Definition & Meaning | English word APOPHYSIS

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Definitions of APOPHYSIS

1. (anatomy) A natural outgrowth, swelling or enlargement, usually of an organism; a protuberance on a bone.
2. (botany) The external part of a cone scale.
3. (geology) A branch of a dike or vein.

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Examples of Using APOPHYSIS in a Sentence

• The cone scales have a flat to pyramidal apophysis (the external part of the cone scale), with a small prickle on the umbo (central boss or protuberance).
• In conifers where the cone develops over more than one year (such as pines), the first year's growth of a seed scale on the cone, showing up as a protuberance at the end of the two-year-old scale, is called an umbo, while the second year's growth is called the apophysis.
• Wanless divided the genus Portia into two species groups: the schultzi group, in which males' palps have a fixed tibial apophysis; and the kenti group, in which the apophysis of each palp in the males has a joint separated by a membrane.
• Depending on the tissue, processes may also be called by other terms, such as apophysis, tubercle, or protuberance.
• They can be identified from others of the same family by the large coniform apophysis on the male tibia, and from the Hadronyche by the lower caput height, caput being the front part of the cephalothorax.
• The male palpal organ of many Australian Afraflacilla species has a large, circling embolus (inseminating sclerite) and retro-lateral tibial apophysis (side spike).
• tridens ("trident") refers to the three projections in the male palp seen in ventral view (the embolus, its basal projection and the retrolateral tibial apophysis).
• The epitheton triramosa refers to the three-part retrolateral tibial apophysis (RTA) of the male palp.
• The family belongs to the RTA clade of spiders because they all have a Retrolateral Tibial Apophysis on the male pedipalp.
• In running and jumping movements, extreme contraction of the knee extensors can result in avulsion fractures of the tuberosity apophysis.
• The epigyne can vary, but the pedipalp has a median apophysis and a colulus is absent from both genders.
• Around half of modern spider species belong to the RTA clade, a group of spiders linked by the shared morphological trait of the retrolateral tibial apophysis (RTA) on the male pedipalp.
• A striking diagnostic character is the trochanter IV of male with strong medial prolateral apophysis forming a pincer with the dorso-apical apophysis of coxa IV.
• The palpal bulb of male basal salticids has a distinctive median apophysis, which is absent in the subfamily, and the cymbium is constricted at the tibial joint.
• Thrandina and its sister genus Galianora share the ancestral salticid traits of a tarsal claw on the female palpus and a median apophysis on the male palp.
• Collectively they are also known as the genial tubercle, genial apophysis and the Latin name spinae mentalis.
• Artoriinae are distinguished from all other Lycosidae by the presence of an apophysis at the base of the embolus (basoembolic) on the male palpal bulb.
• This is done only once during copulation and is accomplished by prying open the epigynum using the tibial apophysis as a lever.
• This species can be distinguished from its close relative Thomisus zyuzini by its long ventral tibial apophysis and retrolateral tibial apophysis, the arrangement of the basal tibia tubercle on the male palp, and the circular intromittent orifice, which is oriented anteriad in the epigynum.
• It differs from all other tarantulas by the paraembolic apophysis in the palpal bulbs of males, and a spermatheca with two spiral receptacles, which usually end in a caliciform or globular extension.
• However the retrolateral tibial apophysis on the pedipalps of Garcorops jadis is more pointed then that of G.
• Wanless divided the genus Portia into two species groups: the schultzi group, in which males' palps have a fixed tibial apophysis; and the kenti group, in which the apophysis of each palp in the males has a joint separated by a membrane.
• Therefore, an alternative view was proposed in 2022- a new genus established to accommodate pustulosa along with 11 other spider species from Australia; the diagnostic test based on haplotype analysis and systematic morphology study by arachnologists and found the anatomical features of male pedipalp terminal apophysis differs from other orb-web species.
• Sperm can only be transferred to the spermatheca if the spermatophore is located at the innermost corner of the bursa copulatrix and attached to the vaginal apophysis.
• Spiders of this genus have a typical "eriophorine" genital morphology: the male pedipalp has a paramedian apophysis and an elongated transverse median apophysis, while the female epigyne has an elongated scape without terminal pockets.

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