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50 Cards in this Set
- Front
- Back
Stylet |
Piercing mouth part |
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Renette cells |
Specialized excretory cell in nematodes |
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Amphids |
Chemoreceptor cell in nematodes |
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Annules |
Rings around nematodes |
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Pellicle |
A thin layer supporting the cell membrane |
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Extrusomes |
Membrane bound structure that discharges it’s contents outside of the cell |
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Binary fission |
Asexual reproduction when a cell divides and gives rise to 2 cells |
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Pseudopodia |
Temporary projection of cytoplasm for locomotion |
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Endocytosis |
Transport of food into a cell using a vacuole |
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Alveoli |
System of flattened sacs in dinoflagellates |
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Apical complex |
Attaches the parasite to the host cell and releases a substance that makes the host draw the parasite in |
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Macronucleus |
The larger nucleus in a protist |
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Micronucleus |
The smaller nucleus in a protist |
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Hydrogenosomes |
Highly modified mitochondria |
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Mitosomes |
Mitochondria-like organelle in protists |
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Pinacocytes |
On of the flattened cells in porifera that makes up the outer surface |
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Choanocytes |
Flagellated cell which lines the internal chambers of sponges |
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Mesohyl |
Gelatinous matrix in a sponge |
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Ostia |
Hole in a sponge |
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Spongocytes |
Cell that secretes spongin |
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Spongin |
Protein that forms skeleton of sponges |
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Sclerocyte |
Specialized cells that secrete the mineralized structures in the body walls in inverts |
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Archeocyte |
Type of amebocyte that develops into reproductive cells |
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Gemmules |
Tough-coated cluster of embryonic cells in a sponge |
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Water vascular system |
Used for locomotion, feeding, waste, and respiration in echinoderms |
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Oral surface |
side of the mouth in echinoderms |
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Aboral |
Side opposite the mouth in echinoderms |
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Tube feet |
Fluid filled muscular tubes of echinoderms used for locomotion and respiration |
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Ambulacra |
Groove on underside of echinoderms |
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Ring canal |
Circular water tube in echinoderms |
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Madreporite |
Plate functioning as a trap door for bringing in and expelling water in echinoderms |
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Ossicles |
Small bone in middle ear |
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Pedicellariae |
Small appendage with movable jaws |
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Stone canal |
Tube in echinoderms that contain deposits and lead to the madreporite to the ring canal |
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Pinnules |
Small branches |
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Calyx |
Funnel shaped structures that are passageways of urine |
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Cardiac stomach |
Part of stomach between the cardiac valve and the caecum |
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Pyloric stomach |
Part of stomach that closes the opening from the stomach to the intestine |
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Pyloric ceaca |
Part of intestine that aids digestion |
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Aristotle’s lantern |
Structure supporting teeth of sea urchins |
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Respiratory trees |
Respiratory apparatus with a short tube in hind gut and two long tubes with branches |
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Cuvierian tubules |
Clusters of sticky tubules at base of respiratory tree, discharged by sea cucumbers |
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Proboscis |
Hollow organ connected to head (trunk, snout...) |
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Collar |
Band around neck of animal |
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Trunk |
Enlarged proboscis |
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Notochord |
Skeletal rod supporting the body in embryonic animals |
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Dorsal neural tube |
Develops in brain and spinal cord |
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Pharangeal Gill slits |
Filter feeding organs in invertebrates |
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Postanal tail |
Tail |
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Endostyle |
Long ciliated groove that produced mucus to gather food particles |