| ichthyopterygium | <anatomy> The typical limb, or lateral fin, of fishes. Origin: NL, fr. Gr, a fish + a fin. Source: Websters Dictionary (01 Mar 1998) |
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| ichthyornis | <paleontology> An extinct genus of toothed birds found in the American Cretaceous formation. It is remarkable for having biconcave vertebrae, and sharp, conical teeth set in sockets. Its wings were well developed. It is the type of the order Odontotormae. Origin: NL, fr. Gr, a fish + bird. Source: Websters Dictionary (01 Mar 1998) |
| ichthyosarcotoxin | Toxic substance found in the flesh or organs of fishes. Origin: ichthyo-+ G. Sarx, flesh, + toxikon, poison (05 Mar 2000) |
| ichthyosarcotoxism | Poisoning caused by the toxic substance (ichthyosarcotoxin) in the flesh or organs of fish. Origin: ichthyo-+ G. Sarx, flesh, + toxikon, poison (05 Mar 2000) |
| ichthyosaur | <paleontology> One of the Ichthyosaura. Origin: Cf. F. Ichthyosaure. Source: Websters Dictionary (01 Mar 1998) |
| ichthyosauria | <paleontology> An extinct order of marine reptiles, including Ichthyosaurus and allied forms; called also Ichthyopterygia. They have not been found later than the Cretaceous period. Origin: NL. See Ichthyosaurus. Source: Websters Dictionary (01 Mar 1998) |
| ichthyosaurian | <paleontology> Of or pertaining to the Ichthyosauria. One of the Ichthyosauria. Source: Websters Dictionary (01 Mar 1998) |
| ichthyosaurus | Origin: NL, fr. Gr. 'ichqys, -yos, a fish + say^ros a lizard. <paleontology> An extinct genus of marine reptiles; so named from their short, biconcave vertebrae, resembling those of fishes. Several species, varying in length from ten to thirty feet, are known from the Liassic, Oolitic, and Cretaceous formations. Source: Websters Dictionary (01 Mar 1998) |
| ichthyosiform erythroderma | A genodermatosis characterised by diffuse chronic erythema and scale formation which may be separated into bullous and nonbullous forms. Synonym: ichthyosiform erythroderma, ichthyosis spinosa, keratoma malignum. (05 Mar 2000) |
| ichthyosiform erythroderma, congenital | Designation for several severe forms of ichthyosis, present at birth, that are characterised by hyperkeratotic scaling. Infants may be born encased in a collodion membrane which begins shedding within 24 hours. This is followed in about two weeks by persistent generalised scaling. The forms include bullous (hyperkeratosis, epidermolytic), non-bullous (ichthyosis, lamellar), wet type, and dry type. (12 Dec 1998) |
| ichthyosis | <dermatology> A group of cutaneous disorders characterised by increased or aberrant keratinisation, resulting in noninflammatory scaling of the skin. Many different metaphors have been used to describe the appearance and texture of the skin in the various types and stages of ichthyosis, for example alligator, collodion, crocodile, fish and porcupine skin. most ichthyoses are genetically determined, while some may be acquired and develop in association with various systemic diseases or be a prominent feature in certain genetic syndromes. The term is commonly used alone to refer to i. Vulgaris. (18 Nov 1997) |
| ichthyosis congenita neonatorum | Generalised ichthyosis with parchment-like skin seen in premature babies. (05 Mar 2000) |
| ichthyosis corneae | An ocular complication of a congenital abnormality of the skin with corneal keratinization, dryness, and scaling. (05 Mar 2000) |
| ichthyosis foetalis | Recessive condition in Holstein and Norwegian red poll cattle resembling harlequin foetus in humans. See: harlequin foetus (05 Mar 2000) |
| ichthyosis follicularis | A form of autosomal dominant type of ichthyosis, with horny follicular plugging of the extensor surfaces of the extremities; onset in early childhood. (05 Mar 2000) |
| ichthy(o)- |
a combining form denoting relationship to fish.
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| ichthyism |
ichthyotoxism.
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| ichthyoacanthotoxin |
the venom secreted by venomous fishes, in connection with stings, spines, or “teeth.”
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| ichthyoacanthotoxism |
intoxication resulting from injuries produced by the stings, spines, or “teeth” of venomous fishes.
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| ichthyocolla |
isinglass.
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