fastigium

[fas-tij´e-um] (L.)

1. the highest point in the roof of the fourth ventricle of the brain.

2. the acme, or highest point. adj., adj fastig´ial.

fas·tig·i·um

(fas-tij'ē-ŭm),

1. Apex of the roof of the fourth ventricle of the brain, an angle formed by the anterior and posterior medullary vela extending into the substance of the vermis.

2. The acme or period of full development of a disease.

[L. top, as of a gable; a pointed extremity]

Farlex Partner Medical Dictionary © Farlex 2012

fastigium

(fă-stĭj′ē-əm)

The period of maximum severity or intensity of a disease or fever.

fas·ti·gi·um

(fas-tij'ē-ŭm)

1. [TA] Apex of the roof of the fourth ventricle of the brain, an angle formed by the anterior and posterior medullary vela extending into the substance of the vermis.

2. The acme or period of full development of a disease.

[L. top, as of a gable; a pointed extremity]

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

fastigium

1. The point of maximal severity of a disease.

2. The peak of a fever.

Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

fas·ti·gi·um

(fas-tij'ē-ŭm)

1. [TA] Apex of roof of fourth ventricle of brain, an angle formed by the anterior and posterior medullary vela extending into substance of vermis.

2. The acme or period of full development of a disease.

[L. top, as of a gable; a pointed extremity]

Medical Dictionary for the Dental Professions © Farlex 2012

References in periodicals archive

Fastigium of vertex slightly divided by middle sulcus, tegmina wide and without a pale band in its basal half .....

Systematic Study on the Various Tribes of Phaneropterinae (Tettigonioidea: Orthoptera) Occurring in Pakistan

Description.--Large size, short head, wide round eyes, fastigium verticis as wide as or slightly wider than scapus of antennae, in contact with fastigium frontis, fronto-genal carinae very indistinct.

Paraplangia sinespeculo, a new genus and species of bush-cricket, with notes on its biology and a key to the genera of Phaneropterinae (Orthoptera: Tettigonioidea) from Madagascar

- Foveolae triangular hardly reaching the fastigium of vertex; mesosternal interspaces hardly wider than long or narrow than long ........................

Oedipodinae (Acrididae: Orthoptera) of Azad Jammu and Kashmir, Pakistan

In the descriptions below the following conventions were adopted for specimen measurements: body length: the distance from apex of fastigium verticis to posterior margin of tenth abdominal tergite; tegmen: the visible distance from base of tegmen to the apex in lateral vew; hind femur: the distance from base of hind femur to the apex of genicular or kneelobe.

Two new species of Tetrigidae (Orthoptera: Tetrigoidea: Tetrigidae) from Guangxi, China

The projection running from the face to the fastigium verticis was more acute in L.

Review of the genus Lunidia Hemp (Orthoptera: Phaneropteridae) and the description of a new species from the Uluguru Mountains of Tanzania, East Africa

Slender, compressed, rather long-legged, pale delphacid with distinctive longitudinal dark brown to black stripes on face and several maculations on thorax and abdomen Head narrower than pronotum (1: 1.4).Vertex in dorsal view short and narrow, a little longer than wide, about 1/3 of its total length projecting beyond the anterior margin of eyes, posterior compartments as long as anterior one, with shallow depressed areas marked on both sides, lateral margin ridged and slightly elevated above eye; submedian carinae arising near anterior margin of the eyes, near to lateral carinae, meeting shortly before the fastigium, delimiting a very shallow, small sub-apical areola continued into a simple nonfurcatedmedian carina; angle of vertex to frons: ca 85-90[degrees].

A new genus and species of Delphacini (Hemiptera: Fulgoromorpha: Delphacidae) associated with hydrophytic plants in Argentina

Diagnosis.--Body with integument slightly or strongly tuberculate and granulated; antenna longer than head and pronotum together; head conical, irons incurved; fastigium of vertex elongate-angular and sloping forwards; frontal ridge weak, strongly constricted below lateral ocelli; eyes convex; ocelli small.

Redescription and diagnosis of the African genus Gemeneta Karsch, 1892 (Orthoptera: Acrididae: Catantopinae)

The head is large conical, frons long-ovoid, vertex arched, steeply sloping between compound eyes, fastigium of vertex small, deeply furrowed, lying between dorsal margins of antennal scrobae.

Morphology and Burrowing Behaviour of Schizodactylus minor (Ander, 1938) (Grylloptera: Schizodactylidae: Orthoptera) of Pakistan

Frons parallel-sided, median carina forked near fastigium, arms closely approximated onto vertex.

An annotated checklist of the delphacid planthoppers (Hemiptera: Delphacidae) of Florida with the description of three new species and the new genus, Meristopsis

According to Ragge (1962), the genera Drepanophyllum Karsch, 1890, Stenamblyphyllum Karsch, 1896, Debrona Walker, 1870, and Tetraconcha Karsch, 1890 are a fairly well-defined group of African Phaneropterinae, in which the fore tibiae are biconchate and the fastigium of the vertex has a steeply sloping or vertical sulcus.

Revision of the tropical African genus Tetraconcha (Orthoptera: Tettigoniidae: Phaneropterinae) with the description of ten new species

Fastigium of vertex nearly twice as broad as long; carinula of vertex absent, frontal ridge divergent downwards with moderately deep sulcus.

Review of the Genus Hieroglyphus Krauss 1877 (Hemiacridinae: Acrididae: Orthoptera) with Description of One New Species From Pakistan