• Thumbnail for Gonopore
    A gonopore, sometimes called a gonadopore, is a genital pore in many invertebrates. Hexapods, including insects, have a single common gonopore, except...
    2 KB (228 words) - 20:39, 5 July 2024
  • Thumbnail for Clitellum
    mouth. C, Okefenokee Swamp, GA (Pfl-2). Single star, male gonopore; double star, female gonopore, three annuli posterior to male. Scale bars, 1.0 mm....
    5 KB (453 words) - 19:36, 27 July 2024
  • Thumbnail for Mite
    surface by hardened sclerites; sometimes these form transverse ridges. The gonopore (genital opening) is located on the ventral surface between the fourth...
    47 KB (4,996 words) - 10:24, 5 September 2024
  • Thumbnail for Sex organ
    male structures that are inserted in the female or that hold her near her gonopore during sperm transfer"; female genitalia are defined as "those parts of...
    20 KB (1,995 words) - 16:24, 7 October 2024
  • Thumbnail for Isopoda
    underneath the thorax and form a brood chamber for the eggs. In males, the gonopores (genital openings) are on the ventral surface of segment eight and in...
    32 KB (3,678 words) - 07:33, 9 October 2024
  • Thumbnail for Crab
    similar change occurred, independently, with the female gonopores. The movement of the female gonopore to the sternum defines the clade Eubrachyura, and the...
    44 KB (4,512 words) - 09:13, 23 October 2024
  • Thumbnail for Leech
    the male gonopore of one leech being in contact with the female gonopore of the other. The penis passes a spermatophore into the female gonopore and sperm...
    56 KB (5,790 words) - 21:14, 3 November 2024
  • Thumbnail for Scorpion
    The ventral side of somite 1 has a pair of genital opercula covering the gonopore. Sternite 2 forms the basal plate bearing the pectines, which function...
    91 KB (9,238 words) - 06:21, 22 September 2024
  • Thumbnail for Gastrotrich
    is sometimes packaged in spermatophores and is released through male gonopores that open, often temporarily, on the underside of the animal, roughly...
    21 KB (1,935 words) - 07:55, 27 September 2024
  • Thumbnail for Sea urchin
    non-perforated. Close-up of a cidaroid sea urchin apical disc: the 5 holes are the gonopores, and the central one is the anus ("periproct"). The biggest genital plate...
    80 KB (8,034 words) - 07:49, 2 November 2024
  • Thumbnail for Octopus
    connected by the gonoduct to the mantle cavity, which it enters at the gonopore. An optic gland creates hormones that cause the octopus to mature and age...
    116 KB (12,065 words) - 08:58, 3 November 2024
  • Thumbnail for Heterotardigrada
    Heterotardigrades have gonoducts that open to the outside through a preanal gonopore, rather than opening into the rectum as in the only other confirmed class...
    3 KB (227 words) - 14:39, 4 July 2024
  • Thumbnail for Timeline of human evolution
    related to each other and called Nephrozoa). Xenacoelomorphs all have a gonopore to expel gametes but nephrozoans merged it with their anus. Earliest development...
    88 KB (3,574 words) - 02:31, 27 October 2024
  • Thumbnail for Earwig
    while the spermatheca is where sperm is stored. Unlike other insects, the gonopore, or genital opening is behind the seventh abdominal segment. The ovaries...
    53 KB (5,800 words) - 01:05, 3 October 2024
  • book lungs open at the edge of this furrow as do the genital openings (gonopores) Epigyne or epigynum (plural epigynes): A hardened plate on the underside...
    31 KB (3,157 words) - 19:16, 3 July 2024
  • Thumbnail for Rotifer
    sperm duct opens into a gonopore at the posterior end of the animal, which is usually modified to form a penis. The gonopore is homologous to the cloaca...
    37 KB (4,127 words) - 07:43, 27 September 2024
  • Thumbnail for Opiliones
    species, spiracles are also found upon the tibia of the legs. They have a gonopore on the ventral cephalothorax, and the copulation is direct as male Opiliones...
    63 KB (7,010 words) - 23:52, 25 October 2024
  • Thumbnail for Onychophora
    opening via a channel called a gonoduct into a common genital opening, the gonopore, which is located on the rear ventral side. Both the gonads and the gonoduct...
    94 KB (11,390 words) - 06:10, 3 November 2024
  • Thumbnail for Ferrisia virgata
    Theodore Dru Alison Cockerell in 1893. Ferrisia virgata duct Ferrisia virgata gonopore Ferrisia virgata first and second instar Invasive Species Compendium (2013)...
    1 KB (74 words) - 00:29, 20 November 2023
  • Thumbnail for Spider anatomy
    the openings to a pair of book lungs (absent in a few species) and the gonopore (genital opening). Then follows a segment with a second pair of book lungs...
    21 KB (2,560 words) - 09:38, 24 October 2024
  • Thumbnail for Reproductive system of gastropods
    Not found in all gastropods. Females have a gonopore that is connected to a seminal receptacle. The gonopore acts as an opening through which eggs are deposited...
    23 KB (2,539 words) - 14:20, 22 October 2024
  • Thumbnail for Tick
    and the gonopore is located between the fourth pair of legs. In the absence of segmentation, the positioning of the eyes, limbs, and gonopore on the idiosoma...
    70 KB (7,816 words) - 14:37, 28 October 2024
  • Thumbnail for Squid
    forming shells for the eggs. The gonocoel enters the mantle cavity at the gonopore, and in some species, receptacles for storing spermatophores are located...
    67 KB (6,860 words) - 20:39, 25 October 2024
  • that is part of the lateral line sense system of some aquatic organisms Gonopore, a genital pore present in some invertebrates, particularly insects Ozopore...
    3 KB (454 words) - 07:27, 13 July 2023
  • Thumbnail for Pulmonoscorpius
    a bilobed and laterally elongated genital operculum (a covering of the gonopore), followed by pectines (comb-like sensory appendages) with 150-160 narrow...
    10 KB (1,082 words) - 01:20, 6 August 2024
  • πορεύω, πορίζειν (porízein), πόρισμα (pórisma) aporetic, aporia, emporium, gonopore, ozopore, polypore, pore, porism, porismatic porc- pig Latin porcus porcine...
    2 KB (1,764 words) - 11:34, 28 October 2024
  • Thumbnail for Vetulocystidae
    that of the cystoids and eocrinoids) fulfilled the functions of anus and gonopore. Furthermore, and unlike many other echinoderms, these animals lacked a...
    5 KB (359 words) - 18:47, 31 October 2024
  • Thumbnail for Mantle (mollusc)
    space contains the mollusk's gills, anus, osphradium, nephridiopores, and gonopores. The mantle cavity functions as a respiratory chamber in most mollusks...
    6 KB (628 words) - 15:54, 24 October 2023
  • Thumbnail for Turtle leech
    to various ducts and to an external gonopore with an eversible penis controlled by a muscular bulb. The gonopore also functions as a receptacle for sperm...
    10 KB (1,165 words) - 21:16, 3 November 2024
  • Thumbnail for Entoprocta
    gonads, placed between the atrium and stomach, and opening into a single gonopore in the atrium. The eggs are thought to be fertilized in the ovaries. Most...
    30 KB (3,235 words) - 23:13, 21 September 2024