Semi: From 1 Different Sources
prefix denoting half.
The dilated lower part of the vas deferens of cestodes which opens into cirrus.... seminal vesicle
A malignant tumour of the testis (see TESTICLE) that appears as an often painless swelling. This tumour usually occurs in an older age-group of men than does TERATOMA. The treatment is surgical removal. (See also TESTICLE, DISEASES OF.)... seminoma
Means “seed of (plant name)”; look up the plant name which follows this description of the plant part used.... semilla de
Two crescentic layers of ?bro-cartilage on the outer and inner edges of the knee-joint, which form hollows on the upper surface of the tibia in which the condyles at the lower end of the femur rest. The inner cartilage is especially liable to be displaced by a sudden and violent movement at the KNEE.... semilunar cartilages
A dilated organ in the female genital tract of cestodes which stores sperms.... seminal receptacle
These are a couple of spongy glands, l.5 to 2 inches long, that secrete high-sugar, acidic, and thick, ropy colloid into the ductus deferens (containing sperm from the testes) during ejaculation. The two fluids empty into the prostate, where they are mixed with alkaline prostatic fluids to form semen.... seminal vesicles
(Danish) In mythology, the goddess of the sun, moon, and stars Semyne, Semeene, Semeane, Semeine, Semiene... semine
The long tortuous tubules that form much of the testis (see TESTICLE) and carry the SEMEN to the URETHRA.... seminiferous tubules
(African / Hebrew) One who is fulfilled / from heaven Semirah, Semeera, Semyra, Semeira, Semeyra, Semeara... semira
A structure in the inner ear that plays a role in balance. There are 3 semicircular canals in each ear, at right angles to each other, and connected via a chamber called the vestibule. The fluid-filled canals contain small hairs that detect movement and acceleration, and transmit information to the brain via the vestibular nerve.... semicircular canal
three tubes that form part of the membranous *labyrinth of the ear. They are concerned with balance and each canal registers movement in a different plane. At the base of each canal is a small swelling (an ampulla), which contains a *crista. When the head moves the fluid (endolymph) in the canals presses on the cristae, which register the movement and send nerve impulses to the brain.... semicircular canals
one of a pair of crescent-shaped cartilages in the knee joint situated between the femur and tibia.... semilunar cartilage
either of the two valves in the heart situated at the origin of the aorta (see aortic valve) and the pulmonary artery (see pulmonary valve). Each consists of three flaps (cusps), which maintain the flow of blood in one direction.... semilunar valve
analysis of a specimen of semen, which should be obtained after five days of abstinence from coitus, in order to assess male fertility. Normal values are as follows: volume of ejaculate: 2–6.5 ml; liquefaction complete in 30 minutes; sperm concentration: 20–200 million spermatozoa per ml (sperm count refers to the total number of spermatozoa in the ejaculate); motility: 60% moving progressively at 30 minutes to 3 hours; abnormal forms: less than 20%. Analysis of three separate specimens is necessary before confirming the presence of an abnormal result.... seminal analysis
any of the long convoluted tubules that make up the bulk of the *testis.... seminiferous tubule
a membrane that allows the passage of some molecules but not others. Cell membranes (see cell) are semipermeable. Semipermeable membranes are used clinically in *haemodialysis for patients with kidney failure.... semipermeable membrane
adj. describing the position of a patient lying face downwards, but with one or both knees flexed to one side so that the body is not lying completely flat. Compare prone; supine.... semiprone
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