Anatomical eyeball

This eye is part of a series of life-sized anatomical organs. This eye is to-scale and the pattern includes 2 possibilities - one which opens up at the back so you can see inside and one which doesn't.

Difficult:

Medium

You will need:

• A 1mm crochet hook
• A 0.8mm crochet hook
• White #10 crochet cotton
• Embroidery thread in dark pinky-red and a colour for the iris (I used green)
• red sewing cotton
• An embroidery needle
• A glue gun and some glue
• If you wish to make an eye that opens up you will also need red and dark blue embroidery thread
• A pair of scissors
• A clean metal spoon

If you want to find out more about how exactly the eye works, I would recommend watching this crash course video.

For the iris:
With a 1mm hook and 6 strands of embroidery thread ch5
Round 1: sc  in the first st, then make 6sc into the hole in the centre of the ring of chain sts (7sc)
Round 2: make 2sc in each st (14sc)

Fasten off neatly

For the Sclera (the whites of the eye):

Openable:
With a 1mm hook and white #10 crochet cotton ch18

Round 1: sc in the first chain st you made, sc in the following chain st, then make 2sc in the next chain st. (sc in the following 2 chain sts, make 2sc in the next chain st) twice, sc in the last 3 chain sts (23sc)

Round 2: sc, (sc4, make 2sc in the next st) 4 times, sc2 (26sc)

Round 3: sc6, make 2sc in the next st, sc12, make 2sc in the following st, sc6 (28sc)

Rounds 4 - 7: (4 rounds) sc in each st

Row 8: sc6, sc2tog, sc6. ch1, turn (13sc)

Row 9: bfsc2, bfsc2tog, bfsc5, bfsc2tog, bfsc2. ch1, turn (11sc)

Row 10: sc, sc2tog, sc, sc2tog, sc2, sc2tog, sc. ch1, turn (8sc)

Row 11: bfsc2tog, bfsc, bfsc2tog, bfsc, bfsc2tog. ch1, turn (5sc)

Row 12: sc2tog, sc, sc2tog (3sc)

Fasten off

With a 1mm hook and white #10 crochet cotton

Row 1: sc in the 2nd chains st from hook, then in the following chain sts: sc5, sc2tog, sc6. ch1, turn (13sc)

Row 2: bfsc2, bfsc2tog, bfsc5, bfsc2tog, bfsc2 (11sc)

Row 3: sc, sc2tog, sc, sc2tog, sc2, sc2tog, sc (8sc)

Row 4: bfsc2tog, bfsc, bfsc2tog, bfsc, bfsc2tog (5sc)

Row 5: sc2tog, sc, sc2tog(3sc)

Fasten off

You should now have a spherical section with a semi-circle cut out of it, along with a separate semi-circular shaped piece. Place the smaller section into the hole in the larger spherical section so that it lines up, then sew along half of the flat side of the smaller section to join it.

For the non-openable eye:

With a 1mm hook and white #10 crochet cotton ch18

Round 1: sc in the first chain st you made, sc in the following chain st, then make 2sc in the next chain st. (sc in the following 2 chain sts, make 2sc in the next chain st) twice, sc in the last 3 chain sts (23sc)

Round 2: sc, (sc4, make 2sc in the next st) 4 times, sc2 (26sc)

Round 3: sc6, make 2sc in the next st, sc12, make 2sc in the following st, sc6 (28sc)

Rounds 4 - 7: (4 rounds) sc in each st

Round 8: sc12, sc2tog, sc12, sc2tog (26sc)

Round 9: sc4, sc2tog, sc5, sc2tog, sc6, sc2tog, sc5, sc2tog, sc2 (22sc)

Round 10: sc, sc2tog, sc2, sc2tog, sc, sc2tog, sc, sc2tog, sc2, sc2tog, sc, sc2tog (16sc)

Round 11: sc2tog, sc, sc2tog twice, sc, sc2tog twice, sc, sc2tog, sc (10sc)

Round 12: sc2tog 5 times

Fasten off

For the retina:

For the non-openable eye:
You don't have to make this for the non-openable eye as it will be enclosed inside the scelera, but it will match the openable eye better if you're choosing to make one of each.

Using a 0.8mm hook and 3 strands of embroidery thread ch20
Round 1: sc in the first chain st you made, then sc in the next 2sts. Make 2sc in the next chain st. (sc3, make 2sc in the next chain st) 4 times (25sc)
Round 2: (sc4, make 2sc in the next st) 6 times (30sc)
Round 3: (sc5, make 2sc in the next st) 6 times (35sc)
Rounds 4 - 7: (4 rounds) Sc in each st
Round 8: Sc8, sc2tog, sc15, sc2tog, sc7 (33sc)
Round 9: Sc, (sc2tog, sc6) 4 times (29sc)
Round 10: Sc3, sc2tog, (Sc4, sc2tog) 4 times (24sc)
Round 11: (Sc2, sc2tog) 6 times (18sc)
Round 12: (Sc, sc2tog) 6 times (12sc)
Round 13: Sc2tog 6 times (6sc)
Fasten off

For the openable eye:
With a 0.8mm hook and 3 strands of embroidery thread ch20
Round 1: sc in the first chain st you made, then sc in the next 2sts. Make 2sc in the next chain st. (sc3, make 2sc in the next chain st) 4 times (25sc)
Round 2: (sc4, make 2sc in the next st) 6 times (30sc)
Round 3: (sc5, make 2sc in the next st) 6 times (35sc)
Rounds 4 - 7: (4 rounds) Sc in each st
Row 8: Sc8, sc2tog, sc15, sc2tog, sc7. ch1, turn (33sc)
Row 9: Sc, (sc2tog, sc6) twice. ch1, turn (15sc)
Row 10: Bfsc3, bfsc2tog, bfsc4, bfsc2tog, bfsc4. ch1, turn (13sc)
Row 11: (Sc2, sc2tog) 3 times, sc. ch1, turn (10sc)
Row 12: (Bfsc, bfsc2tog) 3 times, sc. ch1, turn (7sc)
Row 13: Sc2tog 3 times, sc (4sc)
Fasten off

Ch17
Row 1: sc2tog between the 2nd chain st from hook and the next chain st, sc in the next 6 chain sts, Sc2tog, sc6. ch1, turn (14sc)
Row 2: Bfsc2tog, bfsc4, bfsc2tog, bfsc4, bfsc2tog. ch1, turn (11sc)
Row 3: Sc, sc2tog, (sc2, sc2tog) twice, ch1, turn (8sc)
Row 4: Bfsc2tog, bfsc, bfsc2tog, bfsc, bfsc2tog. ch1, turn (5sc)
Row 5: Sc2tog, sc3tog (2sc)
Fasten off

Sew these 2 pieces together as you did before, lining up the smaller section inside the larger sphere and sewing along half of the larger edge. Make sure the the edge you sew along is opposite to the one sewn for the scelera (so that they match up when this retina section is turned inside out)

To make up:
For the retina:
If your eye is being made openable, use red and blue embroidery thread to sew veins onto the 'right side' of the crochet. This will later be turned so that the embroidery is on the inside and inserted into the eye.

Place the iris inside the eye. Sew in place around the front opening, and around the back opening for the openeable eye.

For the lens:

Get a clean spoon and use a glue gun to add a blob of glue to the curved surface. This should ideally be around 2cm in diameter. Once it is cool peel it off and insert it into the eye, so that it sits behind the hole in the front of the eye.

Sew the iris over this hole in front of the lens so that the wrong side is facing outwards.

Finally finish off by using red embroidery thread to add blood vessels to the outside of the scelera, as shown below.

That's all from this pattern, I hope you have enjoyed it! You are very welcome to sell finished products but I do ask that you don't re-post this pattern, or claim it or any of the images as your own. If you have any questions about this or any of my other patterns, please don't hesitate to contact me. You can leave a comment below, or message me on my Ravelry page, through the best way to contact me is through my Instagram page, where you can keep updated with all the projects I'm currently working on.

Kidneys

 This pattern is part of a series of crocheted organs I'm working on. The kidneys are both life-sized, and I have included a link at the end of this pattern if you wish to create a bladder so that you have a full urinary system.

 

Difficulty:

Easy

You will need:

• Anchor creativa fino cotton in deep red
• Black 4ply yarn
• A scrap of white embroidery thread
• A 2.5mm crochet hook
• Polyester toy stuffing
• A darning needle for sewing up
• A pair of scissors

The kidneys play a vital role in your body by filtering your blood. To learn more about how this takes place I recommend watching this crash course video.

For the kidneys (make 2 the same):
Ch4
Round 1: sc in the 2nd chain st from hook and the next chain st. Make 3sc in the first chain st you made, then sci n the back loop of the previous chain st you crocheted into. Make 2sc into the back of the first chain st you crocheted into (8sc)
Round 2: make 2sc in the first st, sc, make 2sc in each of the next 3sts, Sc, make 2sc in the last 2sts (14sts)
Round 3: Sc, make 2sc in the next st, sc, (sc, make 2sc in the following st) 3 times, sc, (sc, make 2sc in the next st) twice (20sc)

Round 4: (Sc2, make 2sc in the next st), sc, (sc2, make 2sc in the following st) 3 times, sc, (sc2, make 2sc in the next st) twice (26sc)

Round 5: Sc, make 2sc in the next st, sc7, make 2sc in the following st, sc, make 2sc in the next st, sc, make 2sc in the following st, sc8, make 2sc in the next st, sc, make 2sc in the following st, sc (32sc)

Round 6: Sc in each st
Round 7: Hdc2, make 2hdc in the next st, sc25, make 2hdc in the following st, hdc2, make 2hdc in the last st (35sts)
Round 8: Hdc, make 2hdc in the next st, hdc, sc28, hdc, make 2hdc in the following st, hdc, make 2hdc in the last st (38sts)

Round 9: Sc in each st
Round 10: Hdc, make 2hdc in the next st, hdc, sc29, hdc, make 2hdc in the following st, hdc2, make 2hdc in the next st, hdc (41sts)

Round 11: Sc13, slip10, sc13, hdc5
Round 12: Hdc3, sc31, hdc7
Round 13: Hdc4, sc10, slip10, sc10, hdc7
Round 14: Hdc4, sc30, hdc7
Round 15: Hdc5, sc10, slip10, sc9, hdc7
Round 16: Hdc6, sc27, hdc8
Round 17: Hdc7, sc9, slip10, sc8, hdc7
Round 18: Hdc6, sc31, hdc4
Round 19: Hdc6, sc11, slip10, sc14
Rounds 20 - 21: (2 rounds) Sc in each st
Round 22: Sc18, slip10, sc8, hdc5
Round 23: Hdc8, sc29, hdc4
Round 24: Hdc9, sc9, slip10, sc9, hdc4
Round 25: Hdc8, sc30, hdc3
Round 26: Hdc9, sc10, slip10, sc10, hdc2
Round 27: Hdc10, sc30, hdc1
Round 28: Hdc11, sc9, slip10, sc9, hdc2
Round 29: Hdc10, sc31
Round 30: Hdc10, sc10, slip10, sc10, hdc
Round 31: hdc, hdc2tog, hdc2, hdc2tog, hdc2, hdc2tog, hdc, sc29 (38sts)
Round 32: Sc in each st
Round 33: Hdc2tog, hdc, hdc2tog, hdc, hdc2tog, hdc, sc27, hdc2tog (34sts)
Round 34; Hdc2, hdc2tog, hdc2, hdc2tog, sc26 (32sts)
Round 35: Sc3, sc2tog, sc27 (31sts)
Round 36: Sc, sc2tog, sc, sc2tog, sc7, sc2tog, sc, sc2tog, sc, sc2tog, sc8, sc2tog (25sts)
Round 37: (Sc2, sc2tog) twice, sc, (sc2, sc2tog) 3 times, sc2, sc2tog (19sts)
Round 38: (Sc, sc2tog) twice, sc, (sc, sc2tog) 3 times, sc, sc2tog (13sc)
Stuff
Round 39: Sc2tog twice, sc, sc2tog 5 times
Fasten off

Fun fact:
The blood flow through the kidneys is higher than that through the heart, liver, or brain. In fact, about 25% of the blood pumped out of the heart goes straight to the kidneys,

For the eyes (make 2 for each kidney):

With black yarn make a magic loop with 6sc

Fasten off

Add highlights to the eyes using white thread, then sew them to the face. Add a mouth using black yarn.

Sew these eyes to the front of each kidney, then use the black yarn to embroider facial features such as a mouth and eyebrows.

If you wish to create a full urinary system you will need to use this pattern to create the bladder. You should then sew the end of each ureta to the centre of the side of each kidney, as shown below.

I hope you have enjoyed this pattern! You are very welcome to sell finished products but I do ask that you don't re-post this pattern or claim it (or any of its images) as your own. Thank you!

References:

thefactsite.com

Liver

 This liver is part of a series of life-sized crocheted organs I have been working on. It fits together with a number of other patterns to create a full human digestive system.

Difficulty:

Easy

You will need:

• A 2.5mm crochet hook
• A 2mm crochet hook
• Anchor creativa fino cotton yarn in dark garnet red
• Black 4ply yarn
• White sewing thread
• A regular sewing needle
• A darning needle
• Polyester toy stuffing
• A pair of scissors

The liver is an extremely important organ, producing a fluid known as bile that helps to break down fats, as well as playing a crucial role in the removal of toxins. If you'd like to know more about the liver, I recommend watching this Ted-Ed video.

For the liver:
With the 2.5mm hook and garnet red yarn make a magic loop with 4sc
Round 1: make 2sc in each st (8sc)
Round 2: (sc, make 2sc in the next st) 4 times (12sc)
Round 3: (sc2, make 2sc in the next st) 4 times (16sc)
Round 4: (sc3, make 2sc in the next st) 4 times (20sc)
Round 5: (sc4, make 2sc in the next st) 4 times (24sc)
Round 6: (sc5, make 2sc in the next st) 4 times (28sc)
Round 7: Sc6, make 2sc in the next st, sc6, make 2sc in the following st, sc8, make 2hdc in each of the next 2sts, sc4 (32sts)
Round 8: Sc7, make 2sc in the next st, sc8, make 2sc in the following st, sc9, make 3hdc in the next st, make 2hdc in the following st, sc4 (37sts)
Round 9: Sc27, make 2sc in the next st, make 2hdc in each of the next 2sts, make 2sc in the following st, sc6 (41sts)
Round 10: Sc29, make 2sc in the next st, make 2hdc in each of the next 2sts, make 2sc in the following st, sc8 (45sts)
Round 11: Sc30, make 2sc in the next st, make 2hdc in each of the next 2sts, make 2sc in the following st, sc11 (49sts)
Round 12: Sc33, make 2sc in the next st, make 2hdc in each of the next 2sts, make 2sc in the following st, sc12 (53sts)
Round 13: Slip20, sc14, make 2sc in the next st, make 2hdc in each of the next 2sts, make 2sc in the following st, sc15 (57sts)
Round 14: Sc37, make 2sc in the next st, make 2hdc in each of the next 2sts, make 2sc in the following st, sc16 (61sts)
Round 15: Slip22, sc17, make 2sc in the next st, make 2hdc in each of the next 2sts, make 2sc in the following st, sc18 (65sts)
Round 16: Sc42, make 2sc in the next st, make 2hdc in each of the next 2sts, make 2sc in the following st, sc19 (69sts)
Round 17: Slip24, sc20, make 2sc in the next st, make 2hdc in each of the next 2sts, make 2sc in the following st, sc21 (73sts)
Round 18: Sc46, make 2sc in the next st, make 2hdc in each of the next 2sts, make 2sc in the following st, sc23 (77sts)
Round 19: Slip30, sc18, make 2sc in the next st, make 2hdc in each of the next 2sts, make 2sc in the following st, sc18, slip7 (81sts)
Round 20: Sc50, make 2sc in the next st, make 2hdc in each of the next 2sts, make 2sc in the following st, sc27 (85sts)
Round 21: Slip31, sc22, make 2sc in the next st, make 2hdc in each of the next 2sts, make 2sc in the following st, sc22, slip6 (89sts)
Round 22: Sc55, make 2sc in the next st, make 2hdc in each of the next 2sts, make 2sc in the following st, sc34 (93sts)
Round 23: Slip33, sc24, make 2sc in the next st, make 2hdc in each of the next 2sts, make 2sc in the following st, sc24, slip8 (97sts)
Round 24: Sc59, make 2sc in the next st, make 2hdc in each of the next 2sts, make 2sc in the following st, sc36 (101sts)
Round 25: Slip36, sc25, make 2sc in the next st, make 2hdc in each of the next 2sts, make 2sc in the following st, sc25, slip11 (105sts)
Round 26: Sc63, make 2sc in the next st, make 2hdc in each of the next 2sts, make 2sc in the following st, sc38 (109sts)
Round 27: Slip38, sc29, make 2sc in each of the next 2sts, sc29, slip11 (111sts)
Round 28: Sc68, make 2sc in each of the next 2sts, sc41 (113sts)

Round 29: Slip40, sc29, make 2sc in the next st, sc29, slip13 (114sts)

Rounds 30 - 34: (5 rounds) sc in each st
Round 35: Sc7, sc2tog 4 times, sc4, sc2tog 4 times, sc41, sc2tog, sc5tog, sc2tog, sc38 (100sts)
Round 36: Sc7, sc2tog, sc3tog, sc2, sc3tog, sc2tog, sc39, sc2tog, sc4tog, sc2tog, sc35 (89sts)
Round 37: Sc5, sc2tog, sc3tog, sc, sc3tog, sc2tog, sc2, slip27, sc5, sc2tog, sc4tog, sc2tog, sc5, slip27 (79sts)

Round 38: sc4, sc2tog, sc4tog, sc2tog, sc30, sc2tog, sc4tog, sc2tog, sc29 (69sc)

Round 39:  sc2, sc2tog, sc4tog, sc2tog, slip24, sc2tog, sc, sc4tog, sc, sc2tog, slip25 (59sc)

Round 40:  sc2tog, sc4tog, sc2tog, sc19, sc2tog, sc, sc4tog, sc, sc2tog, sc20, sc2tog (48sc)
Round 41:  (Note that this is slightly less than 1 round) sc4tog, sc2tog, slip15, sc2tog, sc4tog, sc2tog, slip16, sc2tog (38sts)

Round 42: sc4tog, sc2tog, sc10, sc2tog, sc4tog, sc2tog, sc14 (29sts)

Round 43: sc2tog

Fasten off
Stuff firmly

Sew closed the gap in the top of the liver.

Fun fact 1:

Your liver is the only organ in your body that is able to completely re-grow itself, requiring only 25% of the original tissue to be able to do so. This is an evolutionary advantage as the liver carries out so many vital functions.

For the eyes:

With black yarn make a magic loop with 6sc

Fasten off

Add highlights to the eyes using white thread, then sew them to the face. Add a mouth using black yarn.

That's all from this pattern - I hope you have enjoyed it! If you did I have lots of other similar patterns ready to publish in the near future - you can see what I have designed so far and am currently working on by following my Instagram. That's also a good place to contact me if you have any questions about this or any of my other patterns. Alternatively you can get in contact with my via my Ravelry page, or by leaving a comment below.

References:
Mentalfloss.com

Gallbladder

This gallbladder pattern is part of a series of patterns I'm gradually publishing that fit together to form a complete human digestive system. It is approximately life-size.

Difficulty:

Easy - medium

You will need:

• A 2mm crochet hook
• Anchor creativa fino cotton
• black 4ply yarn
• White sewing cotton
• Polyester toy stuffing
• A regular sewing needle
• A darning needle
• A pair of scissors

The gallbladder is important for storing and concentrating bile, an important substance that helps our bodies break down fat. If you want to find out more about this organ I recommend watching this Kunhub video.

For the gall bladder:

Make a magic loop with 6sc
Round 1: make 2sc in each st (12sc)
Round 2: (sc, make 2sc in the next st) 6 times (18sc)
Round 3: (sc2, make 2sc in the next st) 6 times (24sc)
Round 4: (sc3, make 2sc in the next st) 6 times (30sc)
Rounds 5 - 9: (5 rounds) sc in each st
Round 10: (sc8, sc2tog) 3 times (27sc)
Round 11: Sc4, sc2tog, sc7, sc2tog, sc7, sc2tog, sc3 (24sc)
Round 12: Sc in each st
Round 13: (sc6, sc2tog) 3 times (21sc)
Rounds 14 - 17: (4 rounds) sc in each st
Round 18: (sc5, sc2tog) 3 times (18sc)
Round 19: Sc in each st
Round 20: Sc, sc2tog, sc4, sc2tog sc4, sc2tog, sc3 (15sc)
Round 21: Sc in each st
Round 22: (sc3, sc2tog) 3 times (12sc)
Round 23: Sc in each st
Round 24: Sc, sc2tog, sc2, sc2tog, sc2, sc2tog, sc (9sc)
Round 25: (sc, sc2tog) 3 times (6sc)
Round 26: (sc, sc2tog) twice (4sc)
Rounds 27 - 34: (8 rounds) sc in each st
Fasten off neatly

Fun fact:
Humans can live perfectly healthy lives without a gallbladder. Its function is thought to have originated from when humans lived as hunter-gatherers and had to cope with fewer, larger meals. The bile released from the gallbladder helped to break down large amounts of fat in a short period of time.

For the hepatic duct:

Part 1:
Ch4
Round 1: sc in the first chain st you made, then sc in the next 3 chain sts to make a loop (4sc)
Round 2: Sc in each st
Fasten off neatly

Part 2:
Ch4
Round 1: sc in the first chain st you made, then sc in the next 3 chain sts to make a loop (4sc)
Round 2: Sc in each st
Round 3: Sc in 3sts of part 1 of the hepatic duct, then skip1 on part 2 and sc in the next 3sts (6sc)
Round 4: Sc, sc2tog, sc, sc2tog (4sc)
Rounds 5 - 17: (13 rounds) sc in each st
Round 18: Sc in 3sts of the main section of the gallbladder, then skip1 on part 2 of the hepatic duct and sc in the next 3sts (6sc)
Round 19: Sc, sc2tog, sc, sc2tog (4sc)
Rounds 20 - 35: (16 rounds) Sc in each st

Fasten off neatly

Fun fact:

In 2012 A report from the Canadian Journal of Surgery recommended that astronauts have their gallbladder removed, even if this organ was seemingly healthy. This is to eliminate the risk of gall stones and cholecystitis (inflammation of the gall bladder) when they are far from Earth.

For the eyes:

With black 4ply yarn and a 2mm hook make a magic loop with 6sc

Fasten off

Use white thread to embroider highlights onto each eye then sew them to the face. Use black yarn to embroider eyebrows and a mouth. You can also add other facial features if you wish.

That's all from this pattern, I hope you have enjoyed it! You are very welcome to sell finished products but I do ask that you don't re-post this pattern, or claim it or any of the images as your own. If you have any questions about this or any of my other patterns, please don't hesitate to contact me. You can leave a comment below, or message me on my Ravelry page, through the best way to contact me is through my Instagram page, where you can keep updated with all the projects I'm currently working on.

References:

Mentalfloss.com