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15 relations: Biological specificity, Corpus allatum, Diapause, Ecdysone, Ecdysteroid, Hemolymph, Hormone, Insect physiology, Ligature (medicine), Moulting, Prothoracic gland, Pupa, Sessility (motility), Stefan Kopec, Vincent Wigglesworth.
Biological specificity
In biology, biological specificity is the tendency of a characteristic such as a behavior or a biochemical variation to occur in a particular species.
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Corpus allatum
In insect physiology, the corpus allatum (plural: corpora allata) is an endocrine gland which generates juvenile hormone; as such, it plays a crucial role in metamorphosis.
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Diapause
Diapause, when referencing animal dormancy, is the delay in development in response to regularly and recurring periods of adverse environmental conditions.
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Ecdysone
Ecdysone is a steroidal prohormone of the major insect molting hormone 20-hydroxyecdysone, which is secreted from the prothoracic glands.
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Ecdysteroid
Ecdysteroids are arthropod steroid hormones that are mainly responsible for molting, development and, to a lesser extent, reproduction; examples of ecdysteroids include ecdysone, ecdysterone, turkesterone and 20-hydroxyecdysone.
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Hemolymph
Hemolymph, or haemolymph, is a fluid, analogous to the blood in vertebrates, that circulates in the interior of the arthropod body remaining in direct contact with the animal's tissues.
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Hormone
A hormone (from the Greek participle “ὁρμῶ”, "to set in motion, urge on") is any member of a class of signaling molecules produced by glands in multicellular organisms that are transported by the circulatory system to target distant organs to regulate physiology and behaviour.
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Insect physiology
Insect physiology includes the physiology and biochemistry of insect organ systems.
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Ligature (medicine)
In surgery or medical procedure, a ligature consists of a piece of thread (suture) tied around an anatomical structure, usually a blood vessel or another hollow structure (e.g. urethra) to shut it off.
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Moulting
In biology, moulting (British English), or molting (American English), also known as sloughing, shedding, or in many invertebrates, ecdysis, is the manner in which an animal routinely casts off a part of its body (often, but not always, an outer layer or covering), either at specific times of the year, or at specific points in its life cycle.
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Prothoracic gland
The prothoracic glands are either of a pair of endocrine glands located in the prothorax of certain insects that regulate molting.
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Pupa
A pupa (pūpa, "doll"; plural: pūpae) is the life stage of some insects undergoing transformation between immature and mature stages.
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Sessility (motility)
In biology, sessility (in the sense of positional movement or motility) refers to organisms that do not possess a means of self-locomotion and are normally immobile.
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Stefan Kopec
Stefan Kopeć (Jan 22,1888 – † March 11, 1941M. Manowski, (Bartoszewski et al)) was a Polish biologist and pioneer of insect endocrinology, who studied at the Jagiellonian University in Kraków.
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Vincent Wigglesworth
Sir Vincent Brian Wigglesworth CBE FRS (17 April 1899 – 11 February 1994) was a British entomologist who made significant contributions to the field of insect physiology.
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References
[1] https://en.wikipedia.org/wiki/Prothoracicotropic_hormone
