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Glossary of biological terms: T A
B C D
E F G
H I J
K L M
N O P
Q R S
T U V
W X Y
Z
tagma (plural: tagmata) (zoology).
Applies to the arthropods where the
segments of the body are grouped into different functional units (regions of
specialisation) called tagmata. In the insects
there are three tagmata: head, thorax and abdomen. In the Cheliceriformes
(which includes the arachnids) there are
two tagmata: prosoma and opisthosoma. Regional specialisation of the arthropod
body is termed tagmosis.
tepal (botany). Like a petal but applies to
flowers where the calyx and corolla (together termed the perianth)
are combined into one unit. See perianth
for illustration.
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