Biology Vocabulary Vertebrate Section
Terms
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- Scales
- Dry Flake of Epidermis shed from the skin
- Integumentary System
- bodily system consisting of skin and associated structures. (hair, nails, sweat glands)
- Cartilage
- tought, elastic, fibrous connective tissue found in various parts of the body, such as joints, outer ear and larynx.
- Swim Bladder
- Air filled structure in fish that maintain buoyancy and determine the level at which the fish swims at
- Lateral Line System
- Line on top of the fish to detect vibrations, odors, electricity, and chemicals in the water
- Exothermic & Ectothermic
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Exothermic-warm blooded
Ectothermic-cold blooded - Gill
- Respitroy organ of aquatic animals that breathe water to obtain oxygen
- Spawning
- To deposit eggs, produce spawn
- Artery
- carry blood from the heart
- Vein
- carry blood to the heart
- Atrium
- body cavity or chamber on upper heart chambers that receives blood from veins
- Ventricle
- small cavity recieves blood from arteries and veinsand forces it into aorta
- dorsal fin
- main fin located on back of fish
- caudal fin
- tail fin
- pectoral fin
- anterior pair of fins attached to pectoral girdle
- anal fin
- last fin, close to caudal find, underside of body
- barbels
- sleder, whiskerlike organs extending from head of certain fishes
- pelvic fin
- either of a pair of lateral hind fins of fishes, attached to pelvic girdle and corresponding to hind limbs of higher vertbrates
- chromatophores
- pigment containing cell, that can change the color of skin by expanding and contracting.
- cerebrum
- large round structure of the brain that controls and intergrates thought, reason, emotion, and memory
- cerebrellum
- trilobed stucture of brain, behind pons and medulla oblongata
- optic lobes
- either of 2 lobes of dorsal part of midbrain, containing primary visual centers
- medulla oblongata
- lowermost portion of vertebrate brain, continuous with spinal cord, responsible for respiration, circulation, and bodily functions
- cutaneous respiration
- a way of breahing through the skin
- lungs
- 2 spongy, sac-like repsitory organs in most vertebrates, removes CO2 from blood, and provides it with oxygen
- cloaca
- common cavity into which intestinal, genital, and urinary tracts open.
- tympanic membrane
- thin, semitransparent, oval shpaed membrane that separates middle ear from external ear
- metamorphosis
- change in form and habits of animals during normal development after embryonic stage
- vocal cords
- 2 pairs of bands of mucous membrane
- nicitating membrane
- transparent inner eyelid
- tadpole
- limbless aquatic larva
- amniote egg
- waterproof egg
- amnion
- thing tough membranous sac
- chorion
- outer membrane enclosing embryo in reptiles bird and mammals
- yolk
- yellow, spherical portion of egg
- alantois
- membranous sac that develops from the posterior part of alimentary canal in embryos
- egg tooth
- hard toothlike projection of the beak
- jacobsons organ
- extra sensitive organ that can detect chemicals in the air
- carapace
- protective shell like covering on turtle/crustacean
- plastron
- ventral part of shell of turtle/tortoise
- feather
- light flat growth forming plumage of birds
- air sacs
- air filled space in the body of birds that connects lungs and bone cavities
- crop
- pouchlike enlargement of birds gullett, holding food
- endothermic
- organism that generates heat to maintain body temperature
- sternum
- long flat bone in vertebrates
- incubate
- sit on(eggs) to provide heat
- precocial
- capable of moving about when hatched, does not need much care of mother
- altricial
- helpless, naked and blind when hatched, needs weeks of care from mother
- gizzard
- digestive organ after the stomach
- hair
- growth of filaments, forming coat of animal
- diaphragm
- membranous part that divides and separates
- incisors
- tooth for cutting/gnawing-in front of mouth
- bicuspid
- tooth with 2 cusps/points
- molars
- tooth with broad crown to grind food
- canine teeth
- any of 4 teeth with thick conical crown and root
- mammary glands
- milk producing gland in females
- glands
- organ that secretes a substance
- placenta
- part within ovary of plant to which ovules attach
- gestation
- period of development in uterus from conception till birth
- marsupial
- nonplacental mammals of the order marsupialia
- monotreme
- member of monotremata, primitive egg laying mammals