Resembling a slit.

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  • hagfish — /hag fish /, n., pl. (esp. collectively) hagfish, (esp. referring to two or more kinds or species) hagfishes. any eellike, marine cyclostome of the order Myxiniformes, having undeveloped eyes, a barbel rimmed, circular mouth, and horny teeth for… …   Universalium

  • penis — penile /peen l, pee nuyl/, penial /pee nee euhl/, adj. /pee nis/, n., pl. penises, penes / neez/. Anat., Zool. the male organ of copulation and, in mammals, of urinary excretion. [1685 95; < L penis tail, penis] * * * Male sex organ, which also… …   Universalium

  • reproductive system, human — Organ system by which humans reproduce. In females, the ovaries sit near the openings of the fallopian tubes, which carry eggs from the ovaries to the uterus. The cervix extends from the lower end of the uterus into the vagina, whose opening, as… …   Universalium

  • renal system — ▪ anatomy Introduction  in humans (human body), organ system that includes the kidneys, where urine is produced, and the ureters, bladder, and urethra for the passage, storage, and voiding of urine.       In many respects the human excretory, or… …   Universalium

  • Septum — A word borrowed from the Latin "saeptum" meaning a "dividing wall or enclosure." * * * 1. [TA] A thin wall dividing two cavities or masses of softer tissue. See septal area, transparent s.. 2. In fungi, a wall; usually a cross …   Medical dictionary

  • recess — A small hollow or indentation. SYN: recessus [TA]. [L. recessus] anterior r. a circumscript deepening of the interpeduncular fossa in the direction of the mamillary bodies. SYN: recessus anterior [TA]. anterior r. of tympanic …   Medical dictionary

  • Discorbacea — Discorbacea. Temporal range: Middle Triassic–Recent …   Wikipedia

  • Tori Busshi — (止利仏師) was a Japanese sculptor active in the late 6th and early 7th century. He was from the Kuratsukuri (鞍作, saddle maker ) clan, and his full title was Shiba no Kuratsukuri be no Obito Tori Busshi (司馬鞍作部首止利仏師); Busshi is a title meaning the… …   Wikipedia

  • ostium — n.; pl. ostia [L. ostium, door] 1. Any opening to a passage, usually associated with a valve or circular muscle. 2. (ARTHROPODA) The paired slitlike openings in the heart. 3. (ARTHROPODA: Insecta) In male Lepidoptera, the opening or area through… …   Dictionary of invertebrate zoology

  • pelecaniform — [pel΄ ə kan′ə fôrm΄] adj. of, or having the nature of, an order (Pelecaniformes) of swimming birds having all four toes connected in a webbed foot, including pelicans and cormorants * * * ▪ bird Introduction    any of the relatively large and… …   Universalium

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