saccus


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sac

 [sak]
a baglike organ or structure; see also bag, pocket, and pouch.
air s's (alveolar s's) the spaces into which the alveolar ducts open distally, and with which the alveoli communicate; see also lung.
amniotic sac the sac formed by the amnion, enclosing the fetus suspended in amniotic fluid; popularly known as the bag of waters.
conjunctival sac the potential space, lined by conjunctiva, between the eyelids and the eyeball.
endolymphatic sac the blind, flattened cerebral end of the endolymphatic duct.
hernial sac the peritoneal pouch that encloses protruding intestine.
lacrimal sac the dilated upper end of the nasolacrimal duct; see also lacrimal apparatus.
yolk sac the extraembryonic membrane connected with the midgut; in vertebrates below true mammals, it contains a yolk mass.
Yolk sac in a developing embryo. From Applegate, 2000.

sac

(sak), Do not confuse this word with sack.
1. A pouch or bursa.
See also: sacculus. Synonym(s): saccus
2. An encysted abscess at the root of a tooth.
3. The capsule of a tumor, or envelope of a cyst.
[L. saccus, a bag]

saccus

/sac·cus/ (sak´us) pl. sac´ci   [L.] sac.

sac

(sak)
1. A pouch or bursa.
Synonym(s): saccus [TA] .
2. An encysted abscess at the root of a tooth.
3. The capsule of a tumor, or envelope of a cyst.
See also: sacculus
[L. saccus, a bag]

saccus

pl. sacci [L.] a sac.

saccus cecus
fundus of the stomach in the horse.
saccus hypophysialis
an outgrowth of ectoderm coming directly from the roof of the stomodeum in the embryo; it comes into contact with a downgrowth from the forebrain and is later transformed into the anterior lobe of the pituitary.
References in periodicals archive ?
Uncus swollen at base, tip blunt, sparsely setosed; tegumen longer than uncus, inverted V-shaped; vinculum broad, shorter than tegumen; saccus wide and rounded.
In male genitalia, it resembles Platyptilia periacta Meyrick, 1910 in the shape of the valvae, uncus, and aedeagus, but can be easily distinguished from the latter species by the shape of the saccus and anellus.
40) The absurdly pompous Cato Saccus Iacchus for Sacco may recall the censorious Cato of antiquity, who appears at the opening of Martial's Epigrams.
a) lateral view of tegumen, saccus, uncus, gnathos and valva; b) opposite view of right valva; c) dorsal view of tegumen, fenestra and uncus; d) posterior view of fultura inferior; e) lateral (above), ventral (middle) and dorsal (below) views of aedeagus.
Uncus slender and long, sharp apically; tegumen broad; valva intermediate in size; cucullus arched; harpe slender and sharp apically, shorter than uncus; sacculus processus pointed apically; clavus rectangular; saccus intermediate in size (Figs.
Uncus almost as long as tegumen, slightly shrunk at base, pointed at top; tegumen relatively broad near the base; valve thin, long, shrunk near the base; cucullus round, broad, knife-shaped; costa and sacculus narrow, without process; saccus small, V-shaped.
Triuncina, Trilocha in appearance) by the following characters: uncus undivided, long and thin with pointed apex, valva bifid postmedially, costa long sickle-shaped, sacculus inflated; gnathos vestigial; saccus slender with apical oncoides; aedeagus slender, slightly arched.