roundworms, earthworms and flatworms vocab

Platyhelminthes

flatworm

nematoda / aschelminthes

roundworm

turbullania

planaria

cephalization

concentration of sensory organs and nervous tissue that is closer to the head

pharynx

tube sucks up food through mouth

flame cells

system of flame cells use for excrete excess water and waste, their cilia move it out the excretory pores

proglottids

body sections of worm ex tapeworm

hypodermis

bottom layer of skin, goes along with muscle to help with movement

undulatory propulsion

wave like effect due to muscle contraction for locomotion

pseudocoelom

fluid filled body cavity

dioecious

separate sexes

annelids

segmented worms

pseudo hearts

blood pumping vessels, not complex tho

nephridia

tubule opening filters blood and excretes waste out excretory pore

ganglia

collection of nerve cell bodies

longitudinal muscle

supports stretch of the mo

clitellum

non segmented part of earthworm that stores eggs

copious

reproduce a lot

septa + partition

the splitting segments of the worm

hydrostatic skeleton

not real skeleton