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 [soo´ra] (L.)
calf. adj., adj su´ral.


, pl.


(kaf, kavz),
1. A young bovine animal, male or female. Synonym(s): sura
2. The posterior prominence of the leg, caused by the underlying triceps surae muscles (lateral and medial heads of gastrocnemius and soleus).
[Gael. kalpa]


(kaf) sura; the fleshy back part of the leg below the knee.

calf 1

(kăf, käf)
n. pl. calves (kăvz, kävz)
a. A young cow or bull.
b. One of the young of certain other mammals, such as moose, elephants, or whales.

calf 2

(kăf, käf)
n. pl. calves (kăvz, kävz)
The fleshy muscular back part of the human leg between the knee and ankle.


pl. calves
Etymology: ONorse, kalfi
the fleshy mass at the back of the leg below the knee, composed chiefly of the gastrocnemius muscle.


The fleshy part of the posterior lower leg, which is composed primarily of gastrocnemius muscle.
Veterinary medicine
A young cow from birth until it is weaned.

su·ral re·gion

(sūr'ăl rē'jŭn) [TA]
The muscular swelling of the back of the leg below the knee, formed chiefly by the bellies of the gastrocnemius and soleus muscles.
Synonym(s): calf.
Figure 1: The autonomic nervous system. Actions on the heart and on smooth muscle. Sympathetic actions on the left and parasympathetic actions on the right. Solid arrows: stimulation (contraction or secretion); broken arrows: inhibition.


the twin 'bellies' of the gastrocnemius are prominent in the upper half of the calf, e.g. when standing on tip-toe; this and the flatter soleus in front of it (known together as the triceps surae ) form the main bulk of the calf muscles; their tendons join to attach to the calcaneum via the Achilles tendon. Accessory to the gastrocnemius is the plantaris . Deeper muscles include the flexors of the toes, with long tendons passing into the foot. See Figure 1.


large muscle mass at the posterior aspect of the lower leg


1. bovine young less than one year old.
2. young of other species including elephant, larger deer, e.g. red, Japanese sika, wapiti, elk, moose, reindeer, and also pinnipeds and cetaceans.
3. in dogs refers to the region of the hindlimb between the stifle and the hock.

bull calf
male entire bovine under one year of age.
calf crop
the group of calves born to a herd of cows during one breeding season.
calf crop percentage
the percentage of calves born to the cows bred or exposed to breeding bulls.
calf diarrhea
fetal calf
includes unborn and stillborn calves. Can be identified by the presence of atelectasis of the entire lungs, patency of the umbilical vessels which also contain unclotted blood, sodden quality of the skin, high water and nil fat content of the tissues, absence of milk from the gut. Called also slink. See also slink calves.
calf puller
see fetal extractor.
calf starter
artificial feeding of calves includes liquid milk replacer and dry calf starter, the latter being provided from about one week of age. At 3 to 6 weeks the calf is able to exist solely on starter and the milk replacer or milk can be discontinued. Calf starters vary a great deal in composition, quality and price. They need to have a high digestibility coefficient, a high energy content and at least 18% crude protein.
with calf
a pregnant cow.

Patient discussion about calf

Q. I have just developed a pain in my calf - feels like it clicks when I walk, and is a sharp pain I first noticed this problem this morning. As I stepped out of my car, I felt a sharp pain in my left calf, and it has gone worse as the day has gone on. No pain until I walk.

A. as i think of it- fatman's answer seems more logical. but usually people can tell the difference between strained muscle and other stuff. if it was just a pulled muscle he would have thought of it and naturally massage the area. no?

More discussions about calf
References in periodicals archive ?
Commonly used additives in the maintenance cell culture medium are fetal calf serum (FCS), goat serum, horse serum, allontoic fluid, colostral whey, oval albumin, etc.
02 IU/mL FSH, 1 u g/mL estradiol-17b (E2), 50 u g/mL gentamicin and 1) 10% fetal calf serum (FCS), 2) 6 mg/ml FAF-BSA or 3) 6 mg/ml FAF-BSA + 10.
For immunoblot procedures, the particular recombinant antibodies were diluted using DMEM supplemented with 100 mL/L heat-inactivated fetal calf serum and applied to the corresponding AlaBLOTs (F1, hen egg white; F2, bovine milk white; 11, whole bee venom; and F49, apple extract; DPC-Biermann) with native allergens, separated by SDS-PAGE, and immobilized onto nitrocellulose strips in the form of extracts or purified allergens.
For experiments, cells were subcultured into gelatin-coated 12-well plates in DMEM medium supplemented with glutamine (1 mM), penicillin (100 IU/ml), 10% fetal calf serum and 10% human serum until subconfluency and confluency, in separated cultures, was reached.
In 2004, an atypical pestivirus, D32/00_HoBi, distantly related to BVDV-1 and BVDV-2 was isolated from a batch of fetal calf serum collected in Brazil (3).
Aortic hVSMCs (Cambrex Bioscience Srl) cultured in minimum essential medium supplemented with 100 mL/L fetal calf serum, 100 units/L penicillin, 100 [micro]g/L streptomycin, 10 mmol/L glutamine, and vitamins and buffered with 10 mmol/L TES and 10 mmol/L HEPES were incubated for 24 h with sodium azide at a final concentration of 76.
Cells were then centrifuged, resuspended in RPMI 1640 culture medium supplemented with 10% fetal calf serum, 200 U/mL penicillin, 0.
5]) (Kiderlen and Kaye, 1990) in 200 [micro]l RPMI 1640 medium supplemented with 5% heat-inactivated fetal calf serum (herein designated R5) were incubated for 48 h with test compounds (50 [micro]g/ml) or medium alone before further fetal calf serum (10% final concentration) was added.
2 in BHK-21 cell line having Glasgow Minimal Essential Medium (GMEM) without Fetal Calf Serum (FCS).
After incubation for 24 h, monolayers of ECV304 were maintained in M199 medium containing 10% fetal calf serum and observed daily with an inverted microscope.
Different amounts of testosterone and other androgenic compounds were added to charcoal-stripped fetal calf serum, and the corresponding dose-response curves were obtained and compared with that of testosterone (Fig.
Cells were grown in phenol red-free EMEM containing 2 mM glutamine, 1% nonessential amino acids, 100 U/mL antibiotics (mix of penicillin, streptomycin, and fungizone), 1 mM sodium pyruvate, and 10% fetal calf serum (Biowhittaker, Gagny, France).