HomeGlossary of Anatomical Terms
General Information
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This is a listing of some of the controlled vocabularies used by FlyBase. There are links to FlyBase Term reports for each occurance of a BODY PART controlled vocabulary term in this glossary. Click these to search for things associated with particular controlled vocabulary terms throughout FlyBase or browse through all the terms starting at this page. The purpose of this glossary is to define some basic anatomical (structural) terms as well as to define some of the Drosophila jargon and insect morphological terms used in FlyBase. Help for the controlled vocabulary is also available. |
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Terms: A
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| A |
the mature form and final
developmental stage.
an
organ system pertaining to fat.
the main part of the
male genitalia used for copulation.
of or pertaining to the wings.
the posterior invagination of
ectoderm that gives rise to part of the
digestive system.
a dorsal membrane of the
embryo.
the progenitor cells of tissues at
blastoderm.
anterior
an adjective meaning toward the
frontal or head end of an organism, opposite of posterior.
apical
an adjective meaning at the tip of
something.
apophysis
an ingrowth of the
adult thorax for muscle insertion.
articulation
a movable joint between parts.
axillary
of or pertaining to the wing
base.
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Terms: B
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| B |
of or pertaining to the base of
something.
a larval sense organ and
photoreceptor.
boundary
the place where two
segments or compartments meet.
the main preoral ganglionic mass of
the central nervous system
containing the ventral ganglia.
bristles
see
macrochaetae.
of or pertaining to the mouth.
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Terms: C
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| C |
campaniformium
a bell- or dome-like mechanoreceptor
sense organ.
cardial
of or pertaining to the heart.
caudal
of or pertaining to the tail or
tail-end.
cell
the basic unit making up an organism
bounded by the cell membrane.
the part of the nervous system
consisting of the brain
and ventral ganglia.
cephalic
of or pertaining to the
head.
a group of
sclerites of the anterior
embryonic/larval digestive system.
cerebral
of or pertaining to the
brain.
cervical
of or pertaining to the neck.
a chitinous
external sensory organ.
chitin
a hard material composing the
cuticle of the
integumentary system.
an
external sensory organ for mechanical or sound vibration
reception.
a hard shell external to the
vitelline membrane of the
egg.
a round structure on the center of
the frontal
adult external head.
a transverse
nerve fibre connecting longitudinal
nerve fibres.
compartment
compound eye
see
eye.
a longitudinal
nerve fibre connecting transverse
nerve fibres.
contralateral
of or pertaining to the opposite
side, opposite of ipsilateral.
the transparent cuticular covering of
each
ommatidium of the
eye.
the outer non-living layer of the
integumentary system derived from the
epidermis.
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Terms: D-F
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| D |
a crossing of
nerve fibres.
the small tooth-like features of the
cuticle that make up the
denticle belts.
the
organ system involved in the absorption of nutrients.
disc
see
imaginal disc.
distal
of or pertaining to the end of
something away from the center or attachment site, opposite of
proximal.
dorsal
of or pertaining to the top or
back-side of something, opposite of ventral.
the respiratory structures on the
anterior dorsal side of the
egg.
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| E |
the outermost germ
layer of the
embryo.
a compartment of an
ovariole.
the regions of the
embryo formed by morphogenetic movements as cells
invaginate.
the innermost germ
layer of the
embryo.
the compound eye is a light sensing
organ made up of
ommatidium.
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| F |
a bundle of
nerve fibres.
a tissue of the
adipose system containing fat reserves and which is a site of
metabolism.
the cells that make up the inner
lining of the
ovariole.
an opening in the
adult external skeleton.
an anterior part of the
alimentary canal derived from the
ectoderm.
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Terms: G-H
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| G |
a component of the
nervous system made up of a mass of
neurons.
an
embryonic stage at which complex morphogenetic movements result
in the formation of the three
germ layers;
ectoderm,
mesoderm and
endoderm.
an area on the side of the
head capsule below the
eyes.
the reproductive organs on the
adult external abdomen.
the supporting cells of the
nervous system.
glomerulus
a nest of
nerve fibres.
the
head segments that develop posterior to the embryonic/larval mouth.
the organs of the
reproductive system in which the germ
cells reside.
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| H |
the appendages of the dorsal
adult external thorax used for flight balance.
the region of cuticle that encloses
the
adult external head.
a posterior part of the
alimentary canal derived from the
ectoderm.
the groups of cells in the
larval abdomen which give rise to the
adult external abdomen.
humeral
usually pertaining to the
dorsal prothorax.
humerus
see
postpronotum.
hypoderm
see
epidermis.
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Terms: I-J
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| I |
imago
see
adult.
instar
the form of one of the three
successive
larval stages.
the
organ system that forms the covering layer of the animal.
one of the
procephalic segments.
intervein
see wing
cell.
ipsilateral
of or pertaining to the same side,
opposite of contralateral.
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| J |
a
chordotonal organ of
antennal segment 2 used to sense mechanical vibration.
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Terms: K-L
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| L |
the lobes at the distal end of the
mouthparts.
the
developmental stage of the immature animal before
metamorphosis.
lateral
of or pertaining to a side.
the walking appendages of each
segment of the ventral
adult external thorax.
lobular
of or pertaining to small lobes.
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Terms: M
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| M |
large bristles which are
external sensory organs.
the small tubes of the
excretory system that open into the posterior portion of the
alimentary canal.
mandible
see
mouth hooks.
margin
the border or edge of the
wing.
the appendages of the
mouthparts representing
adult maxillary structures.
medial
of or pertaining to the middle.
the central region of the
adult brain.
metamere
a division or
segment of the body.
a small opening on the surface of the
egg through which a
spermatozoon enters.
the part of the
alimentary canal derived from the
endoderm.
the
neurons which send movement impulses to the
muscle system.
that part of the
cephalopharyngeal skeleton of the larva
that represent the mandibles.
the place where the
muscle system attaches to the body wall.
a nerve center of the
protocerebrum of the
adult brain.
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Terms: N-O
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| N |
a complete nerve cell and a component
of a nerve
in the
nervous system.
notum
see
scutum.
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| O |
occipital
of or pertaining to the back of the
head.
a photoreceptor located on the dorsal
part of the
head capsule.
oesophageal
of or pertaining to the oesophagus, a
region of the
alimentary canal.
a unit of the compound
eye.
a region of the
adult brain that processes the visual information from the
compound
eyes.
orbital
of or pertaining the region of the
head capsule around the compound
eye.
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Terms: P
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| P |
a sensory appendage of the
mouthparts.
a small nipple-like structure.
of or pertaining to something around
or surrounding something else, usually an appendage.
the outer parts of the nervous system that perform sensory and
motor functions.
pharate adult
the
developmental stage after the imago
has eclosed but not yet lost the
cuticle from the previous
developmental stage.
of or pertaining to the pharynx, an
anterior region of the
alimentary canal.
a light sensitive
sense organ.
a partition-like structure of the
adult external
cuticle.
placode
a flat, plate-like structure.
a region of the side of the
adult external thorax.
a bridge-like component of the
male terminalia.
posterior
of or pertaining to the tail end away
from the head, opposite of anterior.
a posterior region of the
head capsule behind the
gena.
precursor
something which gives rise to
something more complex later in development.
presumptive
a term used to describe something
that will give rise to something else later in development.
primordium
a term used to describe something in
its earliest stages of development.
the trunk-like extension of the
mouthparts on the
adult external head.
the
head segments that are anterior to the
gnathal segments.
process
an elongated structure or
projection.
the posterior part of the
alimentary canal that is derived from the
amnioproctodeal invagination of the
ectoderm.
proximal
of or pertaining to the end of
something nearest the center or attachment site, opposite of
distal.
the hard outer case derived from the
third instar larval cuticle that forms a covering during the
prepupal stage and
pupal stage.
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Terms: Q-R
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