the second step to occur for sperm to successfully penetrate an egg
acromosomal reaction
39
What is the first step to occur for sperm to successfully penetrate an egg
approach
40
What is the third step to occur for sperm to successfully penetrate an egg
binding
41
What is the fourth step to occur for sperm to successfully penetrate an egg
Fusion
42
What is the 5th step to occur for sperm to successfully penetrate an egg
block of polyspermy
43
gene pairs are matched genes that occur on the same ______ on homologous chromosomes
locus
44
What are examples of dominant genes that are expressed through phenotype
webbed digits huntingtons disease normal skin pigmentation absence of cystic fibrosis
45
What are examples of recessive genese that are expressed through phenotype
normal digits albinism tay-sachs disease
46