Chapter 9 - Allergens and Antigens

Question 1

What is the fancy term for “wind pollinated”

Answer 1

anemophilous (important for allergenicity)

Question 2

what is the fancy term for “insect pollinated”

Answer 2

entomophilous (most common form of pollination)

Question 3

what is pollen on the biological level

Answer 3

male gametophyte. Pollination is transfer of pollen from the anther sac (male part) to the stigma (female portion) of the same or another flower

Question 4

what are plant species that have both male and female flowers on the SAME plant called

Answer 4

monoecious (perfect, both male and female parts are on the same flower). Diclinous flowers have male and female flowers on different flowers, but same plant.

Question 5

what are plant species that have male and female flowers on different plants

Answer 5

separate male and female plants. Dioecious.

(contrast to diclinous, which have different flowers on same plant. Here they are separate plants all together)

Question 6

Answer 6

grass pollen

monoporate

may have a cap (operculum)

Question 7

What is mnemonic for northern grasses

Answer 7

I grew up in the NORTH where I got TO (timothy, orchard) Relish (rye) Fresh (fescue) SWEET (sweet vernal) BLUEberries (bluegrass)

Question 8

What is the mnemonic for southern grasses

Answer 8

Then I moved to the SOUTH for LOVE (lovegrass) and my Boo (bermuda) Bought (Bahia) me JOHNSONS and PRAIRIE

Question 9

grass cross-reactivity CCF

Answer 9

all grasses cross-react except Bermuda and Johnson

Question 10

what are general classes of weeds

Answer 10

amaranths and chenopods

Question 11

Answer 11

chenopod pollen

chenopod is a type of weed, highly cross-reactive with amaranths

an example is lambs quarter

look at the golf ball shape

Question 12

what class of pollen is Ragweed

Answer 12

ambrosia

a composite class of weed pollen

Question 13

Answer 13

ragweed. note that I’m not sure that distinguishing this from a chenopod would be fair game, but you can at least tell that it is a weed of some sort

Question 14

Answer 14

sage pollen, a type of weed

Question 15

Answer 15

cocklebur

looks like ragweed but larger and smaller, blunter spikes

Question 16

Answer 16

nettle pollen

type of weed

one of the smallest pollens

Question 17

Answer 17

plantain

large, periporate, distinctive doughnut pore cap

Question 18

Answer 18

dock or sorrel

characteristic starch inclusion granules, furrows are long, almost reaching the pores