Explore 10,000+ laboratory markers, in plain English.

D-Lactate is produced by bacteria residing in the colon.

Fahrenheit

The DAO:Histamine ratio helps identify subtle imbalances between histamine levels and DAO enzyme activity. Even if DAO levels are within the normal range, symptoms may still occur if histamine levels are elevated. A low ratio indicates that the amount of DAO is insufficient to manage the histamine present in the body. Treatments aimed at regulating either DAO or histamine levels can help restore balance and improve this ratio.

Elevated antibody levels can be clinically significant

Aid in the diagnosis of gluten-sensitive enteropathies

Aid in the diagnosis of gluten-sensitive enteropathies

Gluten immune reactivity marker

Gluten immune response marker

Gluten immune response (IgG)

The deformity rate in a semen analysis refers to the percentage of sperm with abnormal morphology or shape within a semen sample. The deformity rate is an essential factor in assessing male fertility because sperm with abnormal morphology may have difficulty fertilizing an egg. The World Health Organization (WHO) provides reference values for normal sperm morphology in a semen analysis. According to the WHO criteria, a semen sample is considered normal when at least 4% of sperm exhibit normal morphology. Sperm with abnormal shapes can include those with misshapen heads, tails, or other structural abnormalities. It's important to note that abnormal sperm morphology, while significant, is just one aspect of a comprehensive semen analysis. Other parameters, such as sperm count, motility, and volume, are also evaluated to assess male fertility. A combination of abnormalities in these parameters can provide a more complete picture of a man's fertility potential. If a semen analysis indicates a high deformity rate or abnormalities in other parameters, it may suggest potential fertility issues. However, the interpretation of semen analysis results should be done by a healthcare professional, such as a urologist or reproductive specialist, who can provide guidance and recommend appropriate steps for further evaluation and potential treatment if needed.

a steroid that is produced by both the adrenal cortex and the testis

The normal DHEA concentration alters significantly with age, gender and time of the day. During the day, DHEA values have the highest level in the morning and decrease over the day to the lowest level during night time. This pattern is somewhat similar to Cortisol. For this reason clear indication about the reference values is of utmost importance. Morning Evening Age n 5%-95% percentile Median 5%-95% percentile Median [pg/mL] [pg/mL] [pg/mL] [pg/mL] Females 14-39 39 101 - 687 277 46 - 406 130 40-85 31 68 - 397 241 39 - 198 92 14-85 (total) 70 80 - 641 252 38 - 368 110 Males 16-39 45 117 - 747 363 84 - 457 162 40-76 25 58 - 480 264 48 - 262 107 16-76 (total) 70 65 - 737 327 53 - 440 141 References: Measuring DHEA-S in saliva: time of day differences and positive correlations between two different types of collection methods [L]

DHEA

DHEA