what are the differences between male and female pelvis?
242273
The female pelvis is larger and broader than the male pelvis, which is taller (owing to a higher iliac crest), narrower, and more compact. The distance between the ischium bones is small in males. ... This results in the female inlet being large and oval in shape, while the male inlet is more heart shaped.
1227970
The following further generalizations have been made regarding male-female skeletal differences: Males in general have denser, stronger bones, tendons, and ligaments. Female skulls and head bones differ in size and shape from the male skull, with the male mandible generally wider, larger, and squarer than the female.
1218408
The body of male cockroach is smaller than the female. The body of female cockroach is relatively larger than the male. The abdomen of male cockroach is slender and the last segment of the abdomen is pointed. The abdomen of female cockroach is boat-shaped and the last segment is blunt.
539206
In male lice, the front two legs are slightly larger than the other four. This specialized pair of legs is used for holding the female during copulation. Males are slightly smaller than females and are characterized by a pointed end of the abdomen and a well-developed genital apparatus visible inside the abdomen.
1182067
The males head shape is usually broader, flatter and larger in shape. The appearance of males is usually much brighter than females. While the white cheek patches in males are more whiter than females which is more whitish grey.
1023388
Biological differences between the sexes are apparent even from the early part of the pregnancy. The crown-rump length is larger in male fetuses compared to females in the first trimester. Placentae of male and female fetuses have different protein and gene expressions, especially in adverse conditions.
35788
The surest way to tell whether a hamster is male or female is by looking at the anogenital distance. This is the distance between the genital openings (penile opening in male hamsters; vaginal and urinary openings in females) and the anus. This distance is much shorter in females than males.
1228884
From a distance, males and females look the same. Only by turning them over can you see the physical difference between males and females. If you see nothing, the squirrel is female. Male squirrel genitalia is similar to male dog or cat genitalia.
1181419
The most simple characteristic to use to differentiate the two is to look at the genitalia of the flies. Males have dark, rounded genitalia at the tip of their abdomen, whereas females have light, pointed genitalia. ... Male Drosophila are generally smaller than their female counterparts, and have a darker abdomen.
1119072
As Figures 1 and 2 show, both male and female chickens have these basic parts. The differences between males and females include the size of the comb and wattles, the size of the spurs (in older birds), and the characteristics of the hackle and cape feathers.
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The differences between males and females include the size of the comb and wattles, the size of the spurs (in older birds), and the characteristics of the hackle and cape feathers. ... In addition, males have sickle feathers in their tails and hackle feathers on their backs, and females do not.
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The most obvious differences between males and females include all the features related to reproductive roles, notably the endocrine (hormonal) systems and their physiological and behavioral effects, including gonadal differentiation, internal and external genital and breast differentiation, and differentiation of ...
435688
Adult female humpback whales are typically 1–1.5 m longer than males. ... There are no easily observable differences between male and female humpbacks. Females possess a grapefruit-sized lobe at the rear of the genital slit; this lobe is absent in males.
469623
Males are slightly smaller than females but there is wide overlap. Females have proportionately longer and broader wings. Males tend to have a more deeply notched tail, which they twist and flex more than the females. It is difficult to tell the sexes apart unless you have two to compare directly.
1050800
Males are longer and thinner in shape, often with some gold coluration. Females are shorter and thicker comparatively. It is more obvious with a little close comparism and heavy feeding. Males will also chase females quite regularly since they spawn daily.
293719
There are two parts of the body most useful for determining sex: the pelvis and the skull. As you might expect, females have wider pelvises, which are necessary for childbirth. But there are six other parts of the pelvis anthropologists look at to determine sex.
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Looking at adult genitalia Mature males have purplish testicles to each side of their tail. ... An adult female has a pink vulva shielding her rabbit vagina, making it easy to differentiate from the purple scrotal sacs of the male.