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A Dictionary of Dentistry

Reference type:
Subject Reference
Current Version:
2010
Subject:
Medicine and health, Dentistry
Length:
15 words

Prefix denoting absence of, lacking, without; e.g. atoxic (not poisonous), abacterial (without bacteria).

A & E medicine

A & E medicine n.   Quick reference

A Dictionary of Nursing (7 ed.)

Reference type:
Subject Reference
Current Version:
2017
Subject:
Medicine and health
Length:
26 words

accident and emergency medicine: an important specialty dealing with the immediate problems of the acutely ill and injured. See also...

a-

a-   Quick reference

A Dictionary of Nursing (7 ed.)

Reference type:
Subject Reference
Current Version:
2017
Subject:
Medicine and health
Length:
10 words

prefix denoting absence of; lacking; not.

a-

a-   Quick reference

Concise Medical Dictionary (9 ed.)

Reference type:
Subject Reference
Current Version:
2015
Subject:
Medicine and health
Length:
22 words

prefix denoting absence of; lacking; not. Examples: amastia (absence of breasts); amorphic (lacking definite form); atoxic (not poisonous).

A-band

A-band   Quick reference

The Oxford Dictionary of Sports Science & Medicine (3 ed.)

Reference type:
Subject Reference
Current Version:
2007

Part of a muscle sarcomere that comprises several thick myosin filaments held between thinner actin filaments. It appears as a dark band when viewed under a microscope. ...

A-DNA

A-DNA   Quick reference

A Dictionary of Biomedicine (2 ed.)

Reference type:
Subject Reference
Current Version:
2019

One of the double helical structures that can be adopted by DNA, a right-handed double helix fairly similar to *...

A-DNA

A-DNA   Quick reference

A Dictionary of Biomedicine

Reference type:
Subject Reference
Current Version:
2010
Subject:
Medicine and health
Length:
44 words

One of the double helical structures that can be adopted by DNA, a right-handed double helix fairly similar to *...

A-O

A-O   Quick reference

Concise Medical Dictionary (9 ed.)

Reference type:
Subject Reference
Current Version:
2015
Subject:
Medicine and health
Length:
15 words

Association for Osteosynthesis: denoting a widely used system for treating fractures by metal inserts.

A-scan

A-scan n.   Quick reference

Concise Medical Dictionary (9 ed.)

Reference type:
Subject Reference
Current Version:
2015
Subject:
Medicine and health
Length:
26 words

examination of ocular tissue, including measurement of the length of the eye (axial length), by means of a high-frequency ultrasound machine. ...

A-state

A-state   Quick reference

The Oxford Dictionary of Sports Science & Medicine (3 ed.)

Reference type:
Subject Reference
Current Version:
2007

A temporary state of anxiety evoked by a particular situation (see state anxiety).

A-trait

A-trait   Quick reference

The Oxford Dictionary of Sports Science & Medicine (3 ed.)

Reference type:
Subject Reference
Current Version:
2007

An enduring personality factor indicating an individual's predisposition to experience anxiety under stress.

A-type channels

A-type channels   Quick reference

A Dictionary of Biomedicine (2 ed.)

Reference type:
Subject Reference
Current Version:
2019
Rapidly inactivating voltage-gated potassium channels (KCNA4), of the *shaker-related subfamily. They are activated by depolarization but only after a preceding hyperpolarization and are ... More
A-type channels

A-type channels   Quick reference

A Dictionary of Biomedicine

Reference type:
Subject Reference
Current Version:
2010
Subject:
Medicine and health
Length:
36 words
Rapidly inactivating voltage-gated potassium channels (KCNA4), of the *shaker-related subfamily. They are activated by depolarization but only after a preceding hyperpolarization and are ... More
a.c.

a.c.   Quick reference

A Dictionary of Nursing (7 ed.)

Reference type:
Subject Reference
Current Version:
2017
Subject:
Medicine and health
Length:
14 words

Latin: before food, used as a direction in prescriptions.

A20

A20   Quick reference

A Dictionary of Biomedicine (2 ed.)

Reference type:
Subject Reference
Current Version:
2019

A cytoplasmic zinc finger protein (790 aa) that inhibits *NFκB activity and TNF-mediated programmed cell death. The expression of the A20 mRNA is upregulated by TNF...

A20

A20   Quick reference

A Dictionary of Biomedicine

Reference type:
Subject Reference
Current Version:
2010
Subject:
Medicine and health
Length:
61 words
A cytoplasmic zinc finger protein (790 aa) that inhibits *NFκB activity and TNF-mediated programmed cell death. The expression of the A20 mRNA is upregulated by TNFα. It is a dual function ... More
A431

A431   Quick reference

A Dictionary of Biomedicine (2 ed.)

Reference type:
Subject Reference
Current Version:
2019

A human cell line established from an epidermoid carcinoma, often used in studies on *EGF.

A431

A431   Quick reference

A Dictionary of Biomedicine

Reference type:
Subject Reference
Current Version:
2010
Subject:
Medicine and health
Length:
17 words

A human cell line established from an epidermoid carcinoma, often used in studies on *EGF.

AAA family

AAA family   Quick reference

A Dictionary of Biomedicine (2 ed.)

Reference type:
Subject Reference
Current Version:
2019
A diverse superfamily (ATPases associated with various cellular activities) that have a characteristic AAA-domain. There are at least 300 known members in at least six families. Mutations ... More
AAA family

AAA family   Quick reference

A Dictionary of Biomedicine

Reference type:
Subject Reference
Current Version:
2010
Subject:
Medicine and health
Length:
78 words
A diverse superfamily (ATPases associated with various cellular activities) that have a characteristic AAA-domain. There are at least 300 known members in at least six families. Mutations ... More

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