sac

(redirected from saclike)
Also found in: Dictionary, Thesaurus, Encyclopedia.

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]

sac

(săk)
n.
A pouch or pouchlike structure in an organism, sometimes filled with fluid.

sac

A pouch or other enclosed anatomic structure.

SAC

Abbreviation for:
seasonal acute conjunctivitis
serous adenocarcinoma
Sexual Addiction and Compulsion
Specialty Advisory Committee, see there 
splinting for acute closure
standardised assessment of concussion
stoma appliance customisation
substance abuse counsellor

sac

Medtalk A pouch or other enclosed structure. See Alveolar sac, Gestational sac, Pouch, Yolk 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]

sac

Any bag-like organ or body structure.

sac

a bag-like or pouched structure.

sac

(sak)
1. Encysted abscess at the root of a tooth.
2. Pouch or bursa.
3. Capsule of a tumor, or envelope of a cyst.
[L. saccus, a bag]

Patient discussion about sac

Q. what does it mean when an ultrasound shows an empty amniotic sac and no baby?

A. This exact thing happened with my friend who is now 22 weeks with her first baby. She had 2 additional sacs - both empty - and the doctor said that the pregnancy had probably started out as triplets but that only one of the embryos had actually established and continued to grow.

Her doctor said it is very common for a woman to have more than one egg fertilize but that in most cases the pregnancy continues as a singleton only. She told my friend that the empty sacs would just disappear through time (which they did) and that they posed no danger to her baby.

More discussions about sac
References in periodicals archive ?
Small, spiny, stout, with hollow, barbed, upright spicules; with or without dorsal carina; cuticle and epidermis thin, without stalked papillae; radula with distichous hooks; multicellular dorsal salivary glands not opening through a papilla; ventral salivary glands saclike with tubular ducts; midgut not sacculate or indistinctly so; with an elongate pericardial cavity forming an anterior glandular sac ("sac ovigere" of Pruvot [1891]); pericardial glands present; seminal receptacles as saclike extensions of lower gametoducts; with copulatory spicules; mantle cavity with numerous long respiratory papillae; dorsoterminal sense organ present.
Seminal receptacles as saclike anterior extensions of the lower gametoducts, without distinct ducts, but separated from gametoducts by a short, tubelike constriction (Fig.
Saclike swelling of sperm tube: absent (a), present (b).
The translucent, quasi-organic, saclike forms that are the subjects of Dean Kessmann's recent color digital prints are curious and inviting, but also a little disturbing.
Sealy has watched a cowbird dive into a Baltimore oriole's saclike nest, only to find the female oriole roosting.
(59) La miracidium with one pair of flame cells (60) La saclike sporocyst stage ("mother sporocyst") in snail
In water, lipid molecules spontaneously assemble themselves into closed, saclike structures, or vesicles, analogous to cells.
These receptors reside in the cell's nucleus, the saclike structure that houses a cell's genetic material.
In this one, the glucose-oxidase enzyme is bonded within the outer membrane of a saclike implant.