bulla

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bulla

 [bul´ah] (pl. bul´lae) (L.)
1. a circumscribed, fluid-containing, elevated lesion of the skin, usually more than 5 mm in diameter. Called also blister and bleb.
2. an anatomical structure with a blisterlike appearance. adj., adj bul´late, bul´lous.

bul·la

, gen. and pl.

bul·lae

(bul'ă, -ē),
1. A fluid-filled blister greater than 1 cm in diameter appearing as a circumscribed area of separation of the epidermis from the subepidermal structure (subepidermal bulla) or as a circumscribed area of separation of epidermal cells (intraepidermal bulla) caused by the presence of serum, or occasionally by an injected substance.
2. A bubblelike structure.
[L. bubble]

bulla

/bul·la/ (bul´ah) pl. bul´lae   [L.]
1. a blister; a circumscribed, fluid-containing, elevated lesion of the skin, usually more than 5 mm in diameter.
2. a rounded, projecting anatomical structure.bul´latebul´lous

bulla

(bo͝ol′ə)
n. pl. bullae (bo͝ol′ē)
Medicine A large blister or vesicle.

bul′lous adj.

bulla

[boo͡l′ə, bul′ə] pl. bullae
Etymology: L, bubble
a thin-walled blister of the skin or mucous membranes greater than 1 cm in diameter containing clear, serous fluid. Compare vesical. bullous, adj.
enlarge picture
Bulla

bulla

Anatomy
A rounded thin-walled bony prominence.
 
Comparative anatomy
A ovoid prominence below the opening of the ear in the skulls of some mammals, as in the tympanic or auditory bulla.

Dermatology
A large bleb or vesicle filled with serous fluid which may correspond to a separation of the epidermal-dermal junction.
 
Pulmonology
A bleb, see there.

bulla

plural, bullae Anatomy A rounded thin-walled bony prominence Dermatology A large bleb or vesicle filled with serous fluid which may correspond to a separation of the epidermal-dermal junction. See Pemphigus Pulmonology See Emplysema.

bul·la

, pl. bullae (bul'ă, -ē)
1. A large blister appearing as a circumscribed area of separation of the epidermis from subepidermal structures or as a circumscribed area of separation of epidermal cells caused by the presence of serum, or an injected substance.
2. A bubblelike structure.
[L. bubble]

bulla

(bul'a) plural.bullae [L. bulla, bubble, knob]
Enlarge picture
BULLAE OF IMPETIGO
1. A large blister or skin vesicle filled with fluid See: illustration; pompholyx
2. A bleb.

bulla ethmoidalis

A rounded, thin-walled, bony projection into the middle meatus of the nose underneath the middle turbinate bone, formed by an anterior ethmoid sinus.

bulla ossea

The dilated portion of the bony external meatus of the ear.
illustration

bulla

A large blister or vesicle. A thin-walled abnormal cavity filled with liquid or a gas.

bulla

a bony projection.

bulla

large vesicle; blister

bulla 

A fluid-filled blister appearing on the surface of the cornea when it is severely oedematous (increased thickness of more than 25%). It gives rise to a reduction of visual acuity and pain on rupturing. Example: bullous keratopathy. Plural: bullae. See bullous keratopathy.

bul·la

, pl. bullae (bul'ă, -ē)
A fluid-filled dermatologic blister greater than 1 cm in diameter.
[L. bubble]

bulla (bŏŏl´ə),

n a circumscribed, elevated lesion of the skin containing fluid and measuring more than 5 mm in diameter.

bulla

pl. bullae [L.] a blister; a circumscribed, fluid-containing, elevated lesion of the skin, usually more than 5 mm in diameter.

emphysematous bulla
spherical air-filled cavities in the interlobular spaces and under the pleura, often in large numbers, as part of a general state of pulmonary emphysema.
lacrimal bulla
a large extension of the thin bony wall of the maxillary sinus in the ox, which bulges into the ventral part of the orbit. There is a small lacrimal bulla also in the pig.
osseous bulla
see tympanic bulla (below).
tympanic bulla
a thin-walled bony capsule which houses an extension of the cavity of the middle ear, the tympanic cavity.

Patient discussion about bulla

Q. What's the best treatment for a blister?

A. use a clean needle and poke a small hole right at the base, between normal skin and the blister. Push the blister down, allow it to drain completely and put a bandaid over it; don't ever rip off blister skin allow it to fall off or reattach naturally.

Q. What are the causes of viral blisters on the skin? For a few months now I've been having these hard viral blisters on my fingers. The only way to get rid of them is with freezed carbon. It does go away with that treatment- after a few weeks but then a new one appears. How can I prevent it from "attacking" again??

A. These viral blisters you are describing are caused by HPV (papilloma virus), and are very hard to get rid of without treatment with freezed carbon. Many of us have the virus but not everyone gets the actual infection. There is not a proved way of preventing from it to happen again after treatment, unfortunately..

More discussions about bulla
References in periodicals archive ?
To find out more about Matt Bullas, please visit his website at http://www.
Grant Russell (left) and Steve Bullas (right), of Camira Group Ltd
Matt Bullas added: "We're not saying this is the death of TV, but we envisage seeing more multimedia opportunities being developed in partnership with TV to encourage cyber conversation, especially when you consider that 40 per cent of the younger audience are on social media at the same time as watching TV.
The Chima brothers will stay with the enlarged business along with Steven Bullas and finance director Jonathan Fellows.
Provision of cleaning of municipal facilities and schools in the locality whose maintenance for the City of Bullas.
Mr Bullas, who was divorced and had no children, was found dead on the shop floor of family plastics firm BG Bullas Ltd, of which he was managing director, in Fletcher Street, Lye, near Stourbridge, on April 10.
Mr Bullas said: "We understand that many businesses feel that an audit is an imposition and although we support any concept that can save money, we are urging businesses to consider their decision very carefully before dispensing with an audit which ultimately helps to improve both performance and profitability.
Birmingham Post competition winner Faye Bullas and her family were treated to an exclusive dinner party courtesy of Conran restaurants.
Above, Clifton's James Skitmore heads a corner towards goal and, left, HAFC's Daniel Waddington (blue) tries an unorthodox tackle to dispossess Skitmore * GOALS AVALANCHE: Honley scored a 19-0 victory in the Under 15 Cup and are pictured (back, from left) Nigel Bullas (manager), Felix Beaumont, Sam Jackson, Ben Bullas, Jonty Winn, Ewan Casey, Mikey Gee, Jasper Donlon.
He asked Walsall Police commander Kevin Bullas to sanction money from the Police Property Fund to raise the pounds 800 needed for the Apple Mac monitor.
At Cleckheaton-based Clough & Co, she will work with managing partner Nigel Bullas to further develop the depar tment.