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BIOL 2151 > Lab Practical 3 > Flashcards

Lab Practical 3 Flashcards

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

A

Conceptus

20
Q

date from last menstral period

A

Gestation (before fertilization! 280 days)

21
Q

The conceptus from fertilization to week 8

A

Embryo

22
Q

The conceptus from week 9 to birth

A

Fetus

23
Q

Birth to 28 days

A

Newborn or neonate

24
Q

1 month to 1 years old

A

Infant

25
Q

What are the processes for a sperm to successfully penetrate the egg .

A
  1. approach
  2. acrosomal reaction
  3. binding
  4. fusion
  5. block of polyspermy
26
Q

The passing of characteristics from parent to child

A

Heredity

27
Q

The study of heredity or how genes are passed from one generation to the next and then how thoese genes act and interact

A

Genetics

28
Q

this refers to wheter a person is homozygous (HH, hh) or Hetertozygous (Hh) for each allele

A

Geneotype

29
Q

The manner in which the genotype is expressed

A

Phenotype

30
Q

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)

A

Independent assortment and genetic recombination

31
Q

A three layered embryo starts off as a _______

A

Flat Plate

32
Q

All human cells (except gametes) contain _____ chromosomes

A

46

33
Q

What are gametes?

A

Sex cells

34
Q

this contains two complete sets of chromosomes, one from each parent - all 46 chromosomes

A

Diploid

35
Q

Chromosomes are ______ (paired)

A

Homologus

36
Q

This is the 44 chromosomes that determine human traits ( other chromosomes)

A

autosomes

37
Q

gene pairs where one is inherited from your father on one from your mother

A

Alleles

38
Q

What is the second step to occur for sperm to successfully penetrate an egg

A

acromosomal reaction

39
Q

What is the first step to occur for sperm to successfully penetrate an egg

A

approach

40
Q

What is the third step to occur for sperm to successfully penetrate an egg

A

binding

41
Q

What is the fourth step to occur for sperm to successfully penetrate an egg

A

Fusion

42
Q

What is the 5th step to occur for sperm to successfully penetrate an egg

A

block of polyspermy

43
Q

gene pairs are matched genes that occur on the same ______ on homologous chromosomes

A

locus

44
Q

What are examples of dominant genes that are expressed through phenotype

A

webbed digits
huntingtons disease
normal skin pigmentation
absence of cystic fibrosis

45
Q

What are examples of recessive genese that are expressed through phenotype

A

normal digits
albinism
tay-sachs disease

46
Q
A

BIOL 2151 (3 decks)

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